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Ryzen 9 3950X
CoreFreq version 1.92
@cyring
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cyring commented Mar 17, 2021

Processor

Frequencies

3950X-Frequency

IPC

3950X-IPC

TSC

3950X-TSC

Idle states

3950X-VPMC

Vcore, Power & Thermal

3950X-Sensors

Memory Controller

make ARCH_PMC=UMC

2022-10-17-115034_644x704_scrot

Optimized timings

2023-01-09-195333_644x550_scrot

Overclocking

Max Frequency P-State

3950X-OC

Power Limit

PL1 @ 142W

2021-10-18-025314_1076x550_scrot

PL1 @ 148W

2021-10-18-025615_1076x550_scrot

Features

Technologies

3950X-Tech

Capabilities

3950X-Features

ISA

3950X-ISA

@cyring
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cyring commented Oct 18, 2021

Processor Information

Processor                                  [AMD Ryzen 9 3950X 16-Core Processor]
|- Architecture                                                   [Zen2/Matisse]
|- Vendor ID                                                      [AuthenticAMD]
|- Firmware                                                         [ 46.72.0-2]
|- Microcode                                                        [0x08701021]
|- Signature                                                           [  8F_71]
|- Stepping                                                            [      0]
|- Online CPU                                                          [ 32/ 32]
|- Base Clock                                                          [ 99.981]
|- Frequency            (MHz)                      Ratio                        
                 Min   2199.57                    <  22 >                       
                 Max   3499.32                    <  35 >                       
|- Factory                                                             [100.000]
                       3500                       [  35 ]                       
|- Performance                                                                  
   |- P-State                                                                   
                 TGT   3499.32                    <  35 >                       
   |- CPPC                                                                      
                 Min    499.90                    <   5 >                       
                 Max   4699.09                    <  47 >                       
                 TGT   4699.09                    <  47 >                       
|- Turbo Boost                                                         [ UNLOCK]
                 XFR   4799.07                    [  48 ]                       
                 CPB   4699.09                    [  47 ]                       
                  1C   2799.46                    <  28 >                       
                  2C   2199.57                    <  22 >                       
|- Uncore                                                              [   LOCK]
                 CLK   1799.65                    [  18 ]                       
                 MEM   5498.94                    [  55 ]                       
                                                                                
Instruction Set Extensions                                                      
|- 3DNow!/Ext [N/N]          ADX [Y]          AES [Y]  AVX/AVX2 [Y/Y] 
|- AVX512-F     [N]    AVX512-DQ [N]  AVX512-IFMA [N]   AVX512-PF [N] 
|- AVX512-ER    [N]    AVX512-CD [N]    AVX512-BW [N]   AVX512-VL [N] 
|- AVX512-VBMI  [N] AVX512-VBMI2 [N]  AVX512-VNNI [N]  AVX512-ALG [N] 
|- AVX512-VPOP  [N] AVX512-VNNIW [N] AVX512-FMAPS [N] AVX512-VP2I [N] 
|- AVX512-BF16  [N] AVX-VNNI-VEX [N]    AVX-FP128 [N]   AVX-FP256 [Y] 
|- BMI1/BMI2  [Y/Y]         CLWB [Y]      CLFLUSH [Y] CLFLUSH-OPT [Y] 
|- CLAC-STAC    [Y]         CMOV [Y]    CMPXCHG8B [Y]  CMPXCHG16B [Y] 
|- F16C         [Y]          FPU [Y]         FXSR [Y]   LAHF-SAHF [Y] 
|- MMX/Ext    [Y/Y] MON/MWAITX [Y/Y]        MOVBE [Y]   PCLMULQDQ [Y] 
|- POPCNT       [Y]       RDRAND [Y]       RDSEED [Y]      RDTSCP [Y] 
|- SEP          [Y]          SHA [Y]          SSE [Y]        SSE2 [Y] 
|- SSE3         [Y]        SSSE3 [Y]  SSE4.1/4A [Y/Y]      SSE4.2 [Y] 
|- SERIALIZE    [N]      SYSCALL [Y]        RDPID [Y]        UMIP [Y] 
|- VAES         [N]   VPCLMULQDQ [N]   PREFETCH/W [Y]       LZCNT [Y] 
                                                                                
Features                                                                        
|- 1 GB Pages Support                                      1GB-PAGES   [Capable]
|- 100 MHz multiplier Control                            100MHzSteps   [Missing]
|- Advanced Configuration & Power Interface                     ACPI   [Capable]
|- Advanced Programmable Interrupt Controller                   APIC   [Capable]
|- Advanced Virtual Interrupt Controller                        AVIC   [Capable]
|- APIC Timer Invariance                                        ARAT   [Capable]
|- Clear Zero Instruction                                     CLZERO   [Capable]
|- Core Multi-Processing                                  CMP Legacy   [Capable]
|- L1 Data Cache Context ID                                  CNXT-ID   [Missing]
|- Collaborative Processor Performance Control                  CPPC   [Capable]
|- Direct Cache Access                                           DCA   [Missing]
|- Debugging Extension                                            DE   [Capable]
|- Debug Store & Precise Event Based Sampling               DS, PEBS   [Missing]
|- CPL Qualified Debug Store                                  DS-CPL   [Missing]
|- 64-Bit Debug Store                                         DTES64   [Missing]
|- Fast Short REP MOVSB                                         FSRM   [Missing]
|- Fast-String Operation                                        ERMS   [Missing]
|- Fused Multiply Add                                     FMA | FMA4   [Capable]
|- Hardware Lock Elision                                         HLE   [Missing]
|- Hardware P-state control                                      HwP   [Capable]
|- Instruction Based Sampling                                    IBS   [Capable]
|- Instruction INVLPGB                                       INVLPGB   [Missing]
|- Instruction INVPCID                                       INVPCID   [Missing]
|- Long Mode 64 bits                                       IA64 | LM   [Capable]
|- LightWeight Profiling                                         LWP   [Missing]
|- Memory Bandwidth Enforcement                                  MBE   [Capable]
|- Machine-Check Architecture                                    MCA   [Capable]
|- Instruction MCOMMIT                                       MCOMMIT   [Missing]
|- Memory Protection Extensions                                  MPX   [Missing]
|- Model Specific Registers                                      MSR   [Capable]
|- Memory Type Range Registers                                  MTRR   [Capable]
|- No-Execute Page Protection                                     NX   [Capable]
|- OS-Enabled Ext. State Management                          OSXSAVE   [Capable]
|- Physical Address Extension                                    PAE   [Capable]
|- Page Attribute Table                                          PAT   [Capable]
|- Pending Break Enable                                          PBE   [Missing]
|- Process Context Identifiers                                  PCID   [Missing]
|- Perfmon and Debug Capability                                 PDCM   [Missing]
|- Page Global Enable                                            PGE   [Capable]
|- Page Size Extension                                           PSE   [Capable]
|- 36-bit Page Size Extension                                  PSE36   [Capable]
|- Processor Serial Number                                       PSN   [Missing]
|- Resource Director Technology/PQE                            RDT-A   [Capable]
|- Resource Director Technology/PQM                            RDT-M   [Capable]
|- Read Processor Register at User level                       RDPRU   [Capable]
|- Restricted Transactional Memory                               RTM   [Missing]
|- Safer Mode Extensions                                         SMX   [Missing]
|- Self-Snoop                                                     SS   [Missing]
|- Supervisor-Mode Access Prevention                            SMAP   [Capable]
|- Supervisor-Mode Execution Prevention                         SMEP   [Capable]
|- Time Stamp Counter                                            TSC [Invariant]
|- Time Stamp Counter Deadline                          TSC-DEADLINE   [Missing]
|- TSX Force Abort MSR Register                            TSX-ABORT   [Missing]
|- TSX Suspend Load Address Tracking                       TSX-LDTRK   [Missing]
|- User-Mode Instruction Prevention                             UMIP   [Capable]
|- Virtual Mode Extension                                        VME   [Capable]
|- Virtual Machine Extensions                                    VMX   [Missing]
|- Write Back & Do Not Invalidate Cache                     WBNOINVD   [Capable]
|- Extended xAPIC Support                                     x2APIC   [  xAPIC]
|- AVIC controller for x2APIC                                 x2AVIC   [Missing]
|- XSAVE/XSTOR States                                          XSAVE   [Capable]
|- xTPR Update Control                                          xTPR   [Missing]
Mitigation mechanisms                                                           
|- Indirect Branch Restricted Speculation                       IBRS   [ Unable]
   |- IBRS Always-On preferred by processor                            [ Unable]
   |- IBRS preferred over software solution                            [Capable]
   |- IBRS provides same speculation limits                            [Capable]
|- Indirect Branch Prediction Barrier                           IBPB   [Capable]
|- Single Thread Indirect Branch Predictor                     STIBP   [Capable]
|- Speculative Store Bypass Disable                             SSBD   [Capable]
   |- SSBD use VIRT_SPEC_CTRL register                                 [ Unable]
   |- SSBD not needed on this processor                                [ Unable]
|- No Branch Type Confusion                                   BTC_NO   [ Unable]
|- BTC on Non-Branch instruction                            BTC-NOBR   [ Enable]
|- Arch - No Fast Predictive Store Forwarding                   PSFD   [ Unable]
Security Features                                                               
|- Secure Init and Jump with Attestation                      SKINIT   [Capable]
|- Secure Encrypted Virtualization                               SEV   [Capable]
|- SEV - Encrypted State                                      SEV-ES   [Capable]
|- SEV - Secure Nested Paging                                SEV-SNP   [Missing]
|- Guest Mode Execute Trap                                      GMET   [Capable]
|- Supervisor Shadow Stack                                       SSS   [Missing]
|- VM Permission Levels                                         VMPL   [Missing]
|- VMPL Supervisor Shadow Stack                             VMPL-SSS   [Missing]
|- Secure Memory Encryption                                      SME   [Capable]
|- Transparent SME                                              TSME   [Disable]
|- Secure Multi-Key Memory Encryption                         SME-MK   [Missing]
|- DRAM Data Scrambling                                    Scrambler   [ Enable]
                                                                                
Technologies                                                                    
|- Instruction Cache Unit                                                       
   |- L1 IP Prefetcher                                          L1 HW IP   < ON>
|- Data Cache Unit                                                              
   |- L1 Prefetcher                                                L1 HW   < ON>
   |- L2 Prefetcher                                                L2 HW   < ON>
|- System Management Mode                                       SMM-Lock   [ ON]
|- Simultaneous Multithreading                                       SMT   [ ON]
|- PowerNow!                                                         CnQ   [ ON]
|- Core C-States                                                     CCx   [ ON]
|- Core Performance Boost                                            CPB   < ON>
|- Watchdog Timer                                                    WDT   < ON>
|- Virtualization                                                    SVM   [ ON]
   |- I/O MMU                                                      AMD-V   [ ON]
   |- Version                                                     [         0.1]
   |- Hypervisor                                                           [OFF]
   |- Vendor ID                                                   [         N/A]
                                                                                
Performance Monitoring                                                          
|- Version                                                        PM       [  1]
|- Counters:          General                   Fixed                           
|           {  6,  6,  4 } x 48 bits            3 x 64 bits                     
|- Enhanced Halt State                                           C1E       <OFF>
|- C2 UnDemotion                                                 C2U       <OFF>
|- C3 UnDemotion                                                 C3U       < ON>
|- Core C6 State                                                 CC6       < ON>
|- Package C6 State                                              PC6       < ON>
|- Legacy Frequency ID control                                   FID       [OFF]
|- Legacy Voltage ID control                                     VID       [OFF]
|- P-State Hardware Coordination Feedback                MPERF/APERF       [ ON]
|- Core C-States                                                                
   |- C-States Base Address                                      BAR   [ 0x413 ]
|- ACPI Processor C-States                                      _CST   [      2]
|- MONITOR/MWAIT                                                                
   |- State index:    #0    #1    #2    #3    #4    #5    #6    #7              
   |- Sub C-State:     1     1     0     0     0     0     0     0              
|- Core Cycles                                                         [Capable]
|- Instructions Retired                                                [Capable]
|- Reference Cycles                                                    [Capable]
|- Last Level Cache References                                         [Capable]
|- Global Time Stamp Counter                                           [Missing]
|- Data Fabric Performance Counter                                     [Capable]
|- Core Performance Counter                                            [Capable]
|- Processor Performance Control                                _PCT   [ Enable]
|- Performance Supported States                                 _PSS   [      3]
|- Performance Present Capabilities                             _PPC   [      0]
|- Continuous Performance Control                               _CPC   [ Enable]
                                                                                
Power, Current & Thermal                                                        
|- Temperature Offset:Junction                                 TjMax [ 49: 95 C]
|- CPPC Energy Preference                                        EPP   [Missing]
|- Digital Thermal Sensor                                        DTS   [Capable]
|- Power Limit Notification                                      PLN   [Missing]
|- Package Thermal Management                                    PTM   [Missing]
|- Thermal Monitor 1                                             TTP   [ Enable]
|- Thermal Monitor 2                                             HTC   [ Enable]
|- Thermal Design Power                                          TDP   [  105 W]
   |- Minimum Power                                              Min   [  105 W]
   |- Maximum Power                                              Max   [  105 W]
|- Thermal Design Power                                      Package   < Enable>
   |- Power Limit                                                PL1   <  142 W>
   |- Time Window                                                TW1   <   0 ns>
   |- Power Limit                                                PL2   <  395 W>
   |- Time Window                                                TW2   <   0 ns>
|- Thermal Design Power                                         Core   [Disable]
   |- Power Limit                                                PL1   [    0 W]
   |- Time Window                                                TW1   [   0 ns]
|- Thermal Design Power                                       Uncore   [Disable]
   |- Power Limit                                                PL1   [    0 W]
   |- Time Window                                                TW1   [   0 ns]
|- Thermal Design Power                                         DRAM   [Disable]
   |- Power Limit                                                PL1   [    0 W]
   |- Time Window                                                TW1   [   0 ns]
|- Thermal Design Power                                     Platform   [Disable]
   |- Power Limit                                                PL1   [    0 W]
   |- Time Window                                                TW1   [   0 ns]
   |- Power Limit                                                PL2   [    0 W]
   |- Time Window                                                TW2   [   0 ns]
|- Package Power Tracking                                        PPT   [  142 W]
|- Electrical Design Current                                     EDC   [  140 A]
|- Thermal Design Current                                        TDC   [   95 A]
|- Core Thermal Point                                                           
|- Package Thermal Point                                                        
   |- Thermal Monitor Trip                                     Limit   [  115 C]
   |- HTC Temperature Limit                                    Limit   [  127 C]
   |- HTC Temperature Hysteresis                           Threshold   [    2 C]
|- Units                                                                        
   |- Power                                               watt   [  0.125000000]
   |- Energy                                             joule   [  0.000015259]
   |- Window                                            second   [  0.000976562]

CPPC

|- Collaborative Processor Performance Control                  CPPC       <FMW>
   |- Capabilities     Lowest      Efficient     Guaranteed        Highest      
   |- CPU #0     500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4700.00 ( 47)      
   |- CPU #1     500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4700.00 ( 47)      
   |- CPU #2     500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4600.00 ( 46)      
   |- CPU #3     500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4500.00 ( 45)      
   |- CPU #4     500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4200.00 ( 42)      
   |- CPU #5     500.00 (  5)  3499.99 ( 35)  2399.99 ( 24)  4399.99 ( 44)      
   |- CPU #6     500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4100.00 ( 41)      
   |- CPU #7     500.00 (  5)  3499.99 ( 35)  2399.99 ( 24)  4299.99 ( 43)      
   |- CPU #8     500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3800.00 ( 38)      
   |- CPU #9     500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4000.00 ( 40)      
   |- CPU #10    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3700.00 ( 37)      
   |- CPU #11    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3900.00 ( 39)      
   |- CPU #12    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3400.00 ( 34)      
   |- CPU #13    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3600.00 ( 36)      
   |- CPU #14    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3300.00 ( 33)      
   |- CPU #15    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3500.00 ( 35)      
   |- CPU #16    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4700.00 ( 47)      
   |- CPU #17    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4700.00 ( 47)      
   |- CPU #18    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4600.00 ( 46)      
   |- CPU #19    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4500.00 ( 45)      
   |- CPU #20    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4200.00 ( 42)      
   |- CPU #21    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4400.00 ( 44)      
   |- CPU #22    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4100.00 ( 41)      
   |- CPU #23    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4300.00 ( 43)      
   |- CPU #24    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3800.00 ( 38)      
   |- CPU #25    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  4000.00 ( 40)      
   |- CPU #26    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3700.00 ( 37)      
   |- CPU #27    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3900.00 ( 39)      
   |- CPU #28    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3400.00 ( 34)      
   |- CPU #29    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3600.00 ( 36)      
   |- CPU #30    500.00 (  5)  3499.97 ( 35)  2399.98 ( 24)  3299.97 ( 33)      
   |- CPU #31    500.00 (  5)  3500.00 ( 35)  2400.00 ( 24)  3500.00 ( 35)      

System Information

ROG Crosshair VIII (WiFi)

BIOS 4201

[ 0] American Megatrends Inc.                                                   
[ 1] 4201                                                                       
[ 2] 04/26/2022                                                                 
[ 3] ASUS                                                                       
[ 4] System Product Name                                                        
[ 5] System Version                                                             
[ 6] S---e---e---l---m---                                                       
[ 7] SKU                                                                        
[ 8] To be filled by O.E.M.                                                     
[ 9] ASUSTeK COMPUTER INC.                                                      
[10] ROG CROSSHAIR VIII HERO (WI-FI)                                            
[11] Rev X.0x                                                                   
[12] 2---6---3---0--                                                            
[13] Number Of Devices:4\Maximum Capacity:134217728 kilobytes                   
[14]                                                                            
[15] DIMM_A2\BANK 1                                                             
[16]                                                                            
[17] DIMM_B2\BANK 3                                                             
[18]                                                                            
[19] G Skill Intl                                                               
[20]                                                                            
[21] G Skill Intl                                                               
[22]                                                                            
[23] F4-3600C16-16GTZN                                                          
[24]                                                                            
[25] F4-3600C16-16GTZN                                                          

Kernel

Linux:                                                                          
|- Release                                                       [6.1.9-arch1-2]
|- Version              [#1 SMP PREEMPT_DYNAMIC Fri, 03 Feb 2023 18:49:53 +0000]
|- Machine                                                              [x86_64]
Memory:                                                                         
|- Total RAM                                                         32778944 KB
|- Shared RAM                                                           22728 KB
|- Free RAM                                                          28387044 KB
|- Buffer RAM                                                          103376 KB
|- Total High                                                               0 KB
|- Free High                                                                0 KB
Clock Source                                                  <             tsc>
CPU-Freq driver                                               [  corefreqk-perf]
Governor                                                      [ corefreq-policy]
CPU-Idle driver                                               [  corefreqk-idle]
|- Idle Limit                                                 <              C2>
   |- State        POLL      C1      C2      C3      C4      C5      C6         
   |-           CPUIDLE  I/O-C1  I/O-C2  I/O-C3  I/O-C4  I/O-C5  I/O-C6         
   |- Power          -1       0       0       0       0       0       0         
   |- Latency         0       1      20      40      60      80     100         
   |- Residency       0       2      40      80     120     160     200         

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