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AMD Ryzen Threadripper PRO 3975WX vs EPYC 7643

The AMD EPYC 7643 is newer than AMD Ryzen Threadripper PRO 3975WX also around 18% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, AMD Ryzen Threadripper PRO 3975WX uses around 22% more power. The CPUs selected in this comparison belong in different CPU Classes: Desktop, Server. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 158 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×AMD Ryzen Threadripper PRO 3975WX×AMD EPYC 7643+ ADD
Price $1289.95 - BUY $1289 - BUY
Socket TypesWRX8SP3
CPU ClassDesktop, ServerServer
Clockspeed3.5 GHz2.3 GHz
Turbo SpeedUp to 4.2 GHzUp to 3.6 GHz
# of Physical Cores32 (Threads: 64)48 (Threads: 96)
CacheL1: 2,048KB, L2: 16.0MB, L3: 128MBL1: 3,072KB, L2: 24.0MB, L3: 256MB
TDP280W225W
Yearly Running Cost$51.10$41.06
Other
First Seen on ChartQ4 2020Q1 2021
# of Samples14612
CPU Value48.659.0
Single Thread Rating(% diff. to max in group)2660(-1.2%)2691(0.0%)
CPU Mark(% diff. to max in group)62720(-17.5%)76050(0.0%)

CPU Mark Rating
As of 26th of July 2024 - Higher results represent better performance
AMD Ryzen Threadripper PRO 3975WX
62,720
AMD EPYC 7643
76,050
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of July 2024 - Higher results represent better value
AMD Ryzen Threadripper PRO 3975WX
48.6
AMD EPYC 7643
59.0
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of July 2024 - Higher results represent better performance
AMD Ryzen Threadripper PRO 3975WX
2,660
AMD EPYC 7643
2,691
PassMark Software © 2008-2024

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
AMD Ryzen Threadripper PRO 3975WXAMD EPYC 7643
Max TDP280W225W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.