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AMD EPYC 7643 vs Ryzen Threadripper PRO 3975WX

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: Server, Desktop. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 169 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 EPYC 7643×AMD Ryzen Threadripper PRO 3975WX+ ADD
Price $1267 - BUY $1525 - BUY
Socket TypeSP3sWRX8
CPU ClassServerDesktop, Server
Clockspeed2.3 GHz3.5 GHz
Turbo SpeedUp to 3.6 GHzUp to 4.2 GHz
# of Physical Cores48 (Threads: 96)32 (Threads: 64)
CacheL1: 3,072KB, L2: 24.0MB, L3: 256MBL1: 2,048KB, L2: 16.0MB, L3: 128MB
TDP225W280W
Yearly Running Cost$41.06$51.10
Other
First Seen on ChartQ1 2021Q4 2020
# of Samples12157
CPU Value60.041.0
Single Thread Rating(% diff. to max in group)2691(0.0%)2657(-1.3%)
CPU Mark(% diff. to max in group)76050(0.0%)62485(-17.8%)

CPU Mark Rating
As of 3rd of December 2024 - Higher results represent better performance
AMD EPYC 7643
76,050
AMD Ryzen Threadripper PRO 3975WX
62,485
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 3rd of December 2024 - Higher results represent better value
AMD EPYC 7643
60.0
AMD Ryzen Threadripper PRO 3975WX
41.0
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 3rd of December 2024 - Higher results represent better performance
AMD EPYC 7643
2,691
AMD Ryzen Threadripper PRO 3975WX
2,657
PassMark Software © 2008-2024
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
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 EPYC 7643 AMD Ryzen Threadripper PRO 3975WX
Max TDP225W280W
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.