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AMD Ryzen Threadripper PRO 9965WX vs EPYC 9255

Both CPUs were released (or first benchmaked) within the last year, but AMD EPYC 9255 is around -18% slower in multi-threaded (CPU Mark) testing. The AMD EPYC 9255 is around -19% slower in single-thread testing. Also, AMD EPYC 9255 uses substantially less 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 60 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 9965WX×AMD EPYC 9255+ ADD
Price Search Online Search Online
Socket TypesTR5SP5
CPU ClassDesktop, ServerServer
Clockspeed4.2 GHz4.0 GHz
Turbo SpeedUp to 5.4 GHzUp to 4.3 GHz
# of Physical Cores24 (Threads: 48)24 (Threads: 48)
CacheL1: 1,536KB, L2: 24.0MB, L3: 128MBL1: 80KB, L2: 1.0MB, L3: 128MB
TDP350W200W
Yearly Running Cost$63.87$36.50
Other
First Seen on ChartQ3 2025Q2 2025
# of Samples555
CPU Rank5495
CPU Value34.40.0
Single Thread Rating(% diff. to max in group)4532(0.0%)3653(-19.4%)
CPU Mark(% diff. to max in group)92768(0.0%)75809(-18.3%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 16th of March 2026 - Higher results represent better performance
AMD Ryzen Threadripper PRO 9965WX
92,768
AMD EPYC 9255
75,809
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 16th of March 2026 - Higher results represent better value
AMD Ryzen Threadripper PRO 9965WX
34.4
AMD EPYC 9255
NA
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 16th of March 2026 - Higher results represent better performance
AMD Ryzen Threadripper PRO 9965WX
4,532
AMD EPYC 9255
3,653
PassMark Software © 2008-2026
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 Ryzen Threadripper PRO 9965WX AMD EPYC 9255
Max TDP350W200W
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.