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CPU Benchmarks

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AMD EPYC 9634 vs EPYC 9555 64-

The AMD EPYC 9555 64-Core is newer than AMD EPYC 9634 and is around 23% faster in multi-threaded (CPU Mark) testing. The AMD EPYC 9555 64-Core is around 29% faster in single-thread testing. The values below were tabulated from a combined 3 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 9634×AMD EPYC 9555 64-Core+ ADD
Price Search Online Search Online
Socket TypeSP5NA2
CPU ClassServerNA2
Clockspeed3.1 GHz4.4 GHz
Turbo SpeedUp to 3.7 GHzNA2
# of Physical Cores84 (Threads: 168)64 (Threads: 128)
CacheL1: 5,376KB, L2: 84.0MB, L3: 384MBNA2
TDP290WNA2
Yearly Running Cost$52.93NA
Other
First Seen on ChartQ1 2024Q1 2025
# of Samples21
CPU Value27.30.0
Single Thread Rating(% diff. to max in group)2924(-22.2%)3759(0.0%)
CPU Mark(% diff. to max in group)107944(-19.0%)133253(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 13th of December 2025 - Higher results represent better performance
AMD EPYC 9634
107,944
AMD EPYC 9555 64-Core
133,253
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 13th of December 2025 - Higher results represent better value
AMD EPYC 9634
27.3
AMD EPYC 9555 64-Core
NA
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 13th of December 2025 - Higher results represent better performance
AMD EPYC 9634
2,924
AMD EPYC 9555 64-Core
3,759
PassMark Software © 2008-2025
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 9634 AMD EPYC 9555 64-Core
Max TDP290WNA
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.