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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD EPYC 3451 vs Ryzen 7 PRO 8840U

The AMD Ryzen 7 PRO 8840U is newer than AMD EPYC 3451 also around 18% faster in multi-threaded (CPU Mark) testing and is significantly faster in single-thread testing. The CPUs selected in this comparison belong in different CPU Classes: Server, Desktop, Laptop. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 118 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 3451×AMD Ryzen 7 PRO 8840U+ ADD
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Socket TypeNA2FP7 FP7r2
CPU ClassServerDesktop, Laptop, Server
Clockspeed2.1 GHz3.3 GHz
Turbo SpeedUp to 3.0 GHzUp to 5.1 GHz
# of Physical Cores16 (Threads: 32)8 (Threads: 16)
CacheNA2L1: 512KB, L2: 8.0MB, L3: 16MB
TDPNA228W
Yearly Running CostNA$5.11
Otherw/ Radeon 780M Graphics
First Seen on ChartQ2 2023Q2 2024
# of Samples3115
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)1700(-54.2%)3709(0.0%)
CPU Mark(% diff. to max in group)19532(-18.4%)23941(0.0%)
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CPU Mark Rating
As of 1st of April 2025 - Higher results represent better performance
AMD EPYC 3451
19,532
AMD Ryzen 7 PRO 8840U
23,941
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 1st of April 2025 - Higher results represent better performance
AMD EPYC 3451
1,700
AMD Ryzen 7 PRO 8840U
3,709
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 3451 AMD Ryzen 7 PRO 8840U
Max TDPNA28W
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.