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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 PRO 7945 vs Ryzen 9 7900X

The AMD Ryzen 9 PRO 7945 is newer than AMD Ryzen 9 7900X, while AMD Ryzen 9 7900X is around 13% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, AMD Ryzen 9 PRO 7945 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 5527 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 9 PRO 7945×AMD Ryzen 9 7900X+ ADD
Price Search Online Search Online
Socket TypeAM5 (LGA 1718)AM5
CPU ClassDesktop, ServerDesktop
Clockspeed3.7 GHz4.7 GHz
Turbo SpeedUp to 5.4 GHzUp to 5.6 GHz
# of Physical Cores12 (Threads: 24)12 (Threads: 24)
CacheL1: 768KB, L2: 12.0MB, L3: 64MBL1: 768KB, L2: 12.0MB, L3: 64MB
TDP65W170W
Yearly Running Cost$11.86$31.03
OtherAMD Radeon Graphics
First Seen on ChartQ2 2023Q3 2022
# of Samples185509
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)4167(-1.8%)4244(0.0%)
CPU Mark(% diff. to max in group)44796(-13.0%)51488(0.0%)

CPU Mark Rating
As of 7th of April 2025 - Higher results represent better performance
AMD Ryzen 9 PRO 7945
44,796
AMD Ryzen 9 7900X
51,488
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 7th of April 2025 - Higher results represent better performance
AMD Ryzen 9 PRO 7945
4,167
AMD Ryzen 9 7900X
4,244
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 Ryzen 9 PRO 7945 AMD Ryzen 9 7900X
Max TDP65W170W
Power consumption per day (kWh)0.130.34
Running cost per day$0.033$0.085
Power consumption per year (kWh)47.5124.1
Running cost per year$11.86$31.03
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.