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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 7900 vs Ryzen 9 7900X

The AMD Ryzen 9 7900 is newer than AMD Ryzen 9 7900X, while AMD Ryzen 9 7900X is around 6% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, AMD Ryzen 9 7900 uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 5076 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 7900×AMD Ryzen 9 7900X+ ADD
Price $415 - BUY $326.92 - BUY
Socket TypeAM5AM5
CPU ClassDesktopDesktop
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 GraphicsAMD Radeon Graphics
First Seen on ChartQ1 2023Q3 2022
# of Samples11543922
CPU Value117.6158.1
Single Thread Rating(% diff. to max in group)4147(-2.5%)4253(0.0%)
CPU Mark(% diff. to max in group)48816(-5.6%)51689(0.0%)

CPU Mark Rating
As of 1st of December 2024 - Higher results represent better performance
AMD Ryzen 9 7900
48,816
AMD Ryzen 9 7900X
51,689
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 1st of December 2024 - Higher results represent better value
AMD Ryzen 9 7900
117.6
AMD Ryzen 9 7900X
158.1
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 1st of December 2024 - Higher results represent better performance
AMD Ryzen 9 7900
4,147
AMD Ryzen 9 7900X
4,253
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 Ryzen 9 7900 AMD Ryzen 9 7900X
Max TDP65W170W
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.