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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 7950X vs Ryzen 9 7900

The AMD Ryzen 9 7900 is newer than AMD Ryzen 9 7950X and is around -23% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, 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 11085 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 7950X×AMD Ryzen 9 7900+ ADD
Price $615.85 - BUY Search Online
Socket TypeAM5AM5
CPU ClassDesktopDesktop
Clockspeed4.5 GHz3.7 GHz
Turbo SpeedUp to 5.7 GHzUp to 5.4 GHz
# of Physical Cores16 (Threads: 32)12 (Threads: 24)
CacheL1: 1,024KB, L2: 16.0MB, L3: 64MBL1: 768KB, L2: 12.0MB, L3: 64MB
TDP170W65W
Yearly Running Cost$31.03$11.86
OtherAMD Radeon GraphicsAMD Radeon Graphics
First Seen on ChartQ3 2022Q1 2023
# of Samples81182967
CPU Rank154272
CPU Value101.0122.3
Single Thread Rating(% diff. to max in group)4256(0.0%)4123(-3.1%)
CPU Mark(% diff. to max in group)62223(0.0%)48072(-22.7%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of March 2026 - Higher results represent better performance
AMD Ryzen 9 7950X
62,223
AMD Ryzen 9 7900
48,072
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 14th of March 2026 - Higher results represent better value
AMD Ryzen 9 7950X
101.0
AMD Ryzen 9 7900
122.3
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 14th of March 2026 - Higher results represent better performance
AMD Ryzen 9 7950X
4,256
AMD Ryzen 9 7900
4,123
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 9 7950X AMD Ryzen 9 7900
Max TDP170W65W
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.