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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 9900X vs Ryzen 9 7900X

The AMD Ryzen 9 9900X is newer than AMD Ryzen 9 7900X also around 6% faster in multi-threaded (CPU Mark) testing, it is around 9% faster in single-thread testing. However, AMD Ryzen 9 7900X uses around 34% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 4057 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 9900X×AMD Ryzen 9 7900X+ ADD
Price $382.55 - BUY $326.92 - BUY
Socket TypeAM5AM5
CPU ClassDesktopDesktop
Clockspeed4.4 GHz4.7 GHz
Turbo SpeedUp to 5.6 GHzUp to 5.6 GHz
# of Physical Cores12 (Threads: 24)12 (Threads: 24)
CacheL1: 960KB, L2: 12.0MB, L3: 64MBL1: 768KB, L2: 12.0MB, L3: 64MB
TDP120W170W
Yearly Running Cost$21.90$31.03
OtherAMD Radeon Graphics
First Seen on ChartQ3 2024Q3 2022
# of Samples1763881
CPU Value143.4158.1
Single Thread Rating(% diff. to max in group)4688(0.0%)4254(-9.3%)
CPU Mark(% diff. to max in group)54865(0.0%)51692(-5.8%)

CPU Mark Rating
As of 23rd of November 2024 - Higher results represent better performance
AMD Ryzen 9 9900X
54,865
AMD Ryzen 9 7900X
51,692
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 23rd of November 2024 - Higher results represent better value
AMD Ryzen 9 9900X
143.4
AMD Ryzen 9 7900X
158.1
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 23rd of November 2024 - Higher results represent better performance
AMD Ryzen 9 9900X
4,688
AMD Ryzen 9 7900X
4,254
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 9900X AMD Ryzen 9 7900X
Max TDP120W170W
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.