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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 7900X3D vs Ryzen 9 9900X3D

The AMD Ryzen 9 9900X3D is newer than AMD Ryzen 9 7900X3D and is around 12% faster in multi-threaded (CPU Mark) testing. The AMD Ryzen 9 9900X3D is around 12% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 3606 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 7900X3D×AMD Ryzen 9 9900X3D+ ADD
Price $616 - BUY $504.4 - BUY
Socket TypeAM5 (LGA 1718)AM5
CPU ClassDesktopDesktop
Clockspeed4.4 GHz4.4 GHz
Turbo SpeedUp to 5.6 GHzUp to 5.5 GHz
# of Physical Cores12 (Threads: 24)12 (Threads: 24)
CacheL1: 768KB, L2: 12.0MB, L3: 128MBL1: 960KB, L2: 12.0MB, L3: 128MB
TDP120W120W
Yearly Running Cost$21.90$21.90
OtherAMD Radeon Graphics
First Seen on ChartQ1 2023Q1 2025
# of Samples23741232
CPU Rank269227
CPU Value81.5111.1
Single Thread Rating(% diff. to max in group)4118(-11.0%)4628(0.0%)
CPU Mark(% diff. to max in group)50199(-10.4%)56039(0.0%)

CPU Mark Rating
As of 7th of October 2026 - Higher results represent better performance
AMD Ryzen 9 7900X3D
50,199
AMD Ryzen 9 9900X3D
56,039
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 7th of October 2026 - Higher results represent better value
AMD Ryzen 9 7900X3D
81.5
AMD Ryzen 9 9900X3D
111.1
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 7th of October 2026 - Higher results represent better performance
AMD Ryzen 9 7900X3D
4,118
AMD Ryzen 9 9900X3D
4,628
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 7900X3D AMD Ryzen 9 9900X3D
Max TDP120W120W
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.