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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 7900X3D vs Ryzen 9 9900X

The AMD Ryzen 9 9900X is newer than AMD Ryzen 9 7900X3D also around 8% faster in multi-threaded (CPU Mark) testing, it 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 2979 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 9900X+ ADD
Price Search Online $417.23 - BUY
Socket TypeAM5 (LGA 1718)AM5
CPU ClassDesktopDesktop
Clockspeed4.4 GHz4.4 GHz
Turbo SpeedUp to 5.6 GHzUp to 5.6 GHz
# of Physical Cores12 (Threads: 24)12 (Threads: 24)
CacheL1: 768KB, L2: 12.0MB, L3: 128MBL1: 960KB, L2: 12.0MB, L3: 64MB
TDP120W120W
Yearly Running Cost$21.90$21.90
OtherAMD Radeon Graphics
First Seen on ChartQ1 2023Q3 2024
# of Samples14561523
CPU Value0.0131.3
Single Thread Rating(% diff. to max in group)4130(-11.7%)4678(0.0%)
CPU Mark(% diff. to max in group)50372(-8.1%)54783(0.0%)

CPU Mark Rating
As of 1st of April 2025 - Higher results represent better performance
AMD Ryzen 9 7900X3D
50,372
AMD Ryzen 9 9900X
54,783
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 1st of April 2025 - Higher results represent better value
AMD Ryzen 9 7900X3D
NA
AMD Ryzen 9 9900X
131.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 1st of April 2025 - Higher results represent better performance
AMD Ryzen 9 7900X3D
4,130
AMD Ryzen 9 9900X
4,678
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 7900X3D AMD Ryzen 9 9900X
Max TDP120W120W
Power consumption per day (kWh)0.240.24
Running cost per day$0.060$0.060
Power consumption per year (kWh)87.687.6
Running cost per year$21.90$21.90
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.