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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 5900X vs Ryzen 9 3900XT

The AMD Ryzen 9 5900X is newer than AMD Ryzen 9 3900XT also around 16% faster in multi-threaded (CPU Mark) testing, it is around 21% 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 18325 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 5900X×AMD Ryzen 9 3900XT+ ADD
Price $264.99 - BUY $239 - BUY
Socket TypeAM4AM4
CPU ClassDesktopDesktop
Clockspeed3.7 GHz3.8 GHz
Turbo SpeedUp to 4.8 GHzUp to 4.7 GHz
# of Physical Cores12 (Threads: 24)12 (Threads: 24)
CacheL1: 768KB, L2: 6.0MB, L3: 64MBL1: 768KB, L2: 6.0MB, L3: 64MB
TDP105W105W
Yearly Running Cost$19.16$19.16
Other
First Seen on ChartQ4 2020Q3 2020
# of Samples170851240
CPU Value147.6136.7
Single Thread Rating(% diff. to max in group)3470(0.0%)2746(-20.9%)
CPU Mark(% diff. to max in group)39100(0.0%)32662(-16.5%)

CPU Mark Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD Ryzen 9 5900X
39,100
AMD Ryzen 9 3900XT
32,662
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 22nd of December 2024 - Higher results represent better value
AMD Ryzen 9 5900X
147.6
AMD Ryzen 9 3900XT
136.7
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD Ryzen 9 5900X
3,470
AMD Ryzen 9 3900XT
2,746
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 5900X AMD Ryzen 9 3900XT
Max TDP105W105W
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.