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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-7900X vs AMD Ryzen 7 3700X vs Ryzen 9 3900X

All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 35249 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.

×Intel Core i9-7900X @ 3.30GHz×AMD Ryzen 7 3700X×AMD Ryzen 9 3900X+ ADD
Price $325 - BUY $93.6 - BUY $186.94 - BUY
Socket TypeFCLGA2066AM4AM4
CPU ClassDesktopDesktopDesktop
Clockspeed3.3 GHz3.6 GHz3.8 GHz
Turbo SpeedUp to 4.5 GHzUp to 4.4 GHzUp to 4.6 GHz
# of Physical Cores10 (Threads: 20)8 (Threads: 16)12 (Threads: 24)
CacheL1: 640KB, L2: 10.0MB, L3: 14MBL1: 512KB, L2: 4.0MB, L3: 32MBL1: 768KB, L2: 6.0MB, L3: 64MB
TDP140W65W105W
Yearly Running Cost$25.55$11.86$19.16
Other
First Seen on ChartQ2 2017Q3 2019Q3 2019
# of Samples11652006914015
CPU Value64.7240.6174.4
Single Thread Rating(% diff. to max in group)2552(-5.7%)2659(-1.7%)2706(0.0%)
CPU Mark(% diff. to max in group)21029(-35.5%)22521(-30.9%)32608(0.0%)

CPU Mark Rating
As of 5th of January 2025 - Higher results represent better performance
Intel Core i9-7900X @ 3.30GHz
21,029
AMD Ryzen 7 3700X
22,521
AMD Ryzen 9 3900X
32,608
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 5th of January 2025 - Higher results represent better value
Intel Core i9-7900X @ 3.30GHz
64.7
AMD Ryzen 7 3700X
240.6
AMD Ryzen 9 3900X
174.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 5th of January 2025 - Higher results represent better performance
Intel Core i9-7900X @ 3.30GHz
2,552
AMD Ryzen 7 3700X
2,659
AMD Ryzen 9 3900X
2,706
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.
Intel Core i9-7900X @ 3.30GHz AMD Ryzen 7 3700X AMD Ryzen 9 3900X
Max TDP140W65W105W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.