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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 3900X vs Ryzen 7 5800X vs Intel i7-7700K vs Ryzen 9 7900

All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 42147 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 3900X×AMD Ryzen 7 5800X×Intel Core i7-7700K @ 4.20GHz×AMD Ryzen 9 7900+ ADD
Price $202.2 - BUY $193.99 - BUY $129.99 - BUY $379.99 - BUY
Socket TypeAM4AM4 LGA 1151AM5
CPU ClassDesktopDesktopDesktopDesktop
Clockspeed3.8 GHz3.8 GHz4.2 GHz3.7 GHz
Turbo SpeedUp to 4.6 GHzUp to 4.7 GHzUp to 4.5 GHzUp to 5.4 GHz
# of Physical Cores12 (Threads: 24)8 (Threads: 16)4 (Threads: 8)12 (Threads: 24)
CacheL1: 768KB, L2: 6.0MB, L3: 64MBL1: 512KB, L2: 4.0MB, L3: 32MBL1: 256KB, L2: 1.0MB, L3: 8MBL1: 768KB, L2: 12.0MB, L3: 64MB
TDP105W105W95W65W
Yearly Running Cost$19.16$19.16$17.34$11.86
OtherAMD Radeon Graphics
First Seen on ChartQ3 2019Q4 2020Q4 2016Q1 2023
# of Samples1389614695123311225
CPU Value161.3143.574.2128.4
Single Thread Rating(% diff. to max in group)2706(-34.7%)3445(-16.9%)2717(-34.5%)4147(0.0%)
CPU Mark(% diff. to max in group)32614(-33.1%)27829(-43.0%)9647(-80.2%)48781(0.0%)

CPU Mark Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD Ryzen 9 3900X
32,614
AMD Ryzen 7 5800X
27,829
Intel Core i7-7700K @ 4.20GHz
9,647
AMD Ryzen 9 7900
48,781
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 22nd of December 2024 - Higher results represent better value
AMD Ryzen 9 3900X
161.3
AMD Ryzen 7 5800X
143.5
Intel Core i7-7700K @ 4.20GHz
74.2
AMD Ryzen 9 7900
128.4
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD Ryzen 9 3900X
2,706
AMD Ryzen 7 5800X
3,445
Intel Core i7-7700K @ 4.20GHz
2,717
AMD Ryzen 9 7900
4,147
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 3900X AMD Ryzen 7 5800X Intel Core i7-7700K @ 4.20GHz AMD Ryzen 9 7900
Max TDP105W105W95W65W
Power consumption per day (kWh)NANANANA
Running cost per dayNANANANA
Power consumption per year (kWh)NANANANA
Running cost per yearNANANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.