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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 3900X vs AMD Ryzen 7 5800X vs Intel Core i7-7700K @ 4.20GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

  • 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+ ADD
Price $216.99 - BUY $225.03 - BUY $159.06 - BUY
Socket TypeAM4AM4 LGA 1151
CPU ClassDesktopDesktopDesktop
Clockspeed3.8 GHz3.8 GHz4.2 GHz
Turbo SpeedUp to 4.6 GHzUp to 4.7 GHzUp to 4.5 GHz
# of Physical Cores12 (Threads: 24)8 (Threads: 16)4 (Threads: 8)
CacheL1: 768KB, L2: 6.0MB, L3: 64MBL1: 512KB, L2: 4.0MB, L3: 32MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP105W105W95W
Yearly Running Cost$19.16$19.16$17.34
Other
First Seen on ChartQ3 2019Q4 2020Q4 2016
# of Samples127781176411652
CPU Value150.5124.160.7
Single Thread Rating(% diff. to max in group)2707(-21.5%)3446(0.0%)2723(-21.0%)
CPU Mark(% diff. to max in group)32667(0.0%)27930(-14.5%)9654(-70.4%)

CPU Mark Rating
As of 5th of March 2024 - Higher results represent better performance
AMD Ryzen 9 3900X
32,667
AMD Ryzen 7 5800X
27,930
Intel Core i7-7700K @ 4.20GHz
9,654
CPU Value (CPU Mark / $Price)
As of 5th of March 2024 - Higher results represent better value
AMD Ryzen 9 3900X
150.5
AMD Ryzen 7 5800X
124.1
Intel Core i7-7700K @ 4.20GHz
60.7
CPU Single Thread Rating
As of 5th of March 2024 - Higher results represent better performance
AMD Ryzen 9 3900X
2,707
AMD Ryzen 7 5800X
3,446
Intel Core i7-7700K @ 4.20GHz
2,723

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 3900XAMD Ryzen 7 5800XIntel Core i7-7700K @ 4.20GHz
Max TDP105W105W95W
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.