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CPU Benchmarks

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Intel i7-8700K vs AMD Ryzen 9 9950X3D

The AMD Ryzen 9 9950X3D is newer than Intel Core i7-8700K @ 3.70GHz and is significantly faster in multi-threaded (CPU Mark) testing, it is around 42% faster in single-thread testing. However, Intel Core i7-8700K @ 3.70GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 15942 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 i7-8700K @ 3.70GHz×AMD Ryzen 9 9950X3D+ ADD
Price $169.81 - BUY $999 - BUY
Socket TypeFCLGA1151-2AM5
CPU ClassDesktopDesktop
Clockspeed3.7 GHz4.3 GHz
Turbo SpeedUp to 4.7 GHzUp to 5.7 GHz
# of Physical Cores6 (Threads: 12)16 (Threads: 32)
CacheL1: 384KB, L2: 1.5MB, L3: 12MBL1: 1,280KB, L2: 16.0MB, L3: 32MB
TDP95W170W
Yearly Running Cost$17.34$31.03
OtherIntel UHD Graphics 630
First Seen on ChartQ4 2017Q1 2025
# of Samples1592319
CPU Value80.070.5
Single Thread Rating(% diff. to max in group)2722(-41.8%)4676(0.0%)
CPU Mark(% diff. to max in group)13590(-80.7%)70434(0.0%)

CPU Mark Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Core i7-8700K @ 3.70GHz
13,590
AMD Ryzen 9 9950X3D
70,434
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
Intel Core i7-8700K @ 3.70GHz
80.0
AMD Ryzen 9 9950X3D
70.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Core i7-8700K @ 3.70GHz
2,722
AMD Ryzen 9 9950X3D
4,676
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 i7-8700K @ 3.70GHz AMD Ryzen 9 9950X3D
Max TDP95W170W
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.