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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-9900X vs i7-10700K

The Intel Core i7-10700K @ 3.80GHz is newer than Intel Core i9-9900X @ 3.50GHz, while Intel Core i9-9900X @ 3.50GHz is around 14% faster in multi-threaded (CPU Mark) testing, but Intel Core i7-10700K @ 3.80GHz is around 16% faster in single-thread testing. However, Intel Core i9-9900X @ 3.50GHz uses around 28% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 6000 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 i9-9900X @ 3.50GHz×Intel Core i7-10700K @ 3.80GHz+ ADD
Price $310.58 - BUY $304.99 - BUY
Socket TypeFCLGA2066FCLGA1200
CPU ClassDesktopDesktop
Clockspeed3.5 GHz3.8 GHz
Turbo SpeedUp to 4.5 GHzUp to 5.1 GHz
# of Physical Cores10 (Threads: 20)8 (Threads: 16)
CacheL1: 640KB, L2: 10.0MB, L3: 19MBL1: 512KB, L2: 2.0MB, L3: 16MB
TDP165W125W
Yearly Running Cost$30.11$22.81
OtherIntel UHD Graphics 630
First Seen on ChartQ4 2018Q2 2020
# of Samples2655735
CPU Value69.861.3
Single Thread Rating(% diff. to max in group)2554(-16.1%)3046(0.0%)
CPU Mark(% diff. to max in group)21685(0.0%)18684(-13.8%)

CPU Mark Rating
As of 13th of March 2025 - Higher results represent better performance
Intel Core i9-9900X @ 3.50GHz
21,685
Intel Core i7-10700K @ 3.80GHz
18,684
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 13th of March 2025 - Higher results represent better value
Intel Core i9-9900X @ 3.50GHz
69.8
Intel Core i7-10700K @ 3.80GHz
61.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 13th of March 2025 - Higher results represent better performance
Intel Core i9-9900X @ 3.50GHz
2,554
Intel Core i7-10700K @ 3.80GHz
3,046
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 i9-9900X @ 3.50GHz Intel Core i7-10700K @ 3.80GHz
Max TDP165W125W
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.