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Intel i7-9700 vs i7-8700K

The Intel Core i7-9700 @ 3.00GHz is newer than Intel Core i7-8700K @ 3.70GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, Intel Core i7-8700K @ 3.70GHz uses around 38% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 20987 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 i7-9700 @ 3.00GHz×Intel Core i7-8700K @ 3.70GHz+ ADD
Price $210.74 - BUY $161.96 - BUY
Socket TypeFCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.0 GHz3.7 GHz
Turbo SpeedUp to 4.7 GHzUp to 4.7 GHz
# of Physical Cores8 (Threads: 8)6 (Threads: 12)
CacheL1: 512KB, L2: 2.0MB, L3: 12MBL1: 384KB, L2: 1.5MB, L3: 12MB
TDP65W95W
Yearly Running Cost$11.86$17.34
OtherIntel UHD Graphics 630Intel UHD Graphics 630
First Seen on ChartQ2 2019Q4 2017
# of Samples453216455
CPU Value62.983.9
Single Thread Rating(% diff. to max in group)2763(0.0%)2721(-1.5%)
CPU Mark(% diff. to max in group)13246(-2.5%)13584(0.0%)

CPU Mark Rating
As of 24th of May 2025 - Higher results represent better performance
Intel Core i7-9700 @ 3.00GHz
13,246
Intel Core i7-8700K @ 3.70GHz
13,584
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 24th of May 2025 - Higher results represent better value
Intel Core i7-9700 @ 3.00GHz
62.9
Intel Core i7-8700K @ 3.70GHz
83.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 24th of May 2025 - Higher results represent better performance
Intel Core i7-9700 @ 3.00GHz
2,763
Intel Core i7-8700K @ 3.70GHz
2,721
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 i7-9700 @ 3.00GHz Intel Core i7-8700K @ 3.70GHz
Max TDP65W95W
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.