iconcharts
2

CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-11400T vs i7-8700K

The Intel Core i5-11400T @ 1.30GHz is newer than Intel Core i7-8700K @ 3.70GHz, while the multi-threaded (CPU Mark) is simliar, Intel Core i7-8700K @ 3.70GHz is around 6% faster in single-thread testing. However, Intel Core i5-11400T @ 1.30GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 15363 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 i5-11400T @ 1.30GHz×Intel Core i7-8700K @ 3.70GHz+ ADD
Price Search Online $163.69 - BUY
Socket TypeFCLGA1200FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed1.3 GHz3.7 GHz
Turbo SpeedUp to 3.7 GHzUp to 4.7 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 480KB, L2: 3.0MB, L3: 12MBL1: 384KB, L2: 1.5MB, L3: 12MB
TDP35W95W
Yearly Running Cost$6.39$17.34
OtherIntel UHD Graphics 730Intel UHD Graphics 630
First Seen on ChartQ2 2021Q4 2017
# of Samples4115322
CPU Value74.983.2
Single Thread Rating(% diff. to max in group)2564(-5.9%)2726(0.0%)
CPU Mark(% diff. to max in group)13632(0.0%)13616(-0.1%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i5-11400T @ 1.30GHz
13,632
Intel Core i7-8700K @ 3.70GHz
13,616
CPU Value (CPU Mark / $Price)
As of 8th of January 2025 - Higher results represent better value
Intel Core i5-11400T @ 1.30GHz
74.9
Intel Core i7-8700K @ 3.70GHz
83.2
CPU Single Thread Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i5-11400T @ 1.30GHz
2,564
Intel Core i7-8700K @ 3.70GHz
2,726
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 i5-11400T @ 1.30GHz Intel Core i7-8700K @ 3.70GHz
Max TDP35W95W
Power consumption per day (kWh)0.070.19
Running cost per day$0.018$0.048
Power consumption per year (kWh)25.669.3
Running cost per year$6.39$17.34
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.