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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i3-10305T vs i7-7700K

The Intel Core i3-10305T @ 3.00GHz is newer than Intel Core i7-7700K @ 4.20GHz and is around -12% slower in multi-threaded (CPU Mark) testing. The Intel Core i3-10305T @ 3.00GHz is around -11% slower in single-thread testing. Also, Intel Core i3-10305T @ 3.00GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 13784 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 i3-10305T @ 3.00GHz×Intel Core i7-7700K @ 4.20GHz+ ADD
Price Search Online $210.39 - BUY
Socket TypeFCLGA1200 LGA 1151
CPU ClassDesktopDesktop
Clockspeed3.0 GHz4.2 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.5 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP35W95W
Yearly Running Cost$6.39$17.34
OtherIntel UHD Graphics 630
First Seen on ChartQ2 2021Q4 2016
# of Samples513779
CPU Value59.545.7
Single Thread Rating(% diff. to max in group)2416(-10.6%)2704(0.0%)
CPU Mark(% diff. to max in group)8512(-11.5%)9622(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 8th of November 2025 - Higher results represent better performance
Intel Core i3-10305T @ 3.00GHz
8,512
Intel Core i7-7700K @ 4.20GHz
9,622
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 8th of November 2025 - Higher results represent better value
Intel Core i3-10305T @ 3.00GHz
59.5
Intel Core i7-7700K @ 4.20GHz
45.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 8th of November 2025 - Higher results represent better performance
Intel Core i3-10305T @ 3.00GHz
2,416
Intel Core i7-7700K @ 4.20GHz
2,704
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 i3-10305T @ 3.00GHz Intel Core i7-7700K @ 4.20GHz
Max TDP35W95W
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.