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Intel i3-10305 vs i7-7700K

The Intel Core i3-10305 @ 3.80GHz is newer than Intel Core i7-7700K @ 4.20GHz and has comparable multi-threaded (CPU Mark) and single-thread rating. However, Intel Core i7-7700K @ 4.20GHz 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 12807 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 i3-10305 @ 3.80GHz×Intel Core i7-7700K @ 4.20GHz+ ADD
Price Search Online $185 - BUY
Socket TypeFCLGA1200 LGA 1151
CPU ClassDesktopDesktop
Clockspeed3.8 GHz4.2 GHz
Turbo SpeedUp to 4.5 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
TDP65W95W
Yearly Running Cost$11.86$17.34
OtherIntel UHD Graphics 630
First Seen on ChartQ2 2021Q4 2016
# of Samples1612791
CPU Value44.052.1
Single Thread Rating(% diff. to max in group)2778(0.0%)2711(-2.4%)
CPU Mark(% diff. to max in group)9450(-1.9%)9631(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 2nd of April 2025 - Higher results represent better performance
Intel Core i3-10305 @ 3.80GHz
9,450
Intel Core i7-7700K @ 4.20GHz
9,631
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 2nd of April 2025 - Higher results represent better value
Intel Core i3-10305 @ 3.80GHz
44.0
Intel Core i7-7700K @ 4.20GHz
52.1
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 2nd of April 2025 - Higher results represent better performance
Intel Core i3-10305 @ 3.80GHz
2,778
Intel Core i7-7700K @ 4.20GHz
2,711
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 i3-10305 @ 3.80GHz Intel Core i7-7700K @ 4.20GHz
Max TDP65W95W
Power consumption per day (kWh)0.130.19
Running cost per day$0.033$0.048
Power consumption per year (kWh)47.569.3
Running cost per year$11.86$17.34
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.