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CPU Benchmarks

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Intel i5-7400T vs i3-7350K

The Intel Core i3-7350K @ 4.20GHz is newer than Intel Core i5-7400T @ 2.40GHz, while the multi-threaded (CPU Mark) is simliar, Intel Core i3-7350K @ 4.20GHz is around 32% faster in single-thread testing. However, Intel Core i5-7400T @ 2.40GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 387 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 i5-7400T @ 2.40GHz×Intel Core i3-7350K @ 4.20GHz+ ADD
Price $64.56 - BUY Search Online
Socket TypeLGA1151FCLGA1151
CPU ClassDesktopDesktop
Clockspeed2.4 GHz4.2 GHz
Turbo SpeedUp to 3.0 GHzNot Supported
# of Physical Cores4 (Threads: 4)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 128KB, L2: 0.5MB, L3: 4MB
TDP35W60W
Yearly Running Cost$6.39$10.95
OtherIntel HD Graphics 630
First Seen on ChartQ4 2016Q1 2017
# of Samples222165
CPU Value73.157.8
Single Thread Rating(% diff. to max in group)1755(-31.7%)2570(0.0%)
CPU Mark(% diff. to max in group)4717(-4.7%)4953(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 5th of February 2025 - Higher results represent better performance
Intel Core i5-7400T @ 2.40GHz
4,717
Intel Core i3-7350K @ 4.20GHz
4,953
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 5th of February 2025 - Higher results represent better value
Intel Core i5-7400T @ 2.40GHz
73.1
Intel Core i3-7350K @ 4.20GHz
57.8
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 5th of February 2025 - Higher results represent better performance
Intel Core i5-7400T @ 2.40GHz
1,755
Intel Core i3-7350K @ 4.20GHz
2,570
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 i5-7400T @ 2.40GHz Intel Core i3-7350K @ 4.20GHz
Max TDP35W60W
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.