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Intel i3-6320 vs i5-7400

The Intel Core i5-7400 @ 3.00GHz is newer than Intel Core i3-6320 @ 3.90GHz also around 18% faster in multi-threaded (CPU Mark) testing, but Intel Core i3-6320 @ 3.90GHz is around 10% faster in single-thread testing. However, Intel Core i5-7400 @ 3.00GHz uses around 24% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 5185 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 i3-6320 @ 3.90GHz×Intel Core i5-7400 @ 3.00GHz+ ADD
Price Search Online $44.99 - BUY
Socket TypeLGA 1151FCLGA1151
CPU ClassDesktopDesktop
Clockspeed3.9 GHz3.0 GHz
Turbo SpeedNot SupportedUp to 3.5 GHz
# of Physical Cores2 (Threads: 4)4 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 4MBL1: 256KB, L2: 1.0MB, L3: 6MB
TDP51W65W
Yearly Running Cost$9.31$11.86
OtherIntel HD Graphics 630
First Seen on ChartQ4 2015Q1 2017
# of Samples1385047
CPU Value46.4121.7
Single Thread Rating(% diff. to max in group)2314(0.0%)2081(-10.1%)
CPU Mark(% diff. to max in group)4484(-18.1%)5475(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 i3-6320 @ 3.90GHz
4,484
Intel Core i5-7400 @ 3.00GHz
5,475
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 5th of February 2025 - Higher results represent better value
Intel Core i3-6320 @ 3.90GHz
46.4
Intel Core i5-7400 @ 3.00GHz
121.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 5th of February 2025 - Higher results represent better performance
Intel Core i3-6320 @ 3.90GHz
2,314
Intel Core i5-7400 @ 3.00GHz
2,081
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 i3-6320 @ 3.90GHz Intel Core i5-7400 @ 3.00GHz
Max TDP51W65W
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.