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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-6400 vs i3-6320

The Intel Core i3-6320 @ 3.90GHz is newer than Intel Core i5-6400 @ 2.70GHz, while Intel Core i5-6400 @ 2.70GHz is around 13% faster in multi-threaded (CPU Mark) testing, but Intel Core i3-6320 @ 3.90GHz is around 15% faster in single-thread testing. However, Intel Core i5-6400 @ 2.70GHz 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 4963 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 i5-6400 @ 2.70GHz×Intel Core i3-6320 @ 3.90GHz+ ADD
Price $69.99 - BUY Search Online
Socket TypeLGA 1151LGA 1151
CPU ClassDesktopDesktop
Clockspeed2.7 GHz3.9 GHz
Turbo SpeedUp to 3.3 GHzNot Supported
# of Physical Cores4 (Threads: 4)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 128KB, L2: 0.5MB, L3: 4MB
TDP65W51W
Yearly Running Cost$11.86$9.31
Other
First Seen on ChartQ3 2015Q4 2015
# of Samples4826137
CPU Value73.846.3
Single Thread Rating(% diff. to max in group)1954(-15.3%)2308(0.0%)
CPU Mark(% diff. to max in group)5165(0.0%)4473(-13.4%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Core i5-6400 @ 2.70GHz
5,165
Intel Core i3-6320 @ 3.90GHz
4,473
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of December 2024 - Higher results represent better value
Intel Core i5-6400 @ 2.70GHz
73.8
Intel Core i3-6320 @ 3.90GHz
46.3
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Core i5-6400 @ 2.70GHz
1,954
Intel Core i3-6320 @ 3.90GHz
2,308
PassMark Software © 2008-2024
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 i5-6400 @ 2.70GHz Intel Core i3-6320 @ 3.90GHz
Max TDP65W51W
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.