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Over 1,000,000 CPUs benchmarked

Intel i3-6300 vs i5-6400

The Intel Core i3-6300 @ 3.80GHz is newer than Intel Core i5-6400 @ 2.70GHz and is around -16% slower in multi-threaded (CPU Mark) testing. The Intel Core i3-6300 @ 3.80GHz is around 17% faster in single-thread testing. Also, 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 5363 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 i3-6300 @ 3.80GHz×Intel Core i5-6400 @ 2.70GHz+ ADD
Price Search Online Search Online
Socket TypeLGA 1151LGA 1151
CPU ClassDesktopDesktop
Clockspeed3.8 GHz2.7 GHz
Turbo SpeedNot SupportedUp to 3.3 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
Other
First Seen on ChartQ4 2015Q3 2015
# of Samples2505113
CPU Value133.90.0
Single Thread Rating(% diff. to max in group)2278(0.0%)1953(-14.3%)
CPU Mark(% diff. to max in group)4337(-16.1%)5171(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 24th of April 2025 - Higher results represent better performance
Intel Core i3-6300 @ 3.80GHz
4,337
Intel Core i5-6400 @ 2.70GHz
5,171
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 24th of April 2025 - Higher results represent better value
Intel Core i3-6300 @ 3.80GHz
133.9
Intel Core i5-6400 @ 2.70GHz
NA
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 24th of April 2025 - Higher results represent better performance
Intel Core i3-6300 @ 3.80GHz
2,278
Intel Core i5-6400 @ 2.70GHz
1,953
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 i3-6300 @ 3.80GHz Intel Core i5-6400 @ 2.70GHz
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.