Intel Core i5-6400 vs Intel Core i5-6600K

CPU Comparison

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Price

The average price from our partner retailers

$ 99.99
$ 75.65 significantly less expensive
$ 175.64

Benchmark Score

Overall Score

A combined score of all workloads

2130 points
2741 points
28% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

3964 points
5066 points
27% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

1619 points
2091 points
29% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

1553 points
2007 points
29% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i5-6400 and the Core i5-6600K? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

2971 points
14% slightly higher 3DMark Physics score
2595 points
Blender score

Blender score

Cycles Render (Samples per minute)

39.92 points
55.62 points
39% slightly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

2948 points
3989 points
35% slightly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1079 points
1400 points
29% slightly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

3046 points
4043 points
32% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1116 points
1429 points
28% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

4
Identical
4

Threads

Number of logical processing units

4
Identical
4

Clock Speed

Base frequency at which the chip operates

2.7 GHz
3.5 GHz
29% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

3.3 GHz
3.9 GHz
18% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

65 W
40% slightly lower TDP
91 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
Identical
16

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

64 GiB
Identical
64 GiB

L1 Cache

Smallest embedded memory, but the fastest

256 KiB
Identical
256 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

1 MiB
Identical
1 MiB

L3 Cache

General memory pool for all cores

6 MiB
Identical
6 MiB

Other details

Rank

Ranking in the hardwareDB database

722nd of 1,126
604th of 1,126

Family

The product line

6th Generation Core i5
6th Generation Core i5

Release date

The official date of release of this chip

2015 August
2015 August

Memory Type

The type of memory used by this chip

DDR4-1866
DDR4-1866

Is Unlocked

Can this CPU can be overclocked

No
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
No

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