Intel Core i5-6400 vs Intel Core i7-4771

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

2127 points
2798 points
31% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

3959 points
4428 points
11% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

1617 points
2314 points
43% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

1551 points
2221 points
43% significantly better heavy workload score

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Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

39.92 points
60.73 points
52% significantly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

2948 points
3819 points
29% slightly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1079 points
1158 points
7% slightly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

3046 points
3893 points
27% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1116 points
1229 points
10% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

4
Identical
4

Threads

Number of logical processing units

4
8
100% significantly more threads

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
29% slightly lower TDP
84 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
100% significantly more supported memory
32 GiB

Other details

Rank

Ranking in the hardwareDB database

706th of 1,099
576th of 1,099

Family

The product line

6th Generation Core i5
4th Generation Core i7

Release date

The official date of release of this chip

2015 August
2013 August

Memory Type

The type of memory used by this chip

DDR4-1866
DDR3-1333

Is Unlocked

Can this CPU can be overclocked

No
-

Supports ECC memory

Does this CPU support error correcting memory

No
No

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