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CPU Comparison

Intel Core i5 6400

4C / 4T

2.7 - 3.3 GHz

TDP: 65W

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VS

Intel Core i7 6700K

4C / 8T

4 - 4.2 GHz

TDP: 91W

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Benchmark Scores

C23

Cinebench R23 (Single-Core)

Intel Core i5 6400898
Intel Core i7 6700K1,124
Difference: 25.2% (Intel faster)
C23

Cinebench R23 (Multi-Core)

Intel Core i5 64003,214
Intel Core i7 6700K5,602
Difference: 74.3% (Intel faster)
G6

Geekbench 6 (Single-Core)

Intel Core i5 64001,143
Intel Core i7 6700K1,544
Difference: 35.1% (Intel faster)
G6

Geekbench 6 (Multi-Core)

Intel Core i5 64003,312
Intel Core i7 6700K5,265
Difference: 59.0% (Intel faster)
G5

Geekbench 5 (Single-Core)

Intel Core i5 6400853
Intel Core i7 6700K1,087
Difference: 27.4% (Intel faster)
G5

Geekbench 5 (Multi-Core)

Intel Core i5 64002,805
Intel Core i7 6700K4,271
Difference: 52.3% (Intel faster)
P

PassMark (Single-Core)

Intel Core i5 64001,961
Intel Core i7 6700K2,510
Difference: 28.0% (Intel faster)
P

PassMark (Multi-Core)

Intel Core i5 64005,151
Intel Core i7 6700K8,940
Difference: 73.6% (Intel faster)

Specifications

4
Cores
4
4
Threads
8
2.7 GHz
Base Frequency
4 GHz
3.3 GHz
Boost Frequency
4.2 GHz
65 W
TDP
91 W
LGA-1151
Socket
LGA-1151
Skylake
Architecture
Skylake
14nm
Manufacturing
14nm
2015
Release Year
2015
6MB shared
L3 Cache
8MB shared
DDR4-2133
Memory Support
DDR4-2133
64GB
Max Memory
64GB
3
PCIe Version
3