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Intel i5-8400 6-core 2.8 GHz Socket 1151 65W Desktop Processor Intel i7-6700K 4-core 4 GHz Socket 1151 91W Desktop Processor

3.2/10 Score 2382
Intel i5-8400 6-core 2.8 GHz Socket 1151 65W Desktop Processor
3.1/10 Score 2280
Intel i7-6700K 4-core 4 GHz Socket 1151 91W Desktop Processor
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$ 190
$ 320
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CPU ArchitectureCoresThreadsCPU ClockCPU Turbo ClockCacheDDR3DDR4Memory BandwidthMaximum MemoryGenerationSocketThermal Design Power
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CPU Architecture The smaller CPU, the better performance

14 nm

14 nm

Cores The more Cores, the more tasks CPU can perform at the same time

6

4

Threads Threads are not physical cores, but they help with multitasking

6

8

CPU Clock The higher the clock, the more instructions CPU can execute per second

2.8 GHz

30% higher

4 GHz

CPU Turbo Clock CPU turbo clock helps to squeeze more performance by increasing base clock

4 GHz

5% higher

4.2 GHz

Cache CPU stores copies of the frequently used data to the cache for faster execution

9 MB

8 MB

DDR3 Type of memory CPU supports

No

Yes

DDR4 Type of memory CPU supports

Yes

Yes

Memory Bandwidth The more bandwidth, the faster data is transfered between CPU and RAM
18% faster

41.6 GB/s

34.1 GB/s

Maximum Memory The maximum amount of memory CPU can support

64 GB

64 GB

Generation

8

6

Socket

1151

1151

Thermal Design Power Typical power consumption of the Central Processing Unit
29% lower

65 Watts

91 Watts

Recommended
3.2/10 Score 2382
Intel i5-8400 6-core 2.8 GHz Socket 1151 65W Desktop Processor
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Intel i5-8400 6-core 2.8 GHz Socket 1151 65W Desktop Processor
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PROS 4
Cores 6 vs 4 (2) 33% more physical cores
Cache 9 MB vs 8 MB (1MB) 11% bigger processor cache memory
Memory Bandwidth 41.6 GB/s vs 34.1 GB/s Memory bandwidth is (7.5GB/s) 18% faster
Thermal Design Power 65 Watts vs 91 Watts Power consumption is (26Watts) 29% lower
CONS 3
Threads 6 vs 8 (2) 25% less logical cores
CPU Clock 2.8 GHz vs 4 GHz Clock speed is (1.2GHz) 30% lower
CPU Turbo Clock 4 GHz vs 4.2 GHz Turbo clock speed is (0.2GHz) 5% lower
2nd Choice
3.1/10 Score 2280
Intel i7-6700K 4-core 4 GHz Socket 1151 91W Desktop Processor
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Intel i7-6700K 4-core 4 GHz Socket 1151 91W Desktop Processor
Benchmark
Full specs
Compatible
To build
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