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Intel Core i5-9600K vs Intel Core i7-8700K

Intel Core i5-9600K
32.7Inno Score
VS
WINNER
Intel Core i7-8700K
36.2Inno Score
38.2Single-core36.8
29.9Multi-core34.4
31Gamingspec-based38.5
3 spec wins — Intel Core i5-9600K5 spec wins — Intel Core i7-8700K

InnoReviews verdict

Intel Core i7-8700K wins this desktop processor face-off, 36.2 to 32.7, pulling ahead mainly in multi-core (+5). Intel Core i5-9600K still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the Intel Core i5-9600K

  • 100% higher Max memory: 128 GB vs 64 GB
  • Lower launch price: $262 vs $359

Reasons to pick the Intel Core i7-8700K

  • Stronger multi-core score: 34 vs 30
  • 100% higher threads: 12 vs 6
  • 37% higher Cinebench R23 (multi): 9,200 vs 6,700
  • 33% higher L3 cache: 12 MB vs 9 MB
  • 27% higher PassMark: 13,555 vs 10,653

General

General comparison: Intel Core i5-9600K versus Intel Core i7-8700K
SpecIntel Core i5-9600KIntel Core i7-8700K
Announced20182017
SocketLGA1151-v2LGA1151-v2
Process14 nm14 nm
Base TDP95 W95 W
Max turbo power119 W—
Unlocked multiplierYesYes
Cooler includedNoNo

Cores & Clocks

Cores & Clocks comparison: Intel Core i5-9600K versus Intel Core i7-8700K
SpecIntel Core i5-9600KIntel Core i7-8700K
Cores66
Performance cores66
Efficiency cores00
Threads612+100%
Base clock3.7 GHz3.7 GHz
Boost clock4.6 GHz4.7 GHz+2%
L2 cache1.5 MB1.5 MB
L3 cache9 MB12 MB+33%

Integrated GPU

Integrated GPU comparison: Intel Core i5-9600K versus Intel Core i7-8700K
SpecIntel Core i5-9600KIntel Core i7-8700K
iGPUIntel UHD Graphics 630Intel UHD Graphics 630
iGPU clock1,150 MHz1,200 MHz

Memory

Memory comparison: Intel Core i5-9600K versus Intel Core i7-8700K
SpecIntel Core i5-9600KIntel Core i7-8700K
Memory supportDDR4-2666DDR4-2666
Max memory128 GB+100%64 GB
Memory channels22

Platform

Platform comparison: Intel Core i5-9600K versus Intel Core i7-8700K
SpecIntel Core i5-9600KIntel Core i7-8700K
PCIe version33
CPU PCIe lanes1616

Benchmarks

Benchmarks comparison: Intel Core i5-9600K versus Intel Core i7-8700K
SpecIntel Core i5-9600KIntel Core i7-8700K
Cinebench R23 (single)—1,270Bottom 27%
Cinebench R23 (multi)6,700Bottom 17%9,200+37%Bottom 27%
PassMark10,653Bottom 20%13,555+27%Bottom 26%
PassMark (single thread)2,720Bottom 32%2,713Bottom 31%
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