How do the scores compare?

Intel Core i5-6600K scores 25.4/100 overall; Intel Core i7-3770 scores 23.7/100. Intel Core i5-6600K wins 7 individual spec rows, Intel Core i7-3770 wins 7.

What are the main differences between the Intel Core i5-6600K and the Intel Core i7-3770?

Intel Core i5-6600K advantages: Stronger Single-core score: 29 vs 23; 100% higher Max memory: 64 GB vs 32 GB; 36% lower process: 14 nm vs 22 nm; 18% higher Geekbench 6 (single): 1,300 vs 1,100; 13% higher Cinebench R23 (single): 1,110 vs 980; Lower launch price: $242 vs $294. Intel Core i7-3770 advantages: 100% higher threads: 8 vs 4; 33% higher L3 cache: 8 MB vs 6 MB; 15% lower Base TDP: 77 W vs 91 W; Has Cooler included — the other doesn't.

Which is cheaper: Intel Core i5-6600K or Intel Core i7-3770?

Intel Core i5-6600K launched cheaper at $242, versus $294 for the Intel Core i7-3770.

Intel Core i5-6600K vs Intel Core i7-3770

WINNER

Intel

Intel Core i5-6600K

$242

Intel

Intel Core i7-3770

$294

29Single-core22.5

24Multi-core24.5

23.8Gaming23.8

7 spec wins — Intel Core i5-6600K7 spec wins — Intel Core i7-3770

InnoReviews verdict

Intel Core i5-6600K wins this desktop processor face-off, 25.4 to 23.7, pulling ahead mainly in Single-core (+7). Intel Core i7-3770 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 i5-6600K

Stronger Single-core score: 29 vs 23
100% higher Max memory: 64 GB vs 32 GB
36% lower process: 14 nm vs 22 nm
18% higher Geekbench 6 (single): 1,300 vs 1,100
13% higher Cinebench R23 (single): 1,110 vs 980
Lower launch price: $242 vs $294

Reasons to pick the Intel Core i7-3770

100% higher threads: 8 vs 4
33% higher L3 cache: 8 MB vs 6 MB
15% lower Base TDP: 77 W vs 91 W
Has Cooler included — the other doesn't

General

General comparison: Intel Core i5-6600K versus Intel Core i7-3770
Spec	Intel Core i5-6600K	Intel Core i7-3770
Announced	2015	2012
Socket	LGA1151	LGA1155
Process	14 nm+36%	22 nm
Base TDP	91 W	77 W+15%
Unlocked multiplier	Yes	No
Cooler included	No	Yes

Cores & Clocks

Cores & Clocks comparison: Intel Core i5-6600K versus Intel Core i7-3770
Spec	Intel Core i5-6600K	Intel Core i7-3770
Cores	4	4
Performance cores	4	4
Efficiency cores	0	0
Threads	4	8+100%
Base clock	3.5 GHz+3%	3.4 GHz
Boost clock	3.9 GHz	3.9 GHz
L2 cache	1 MB	1 MB
L3 cache	6 MB	8 MB+33%

Integrated GPU

Integrated GPU comparison: Intel Core i5-6600K versus Intel Core i7-3770
Spec	Intel Core i5-6600K	Intel Core i7-3770
iGPU	Intel HD Graphics 530	Intel HD Graphics 4000
iGPU clock	1,150 MHz	1,150 MHz

Memory

Memory comparison: Intel Core i5-6600K versus Intel Core i7-3770
Spec	Intel Core i5-6600K	Intel Core i7-3770
Memory support	DDR4-2133 / DDR3L-1600	DDR3-1600
Max memory	64 GB+100%	32 GB
Memory channels	2	2

Platform

Platform comparison: Intel Core i5-6600K versus Intel Core i7-3770
Spec	Intel Core i5-6600K	Intel Core i7-3770
PCIe version	3	3
CPU PCIe lanes	16	16

Benchmarks

Benchmarks comparison: Intel Core i5-6600K versus Intel Core i7-3770
Spec	Intel Core i5-6600K	Intel Core i7-3770
Geekbench 6 (single)	1,300+18%Top 77%	1,100Top 91%
Geekbench 6 (multi)	3,350Top 90%	3,550+6%Top 88%
Cinebench R23 (single)	1,110+13%Top 78%	980Top 88%
Cinebench R23 (multi)	4,050Top 90%	4,100+1%Top 89%
PassMark	6,400Top 89%	7,000+9%Top 88%

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