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Intel Core i3-10100 vs Intel Core i7-5820K

WINNER
I
28.9Inno Score
VS
Intel Core i7-5820K
28.5Inno Score
34.7Single-core20.7
26.4Multi-core29
26.3Gamingspec-based37.1
7 spec wins — Intel Core i3-101007 spec wins — Intel Core i7-5820K

InnoReviews verdict

This one is close to a dead heat: Intel Core i3-10100 scores 28.9 against 28.5 for Intel Core i7-5820K. Pick by the categories that matter to you — Intel Core i3-10100 edges ahead in single-core, or by price.

Which would you pick?

Key differences

Reasons to pick the Intel Core i3-10100

  • Stronger single-core score: 35 vs 21
  • 100% higher Max memory: 128 GB vs 64 GB
  • 54% lower Base TDP: 65 W vs 140 W
  • 36% lower process: 14 nm vs 22 nm
  • 30% higher PassMark (single thread): 2,586 vs 1,992
  • Lower launch price: $134 vs $389

Reasons to pick the Intel Core i7-5820K

  • 150% higher L3 cache: 15 MB vs 6 MB
  • 100% higher Memory channels: 4 vs 2
  • 75% higher CPU PCIe lanes: 28 vs 16
  • 50% higher cores: 6 vs 4
  • 50% higher threads: 12 vs 8

General

General comparison: Intel Core i3-10100 versus Intel Core i7-5820K
SpecIntel Core i3-10100Intel Core i7-5820K
Announced20202014
SocketLGA1200LGA2011-v3
Process14 nm+36%22 nm
Base TDP65 W+54%140 W
Unlocked multiplierNoYes
Cooler included—No

Cores & Clocks

Cores & Clocks comparison: Intel Core i3-10100 versus Intel Core i7-5820K
SpecIntel Core i3-10100Intel Core i7-5820K
Cores46+50%
Performance cores—6
Efficiency cores—0
Threads812+50%
Base clock3.6 GHz+9%3.3 GHz
Boost clock4.3 GHz+19%3.6 GHz
L2 cache—2 MB
L3 cache6 MB15 MB+150%

Integrated GPU

Integrated GPU comparison: Intel Core i3-10100 versus Intel Core i7-5820K
SpecIntel Core i3-10100Intel Core i7-5820K
iGPUIntel UHD Graphics 630—
iGPU clock1,100 MHz—

Memory

Memory comparison: Intel Core i3-10100 versus Intel Core i7-5820K
SpecIntel Core i3-10100Intel Core i7-5820K
Memory supportDDR4-2666DDR4-2133
Max memory128 GB+100%64 GB
Memory channels24+100%

Platform

Platform comparison: Intel Core i3-10100 versus Intel Core i7-5820K
SpecIntel Core i3-10100Intel Core i7-5820K
PCIe version33
CPU PCIe lanes1628+75%

Benchmarks

Benchmarks comparison: Intel Core i3-10100 versus Intel Core i7-5820K
SpecIntel Core i3-10100Intel Core i7-5820K
Geekbench 6 (single)—1,040Bottom 5%
Geekbench 6 (multi)—5,100Bottom 23%
Cinebench R23 (single)—890Bottom 4%
Cinebench R23 (multi)—6,400Bottom 17%
PassMark8,470Bottom 11%9,831+16%Bottom 17%
PassMark (single thread)2,586+30%Bottom 24%1,992Bottom 4%

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