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AMD Ryzen 5 8400F vs Intel Core i7-5820K

AMD Ryzen 5 8400F
—Inno Score
VS
Intel Core i7-5820K
29.1Inno Score
—Single-core20.7
46.4Multi-core30.2
45.5Gamingspec-based37.1
11 spec wins — AMD Ryzen 5 8400F2 spec wins — Intel Core i7-5820K

InnoReviews verdict

No overall winner yet: AMD Ryzen 5 8400F lacks the published benchmark results an Inno Score requires, so there is no Inno Score to compare — we don't rank chips on their spec sheet alone. The spec table below still shows every difference we track.

Which would you pick?

Key differences

Reasons to pick the AMD Ryzen 5 8400F

  • Stronger multi-core score: 46 vs 30
  • 300% higher L2 cache: 6 MB vs 2 MB
  • 300% higher Max memory: 256 GB vs 64 GB
  • 92% higher PassMark: 24,372 vs 12,700
  • 82% lower process: 4 nm vs 22 nm
  • Lower launch price: $170 vs $389

Reasons to pick the Intel Core i7-5820K

  • 100% higher Memory channels: 4 vs 2
  • 40% higher CPU PCIe lanes: 28 vs 20

General

General comparison: AMD Ryzen 5 8400F versus Intel Core i7-5820K
SpecAMD Ryzen 5 8400FIntel Core i7-5820K
Announced20242014
SocketAM5LGA2011-v3
Process4 nm+82%22 nm
Base TDP65 W+54%140 W
Max turbo power88 W—
Unlocked multiplierYesYes
Cooler includedYesNo

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 5 8400F versus Intel Core i7-5820K
SpecAMD Ryzen 5 8400FIntel Core i7-5820K
Cores66
Performance cores66
Efficiency cores00
Threads1212
Base clock4.2 GHz+27%3.3 GHz
Boost clock4.7 GHz+31%3.6 GHz
L2 cache6 MB+300%2 MB
L3 cache16 MB+7%15 MB

Memory

Memory comparison: AMD Ryzen 5 8400F versus Intel Core i7-5820K
SpecAMD Ryzen 5 8400FIntel Core i7-5820K
Memory supportDDR5-5200DDR4-2133
Max memory256 GB+300%64 GB
Memory channels24+100%

Platform

Platform comparison: AMD Ryzen 5 8400F versus Intel Core i7-5820K
SpecAMD Ryzen 5 8400FIntel Core i7-5820K
PCIe version4+33%3
CPU PCIe lanes2028+40%

Benchmarks

Benchmarks comparison: AMD Ryzen 5 8400F versus Intel Core i7-5820K
SpecAMD Ryzen 5 8400FIntel Core i7-5820K
Geekbench 6 (single)—1,040Bottom 6%
Geekbench 6 (multi)—5,100Bottom 24%
Cinebench R23 (single)—890Bottom 5%
Cinebench R23 (multi)—6,400Bottom 19%
PassMark24,372+92%Bottom 45%12,700Bottom 20%

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