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AMD Ryzen 9 5900X vs Intel Core i7-5820K

WINNER
AMD Ryzen 9 5900X
64.1Inno Score
VS
Intel Core i7-5820K
29.1Inno Score
54.4Single-core20.7
62.1Multi-core30.2
79.6Gaming37.1
17 spec wins — AMD Ryzen 9 5900X2 spec wins — Intel Core i7-5820K

InnoReviews verdict

AMD Ryzen 9 5900X wins this desktop processor face-off, 64.1 to 29.1, pulling ahead mainly in gaming (+42) and Single-core (+34). Intel Core i7-5820K still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the AMD Ryzen 9 5900X

  • Stronger Single-core score: 54 vs 21
  • Stronger Multi-core score: 62 vs 30
  • Stronger gaming score: 80 vs 37
  • 327% higher L3 cache: 64 MB vs 15 MB
  • 300% higher L2 cache: 6 MB vs 2 MB

Reasons to pick the Intel Core i7-5820K

  • 100% higher Memory channels: 4 vs 2
  • 17% higher CPU PCIe lanes: 28 vs 24
  • Lower launch price: $389 vs $549

General

General comparison: AMD Ryzen 9 5900X versus Intel Core i7-5820K
SpecAMD Ryzen 9 5900XIntel Core i7-5820K
Announced20202014
SocketAM4LGA2011-v3
Process7 nm+68%22 nm
Base TDP105 W+25%140 W
Max turbo power142 W
Unlocked multiplierYesYes
Cooler includedNoNo

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 9 5900X versus Intel Core i7-5820K
SpecAMD Ryzen 9 5900XIntel Core i7-5820K
Cores12+100%6
Performance cores12+100%6
Efficiency cores00
Threads24+100%12
Base clock3.7 GHz+12%3.3 GHz
Boost clock4.8 GHz+33%3.6 GHz
L2 cache6 MB+300%2 MB
L3 cache64 MB+327%15 MB

Memory

Memory comparison: AMD Ryzen 9 5900X versus Intel Core i7-5820K
SpecAMD Ryzen 9 5900XIntel Core i7-5820K
Memory supportDDR4-3200DDR4-2133
Max memory128 GB+100%64 GB
Memory channels24+100%

Platform

Platform comparison: AMD Ryzen 9 5900X versus Intel Core i7-5820K
SpecAMD Ryzen 9 5900XIntel Core i7-5820K
PCIe version4+33%3
CPU PCIe lanes2428+17%

Benchmarks

Benchmarks comparison: AMD Ryzen 9 5900X versus Intel Core i7-5820K
SpecAMD Ryzen 9 5900XIntel Core i7-5820K
Geekbench 6 (single)2,100+102%Top 32%1,040Top 95%
Geekbench 6 (multi)13,500+165%Top 24%5,100Top 73%
Cinebench R23 (single)1,600+80%Top 39%890Top 96%
Cinebench R23 (multi)21,700+239%Top 20%6,400Top 77%
PassMark39,000+207%Top 16%12,700Top 72%

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