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InnoReviews

AMD Ryzen 9 7900 vs AMD Ryzen 9 7900X

AMD Ryzen 9 7900
76.1Inno Score
VS
WINNER
AMD Ryzen 9 7900X
79.7Inno Score
78.6Single-core77.4
70.5Multi-core78.5
83.3Gamingspec-based84.6
3 spec wins — AMD Ryzen 9 79006 spec wins — AMD Ryzen 9 7900X

InnoReviews verdict

AMD Ryzen 9 7900X wins this desktop processor face-off, 79.7 to 76.1, pulling ahead mainly in multi-core (+8). AMD Ryzen 9 7900 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 7900

  • 62% lower Base TDP: 65 W vs 170 W
  • Lower launch price: $429 vs $549

Reasons to pick the AMD Ryzen 9 7900X

  • Stronger multi-core score: 79 vs 71
  • 27% higher Base clock: 4.7 GHz vs 3.7 GHz
  • 18% higher Geekbench 6 (multi): 18,500 vs 15,725
  • 17% higher Cinebench R23 (multi): 29,000 vs 24,776

General

General comparison: AMD Ryzen 9 7900 versus AMD Ryzen 9 7900X
SpecAMD Ryzen 9 7900AMD Ryzen 9 7900X
Announced20232022
SocketAM5AM5
Process5 nm5 nm
Base TDP65 W+62%170 W
Max turbo power—230 W
Unlocked multiplierYesYes
Cooler includedNoNo

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 9 7900 versus AMD Ryzen 9 7900X
SpecAMD Ryzen 9 7900AMD Ryzen 9 7900X
Cores1212
Performance cores1212
Efficiency cores00
Threads2424
Base clock3.7 GHz4.7 GHz+27%
Boost clock5.4 GHz5.6 GHz+4%
L2 cache12 MB12 MB
L3 cache64 MB64 MB

Integrated GPU

Integrated GPU comparison: AMD Ryzen 9 7900 versus AMD Ryzen 9 7900X
SpecAMD Ryzen 9 7900AMD Ryzen 9 7900X
iGPUAMD Radeon GraphicsAMD Radeon Graphics (2 CU RDNA 2)
iGPU clock2,200 MHz2,200 MHz

Memory

Memory comparison: AMD Ryzen 9 7900 versus AMD Ryzen 9 7900X
SpecAMD Ryzen 9 7900AMD Ryzen 9 7900X
Memory supportDDR5-5200DDR5-5200
Max memory128 GB128 GB
Memory channels22

Platform

Platform comparison: AMD Ryzen 9 7900 versus AMD Ryzen 9 7900X
SpecAMD Ryzen 9 7900AMD Ryzen 9 7900X
PCIe version55
CPU PCIe lanes2828

Benchmarks

Benchmarks comparison: AMD Ryzen 9 7900 versus AMD Ryzen 9 7900X
SpecAMD Ryzen 9 7900AMD Ryzen 9 7900X
Geekbench 6 (single)2,990+4%Top 19%2,880Top 27%
Geekbench 6 (multi)15,725Top 28%18,500+18%Top 18%
Cinebench R23 (single)1,966Top 26%2,000+2%Top 23%
Cinebench R23 (multi)24,776Top 21%29,000+17%Top 17%
PassMark48,013Top 20%52,500+9%Top 14%

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