Skip to content
InnoReviews

AMD Ryzen 9 7900X vs AMD Ryzen 9 9900X3D

AMD Ryzen 9 7900X
79.4Inno Score
VS
WINNER
AMD Ryzen 9 9900X3D
91.1Inno Score
77.4Single-core94.9
78Multi-core87
84.6Gamingspec-based93.8
2 spec wins — AMD Ryzen 9 7900X9 spec wins — AMD Ryzen 9 9900X3D

InnoReviews verdict

AMD Ryzen 9 9900X3D wins this desktop processor face-off, 91.1 to 79.4, pulling ahead mainly in single-core (+18) and multi-core (+9). AMD Ryzen 9 7900X 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 7900X

No decisive spec advantages — this side competes on price and preference.

Reasons to pick the AMD Ryzen 9 9900X3D

  • Stronger single-core score: 95 vs 77
  • Stronger multi-core score: 87 vs 78
  • 100% higher L3 cache: 128 MB vs 64 MB
  • 100% higher Max memory: 256 GB vs 128 GB
  • 29% lower Base TDP: 120 W vs 170 W

General

General comparison: AMD Ryzen 9 7900X versus AMD Ryzen 9 9900X3D
SpecAMD Ryzen 9 7900XAMD Ryzen 9 9900X3D
Announced20222025
SocketAM5AM5
Process5 nm4 nm+20%
Base TDP170 W120 W+29%
Max turbo power230 W—
Unlocked multiplierYesYes
Cooler includedNoNo

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 9 7900X versus AMD Ryzen 9 9900X3D
SpecAMD Ryzen 9 7900XAMD Ryzen 9 9900X3D
Cores1212
Performance cores1212
Efficiency cores00
Threads2424
Base clock4.7 GHz+7%4.4 GHz
Boost clock5.6 GHz+2%5.5 GHz
L2 cache12 MB12 MB
L3 cache64 MB128 MB+100%

Integrated GPU

Integrated GPU comparison: AMD Ryzen 9 7900X versus AMD Ryzen 9 9900X3D
SpecAMD Ryzen 9 7900XAMD Ryzen 9 9900X3D
iGPUAMD Radeon Graphics (2 CU RDNA 2)AMD Radeon Graphics (2 CU RDNA 2)
iGPU clock2,200 MHz2,200 MHz

Memory

Memory comparison: AMD Ryzen 9 7900X versus AMD Ryzen 9 9900X3D
SpecAMD Ryzen 9 7900XAMD Ryzen 9 9900X3D
Memory supportDDR5-5200DDR5-5600
Max memory128 GB256 GB+100%
Memory channels22

Platform

Platform comparison: AMD Ryzen 9 7900X versus AMD Ryzen 9 9900X3D
SpecAMD Ryzen 9 7900XAMD Ryzen 9 9900X3D
PCIe version55
CPU PCIe lanes2828

Benchmarks

Benchmarks comparison: AMD Ryzen 9 7900X versus AMD Ryzen 9 9900X3D
SpecAMD Ryzen 9 7900XAMD Ryzen 9 9900X3D
Geekbench 6 (single)2,880Top 29%3,388+18%Top 3%
Geekbench 6 (multi)18,500Top 20%20,889+13%Top 10%
Cinebench R23 (single)2,000Top 27%—
Cinebench R23 (multi)29,000Top 20%—
PassMark51,211Top 12%56,050+9%Top 10%
PassMark (single thread)4,225Top 22%4,628+10%Top 11%

Related comparisons

AMD Ryzen 9 7900Xvs Intel Core Ultra 5 250K PlusVSAMD Ryzen 9 7900Xvs Intel Core i7-14700KVSAMD Ryzen 9 7900Xvs AMD Ryzen 7 9850X3DVSAMD Ryzen 9 7900Xvs Intel Core Ultra 5 250KF PlusVSAMD Ryzen 9 9900X3Dvs Intel Core Ultra 7 270K PlusVSAMD Ryzen 9 9900X3Dvs AMD Ryzen Threadripper 7960XVSAMD Ryzen 9 9900X3Dvs Intel Core Ultra 9 285KVSAMD Ryzen 9 9900X3Dvs AMD Ryzen Threadripper 7980XVS

Try another matchup