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InnoReviews

AMD Ryzen 9 PRO 9945 vs AMD Ryzen 9 PRO 9965X3D

AMD Ryzen 9 PRO 9945
81.4Inno Score
VS
WINNER
AMD Ryzen 9 PRO 9965X3D
86.3Inno Score
86.4Single-core71.5
76.9Multi-core91.9
83.3Gamingspec-based93.8
4 spec wins — AMD Ryzen 9 PRO 994510 spec wins — AMD Ryzen 9 PRO 9965X3D

InnoReviews verdict

AMD Ryzen 9 PRO 9965X3D wins this desktop processor face-off, 86.3 to 81.4, pulling ahead mainly in multi-core (+15). AMD Ryzen 9 PRO 9945 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 PRO 9945

  • Stronger single-core score: 86 vs 72
  • 62% lower Base TDP: 65 W vs 170 W
  • 17% higher CPU PCIe lanes: 28 vs 24
  • 15% higher PassMark (single thread): 4,619 vs 4,031
  • Has Cooler included — the other doesn't

Reasons to pick the AMD Ryzen 9 PRO 9965X3D

  • Stronger multi-core score: 92 vs 77
  • 100% higher L3 cache: 128 MB vs 64 MB
  • 33% higher cores: 16 vs 12
  • 33% higher Performance cores: 16 vs 12
  • 33% higher threads: 32 vs 24

General

General comparison: AMD Ryzen 9 PRO 9945 versus AMD Ryzen 9 PRO 9965X3D
SpecAMD Ryzen 9 PRO 9945AMD Ryzen 9 PRO 9965X3D
Announced20252026
SocketAM5AM5
Process4 nm4 nm
Base TDP65 W+62%170 W
Max turbo power—200 W
Unlocked multiplierNoNo
Cooler includedYesNo

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 9 PRO 9945 versus AMD Ryzen 9 PRO 9965X3D
SpecAMD Ryzen 9 PRO 9945AMD Ryzen 9 PRO 9965X3D
Cores1216+33%
Performance cores1216+33%
Efficiency cores00
Threads2432+33%
Base clock3.4 GHz4.3 GHz+26%
Boost clock5.4 GHz5.5 GHz+2%
L2 cache12 MB16 MB+33%
L3 cache64 MB128 MB+100%

Integrated GPU

Integrated GPU comparison: AMD Ryzen 9 PRO 9945 versus AMD Ryzen 9 PRO 9965X3D
SpecAMD Ryzen 9 PRO 9945AMD Ryzen 9 PRO 9965X3D
iGPUAMD Radeon Graphics (2 CU)AMD Radeon Graphics (2 CU RDNA 2)
iGPU clock2,200 MHz2,200 MHz

Memory

Memory comparison: AMD Ryzen 9 PRO 9945 versus AMD Ryzen 9 PRO 9965X3D
SpecAMD Ryzen 9 PRO 9945AMD Ryzen 9 PRO 9965X3D
Memory supportDDR5-5600DDR5-5600
Max memory192 GB256 GB+33%
Memory channels22

Platform

Platform comparison: AMD Ryzen 9 PRO 9945 versus AMD Ryzen 9 PRO 9965X3D
SpecAMD Ryzen 9 PRO 9945AMD Ryzen 9 PRO 9965X3D
PCIe version55
CPU PCIe lanes28+17%24

Benchmarks

Benchmarks comparison: AMD Ryzen 9 PRO 9945 versus AMD Ryzen 9 PRO 9965X3D
SpecAMD Ryzen 9 PRO 9945AMD Ryzen 9 PRO 9965X3D
PassMark48,664Top 15%60,597+25%Top 6%
PassMark (single thread)4,619+15%Top 10%4,031Top 28%
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