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AMD Ryzen 9 7945HX vs AMD Ryzen 9 9955HX

AMD Ryzen 9 7945HX
65.4Inno Score
VS
WINNER
A
72.4Inno Score
63.7Single-core70.9
71.2Multi-core81.4
40Efficiency42.2
72iGPU72
75.4Platform84.3
0 spec wins — AMD Ryzen 9 7945HX8 spec wins — AMD Ryzen 9 9955HX

InnoReviews verdict

AMD Ryzen 9 9955HX wins this laptop processor face-off, 72.4 to 65.4, pulling ahead mainly in Multi-core (+10) and platform (+9). AMD Ryzen 9 7945HX 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 7945HX

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

Reasons to pick the AMD Ryzen 9 9955HX

  • Stronger Single-core score: 71 vs 64
  • Stronger Multi-core score: 81 vs 71
  • Stronger platform score: 84 vs 75
  • 300% higher Max memory: 256 GB vs 64 GB
  • 20% lower process: 4 nm vs 5 nm

General

General comparison: AMD Ryzen 9 7945HX versus AMD Ryzen 9 9955HX
SpecAMD Ryzen 9 7945HXAMD Ryzen 9 9955HX
Announced20232025
Process5 nm4 nm+20%
Base TDP55 W55 W
Max TDP75 W75 W

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 9 7945HX versus AMD Ryzen 9 9955HX
SpecAMD Ryzen 9 7945HXAMD Ryzen 9 9955HX
Cores1616
Performance cores1616
Threads3232
Base clock2.5 GHz2.5 GHz
Boost clock5.4 GHz5.4 GHz
L3 cache64 MB64 MB

Integrated GPU

Integrated GPU comparison: AMD Ryzen 9 7945HX versus AMD Ryzen 9 9955HX
SpecAMD Ryzen 9 7945HXAMD Ryzen 9 9955HX
iGPUAMD Radeon 610MAMD Radeon 610M
iGPU clock2,200 MHz2,200 MHz

Memory

Memory comparison: AMD Ryzen 9 7945HX versus AMD Ryzen 9 9955HX
SpecAMD Ryzen 9 7945HXAMD Ryzen 9 9955HX
Memory supportDDR5-5200DDR5-5600
Max memory64 GB256 GB+300%

Benchmarks

Benchmarks comparison: AMD Ryzen 9 7945HX versus AMD Ryzen 9 9955HX
SpecAMD Ryzen 9 7945HXAMD Ryzen 9 9955HX
Geekbench 6 (single)2,9003,080+6%
Geekbench 6 (multi)17,20019,500+13%
Cinebench R23 (single)2,0302,150+6%
Cinebench R23 (multi)34,10037,500+10%
PassMark53,00062,000+17%

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