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AMD Ryzen 9 7945HX vs AMD Ryzen 9 9955HX

AMD Ryzen 9 7945HX
64.7Inno Score
VS
WINNER
AMD Ryzen 9 9955HX
69.5Inno Score
69.9Single-core74.2
76.1Multi-core82
40Efficiencyspec-based42.2
32.6iGPU32.6
75.4Platformspec-based84.3
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, 69.5 to 64.7, pulling ahead mainly in multi-core (+6) and single-core (+4). 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: 74 vs 70
  • Stronger multi-core score: 82 vs 76
  • 300% higher Max memory: 256 GB vs 64 GB
  • 20% lower process: 4 nm vs 5 nm
  • 13% higher Geekbench 6 (multi): 19,500 vs 17,200

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)2,900Top 24%3,080+6%Top 17%
Geekbench 6 (multi)17,200Top 17%19,500+13%Top 12%
Cinebench R23 (single)2,030Top 21%2,150+6%Top 12%
Cinebench R23 (multi)34,100Top 7%37,500+10%Top 3%
PassMark53,778Top 7%56,261+5%Top 5%
3DMark Time Spy Graphics (iGPU)528Bottom 20%528Bottom 20%

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