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AMD Ryzen 9 9955HX vs Intel Core i7-1255U

WINNER
A
72.4Inno Score
VS
I
37.8Inno Score
70.9Single-core35.6
81.4Multi-core20
42.2Efficiency75.3
72iGPU34
84.3Platform47.7
16 spec wins — AMD Ryzen 9 9955HX1 spec wins — Intel Core i7-1255U

InnoReviews verdict

AMD Ryzen 9 9955HX wins this laptop processor face-off, 72.4 to 37.8, pulling ahead mainly in Multi-core (+61) and iGPU (+38). Intel Core i7-1255U 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 9955HX

  • Stronger Single-core score: 71 vs 36
  • Stronger Multi-core score: 81 vs 20
  • Stronger iGPU score: 72 vs 34
  • Stronger platform score: 84 vs 48
  • 700% higher Performance cores: 16 vs 2

Reasons to pick the Intel Core i7-1255U

  • Stronger efficiency score: 75 vs 42
  • 73% lower Base TDP: 15 W vs 55 W

General

General comparison: AMD Ryzen 9 9955HX versus Intel Core i7-1255U
SpecAMD Ryzen 9 9955HXIntel Core i7-1255U
Announced20252022
Process4 nm+60%10 nm
Base TDP55 W15 W+73%
Max TDP75 W+36%55 W

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 9 9955HX versus Intel Core i7-1255U
SpecAMD Ryzen 9 9955HXIntel Core i7-1255U
Cores16+60%10
Performance cores16+700%2
Efficiency cores—8
Threads32+167%12
Base clock2.5 GHz+47%1.7 GHz
Boost clock5.4 GHz+15%4.7 GHz
L3 cache64 MB+433%12 MB

Integrated GPU

Integrated GPU comparison: AMD Ryzen 9 9955HX versus Intel Core i7-1255U
SpecAMD Ryzen 9 9955HXIntel Core i7-1255U
iGPUAMD Radeon 610MIntel Iris Xe (96 EU)
iGPU clock2,200 MHz+76%1,250 MHz

Memory

Memory comparison: AMD Ryzen 9 9955HX versus Intel Core i7-1255U
SpecAMD Ryzen 9 9955HXIntel Core i7-1255U
Memory supportDDR5-5600LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267
Max memory256 GB+300%64 GB

Benchmarks

Benchmarks comparison: AMD Ryzen 9 9955HX versus Intel Core i7-1255U
SpecAMD Ryzen 9 9955HXIntel Core i7-1255U
Geekbench 6 (single)3,080+45%2,130
Geekbench 6 (multi)19,500+195%6,600
Cinebench R23 (single)2,150+34%1,600
Cinebench R23 (multi)37,500+451%6,800
PassMark62,000+377%13,000

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