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InnoReviews

AMD Ryzen 7 7840HS vs AMD Ryzen 7 H 255

WINNER
AMD Ryzen 7 7840HS
59.2Inno Score
VS
AMD Ryzen 7 H 255
57.3Inno Score
61.5Single-core59.8
51.2Multi-core51
65.4Efficiencyspec-based53.8
68.5iGPU71.7
61.8Platformspec-based61.8
6 spec wins — AMD Ryzen 7 7840HS3 spec wins — AMD Ryzen 7 H 255

InnoReviews verdict

AMD Ryzen 7 7840HS wins this laptop processor face-off, 59.2 to 57.3, pulling ahead mainly in single-core (+2) and multi-core (+0). AMD Ryzen 7 H 255 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 7 7840HS

  • 22% lower Base TDP: 35 W vs 45 W

Reasons to pick the AMD Ryzen 7 H 255

  • Stronger iGPU score: 72 vs 69
  • 16% higher 3DMark Time Spy Graphics (iGPU): 3,077 vs 2,659

General

General comparison: AMD Ryzen 7 7840HS versus AMD Ryzen 7 H 255
SpecAMD Ryzen 7 7840HSAMD Ryzen 7 H 255
Announced20232025
Process4 nm4 nm
Base TDP35 W+22%45 W
Max TDP54 W54 W

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 7 7840HS versus AMD Ryzen 7 H 255
SpecAMD Ryzen 7 7840HSAMD Ryzen 7 H 255
Cores88
Performance cores88
Efficiency cores—0
Threads1616
Base clock3.8 GHz3.8 GHz
Boost clock5.1 GHz+4%4.9 GHz
L3 cache16 MB16 MB

Integrated GPU

Integrated GPU comparison: AMD Ryzen 7 7840HS versus AMD Ryzen 7 H 255
SpecAMD Ryzen 7 7840HSAMD Ryzen 7 H 255
iGPUAMD Radeon 780MAMD Radeon 780M
iGPU clock2,700 MHz2,600 MHz

Memory

Memory comparison: AMD Ryzen 7 7840HS versus AMD Ryzen 7 H 255
SpecAMD Ryzen 7 7840HSAMD Ryzen 7 H 255
Memory supportLPDDR5X-7500 / DDR5-5600LPDDR5X-7500 / DDR5-5600
Max memory256 GB256 GB

Benchmarks

Benchmarks comparison: AMD Ryzen 7 7840HS versus AMD Ryzen 7 H 255
SpecAMD Ryzen 7 7840HSAMD Ryzen 7 H 255
Geekbench 6 (single)2,610+3%Top 42%2,546Top 48%
Geekbench 6 (multi)12,600Top 40%12,670+1%Top 39%
Cinebench R23 (single)1,760+3%Top 44%1,708Top 50%
Cinebench R23 (multi)16,600+3%Top 30%16,137Top 32%
PassMark28,241Top 24%28,205Top 25%
3DMark Time Spy Graphics (iGPU)2,659Top 23%3,077+16%Top 17%

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