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InnoReviews

AMD Ryzen 9 7945HX vs AMD Ryzen 9 8945H

WINNER
AMD Ryzen 9 7945HX
64.7Inno Score
VS
A
57.3Inno Score
69.9Single-core63.6
76.1Multi-core52.5
40Efficiencyspec-based53.8
32.6iGPU—
75.4Platformspec-based61.8
11 spec wins — AMD Ryzen 9 7945HX5 spec wins — AMD Ryzen 9 8945H

InnoReviews verdict

AMD Ryzen 9 7945HX wins this laptop processor face-off, 64.7 to 57.3, pulling ahead mainly in multi-core (+24) and single-core (+6). AMD Ryzen 9 8945H 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

  • Stronger single-core score: 70 vs 64
  • Stronger multi-core score: 76 vs 53
  • 300% higher L3 cache: 64 MB vs 16 MB
  • 100% higher cores: 16 vs 8
  • 100% higher Performance cores: 16 vs 8

Reasons to pick the AMD Ryzen 9 8945H

  • 300% higher Max memory: 256 GB vs 64 GB
  • 60% higher Base clock: 4 GHz vs 2.5 GHz
  • 20% lower process: 4 nm vs 5 nm
  • 18% lower Base TDP: 45 W vs 55 W

General

General comparison: AMD Ryzen 9 7945HX versus AMD Ryzen 9 8945H
SpecAMD Ryzen 9 7945HXAMD Ryzen 9 8945H
Announced20232024
Process5 nm4 nm+20%
Base TDP55 W45 W+18%
Max TDP75 W+39%54 W

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 9 7945HX versus AMD Ryzen 9 8945H
SpecAMD Ryzen 9 7945HXAMD Ryzen 9 8945H
Cores16+100%8
Performance cores16+100%8
Efficiency cores—0
Threads32+100%16
Base clock2.5 GHz4 GHz+60%
Boost clock5.4 GHz+4%5.2 GHz
L3 cache64 MB+300%16 MB

Integrated GPU

Integrated GPU comparison: AMD Ryzen 9 7945HX versus AMD Ryzen 9 8945H
SpecAMD Ryzen 9 7945HXAMD Ryzen 9 8945H
iGPUAMD Radeon 610MAMD Radeon 780M
iGPU clock2,200 MHz2,800 MHz

Memory

Memory comparison: AMD Ryzen 9 7945HX versus AMD Ryzen 9 8945H
SpecAMD Ryzen 9 7945HXAMD Ryzen 9 8945H
Memory supportDDR5-5200LPDDR5X-7500 / DDR5-5600
Max memory64 GB256 GB+300%

Benchmarks

Benchmarks comparison: AMD Ryzen 9 7945HX versus AMD Ryzen 9 8945H
SpecAMD Ryzen 9 7945HXAMD Ryzen 9 8945H
Geekbench 6 (single)2,900+7%Top 22%2,702Top 38%
Geekbench 6 (multi)17,200+36%Top 16%12,650Top 39%
Cinebench R23 (single)2,030+12%Top 19%1,813Top 35%
Cinebench R23 (multi)34,100+94%Top 6%17,604Top 22%
PassMark53,778+79%Top 7%30,083Top 21%
3DMark Time Spy Graphics (iGPU)528Bottom 19%—

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