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AMD Ryzen 9 7940HX vs AMD Ryzen 9 8945H

WINNER
AMD Ryzen 9 7940HX
64.8Inno Score
VS
A
57.3Inno Score
64Single-core63.6
71.4Multi-core52.5
40Efficiencyspec-based53.8
75.4Platformspec-based61.8
9 spec wins — AMD Ryzen 9 7940HX5 spec wins — AMD Ryzen 9 8945H

InnoReviews verdict

AMD Ryzen 9 7940HX wins this laptop processor face-off, 64.8 to 57.3, pulling ahead mainly in multi-core (+19) and single-core (+0). 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 7940HX

  • Stronger multi-core score: 71 vs 53
  • 300% higher L3 cache: 64 MB vs 16 MB
  • 100% higher cores: 16 vs 8
  • 100% higher Performance cores: 16 vs 8
  • 100% higher threads: 32 vs 16

Reasons to pick the AMD Ryzen 9 8945H

  • 300% higher Max memory: 256 GB vs 64 GB
  • 67% higher Base clock: 4 GHz vs 2.4 GHz
  • 20% lower process: 4 nm vs 5 nm
  • 18% lower Base TDP: 45 W vs 55 W

General

General comparison: AMD Ryzen 9 7940HX versus AMD Ryzen 9 8945H
SpecAMD Ryzen 9 7940HXAMD Ryzen 9 8945H
Announced20242024
Process5 nm4 nm+20%
Base TDP55 W45 W+18%
Max TDP75 W+39%54 W

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 9 7940HX versus AMD Ryzen 9 8945H
SpecAMD Ryzen 9 7940HXAMD Ryzen 9 8945H
Cores16+100%8
Performance cores16+100%8
Efficiency cores00
Threads32+100%16
Base clock2.4 GHz4 GHz+67%
Boost clock5.2 GHz5.2 GHz
L3 cache64 MB+300%16 MB

Integrated GPU

Integrated GPU comparison: AMD Ryzen 9 7940HX versus AMD Ryzen 9 8945H
SpecAMD Ryzen 9 7940HXAMD Ryzen 9 8945H
iGPUAMD Radeon 610MAMD Radeon 780M
iGPU clock2,200 MHz2,800 MHz

Memory

Memory comparison: AMD Ryzen 9 7940HX versus AMD Ryzen 9 8945H
SpecAMD Ryzen 9 7940HXAMD Ryzen 9 8945H
Memory supportDDR5-5200LPDDR5X-7500 / DDR5-5600
Max memory64 GB256 GB+300%

Benchmarks

Benchmarks comparison: AMD Ryzen 9 7940HX versus AMD Ryzen 9 8945H
SpecAMD Ryzen 9 7940HXAMD Ryzen 9 8945H
Geekbench 6 (single)2,751+2%Top 33%2,702Top 38%
Geekbench 6 (multi)16,094+27%Top 19%12,650Top 40%
Cinebench R23 (single)1,807Top 39%1,813Top 37%
Cinebench R23 (multi)29,400+67%Top 8%17,604Top 24%
PassMark52,889+76%Top 7%30,083Top 22%

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