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InnoReviews

AMD Ryzen 5 8645HS vs AMD Ryzen 9 6900HS

AMD Ryzen 5 8645HS
54.4Inno Score
VS
WINNER
AMD Ryzen 9 6900HS
54.5Inno Score
53.1Single-core60.1
45.7Multi-core45.3
65.4Efficiencyspec-based61
65.1iGPU65.3
58.8Platformspec-based52.9
6 spec wins — AMD Ryzen 5 8645HS5 spec wins — AMD Ryzen 9 6900HS

InnoReviews verdict

This one is close to a dead heat: AMD Ryzen 5 8645HS scores 54.4 against 54.5 for AMD Ryzen 9 6900HS. Pick by the categories that matter to you — AMD Ryzen 9 6900HS edges ahead in single-core and iGPU, or by price.

Which would you pick?

Key differences

Reasons to pick the AMD Ryzen 5 8645HS

  • 300% higher Max memory: 256 GB vs 64 GB
  • 33% lower process: 4 nm vs 6 nm
  • 30% higher Base clock: 4.3 GHz vs 3.3 GHz
  • 11% higher PassMark (single thread): 3,550 vs 3,194

Reasons to pick the AMD Ryzen 9 6900HS

  • Stronger single-core score: 60 vs 53
  • 33% higher cores: 8 vs 6
  • 33% higher Performance cores: 8 vs 6
  • 33% higher threads: 16 vs 12

General

General comparison: AMD Ryzen 5 8645HS versus AMD Ryzen 9 6900HS
SpecAMD Ryzen 5 8645HSAMD Ryzen 9 6900HS
Announced20232022
Process4 nm+33%6 nm
Base TDP35 W35 W
Max TDP54 W—

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 5 8645HS versus AMD Ryzen 9 6900HS
SpecAMD Ryzen 5 8645HSAMD Ryzen 9 6900HS
Cores68+33%
Performance cores68+33%
Threads1216+33%
Base clock4.3 GHz+30%3.3 GHz
Boost clock5 GHz+2%4.9 GHz
L3 cache16 MB16 MB

Integrated GPU

Integrated GPU comparison: AMD Ryzen 5 8645HS versus AMD Ryzen 9 6900HS
SpecAMD Ryzen 5 8645HSAMD Ryzen 9 6900HS
iGPUAMD Radeon 760MAMD Radeon 680M
iGPU clock2,600 MHz2,400 MHz

Memory

Memory comparison: AMD Ryzen 5 8645HS versus AMD Ryzen 9 6900HS
SpecAMD Ryzen 5 8645HSAMD Ryzen 9 6900HS
Memory supportLPDDR5X-7500 / DDR5-5600DDR5-4800 / LPDDR5-6400
Max memory256 GB+300%64 GB

Benchmarks

Benchmarks comparison: AMD Ryzen 5 8645HS versus AMD Ryzen 9 6900HS
SpecAMD Ryzen 5 8645HSAMD Ryzen 9 6900HS
Cinebench R23 (single)—1,553Bottom 24%
Cinebench R23 (multi)—13,439Bottom 50%
PassMark21,977Bottom 49%22,716+3%Top 49%
PassMark (single thread)3,550+11%Bottom 42%3,194Bottom 22%
3DMark Time Spy Graphics (iGPU)2,281Top 38%2,303+1%Top 35%

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