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InnoReviews

AMD Ryzen 7 7840U vs AMD Ryzen 9 8945H

WINNER
AMD Ryzen 7 7840U
59Inno Score
VS
A
57.3Inno Score
60.8Single-core63.6
47.5Multi-core52.5
73.5Efficiencyspec-based53.8
68.5iGPU—
61.8Platformspec-based61.8
1 spec wins — AMD Ryzen 7 7840U9 spec wins — AMD Ryzen 9 8945H

InnoReviews verdict

AMD Ryzen 7 7840U wins this laptop processor face-off, 59 to 57.3. 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 7 7840U

  • 38% lower Base TDP: 28 W vs 45 W

Reasons to pick the AMD Ryzen 9 8945H

  • Stronger multi-core score: 53 vs 48
  • 80% higher Max TDP: 54 W vs 30 W
  • 23% higher PassMark: 30,083 vs 24,388
  • 21% higher Base clock: 4 GHz vs 3.3 GHz
  • 21% higher Cinebench R23 (multi): 17,604 vs 14,500

General

General comparison: AMD Ryzen 7 7840U versus AMD Ryzen 9 8945H
SpecAMD Ryzen 7 7840UAMD Ryzen 9 8945H
Announced20232024
Process4 nm4 nm
Base TDP28 W+38%45 W
Max TDP30 W54 W+80%

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 7 7840U versus AMD Ryzen 9 8945H
SpecAMD Ryzen 7 7840UAMD Ryzen 9 8945H
Cores88
Performance cores88
Efficiency cores—0
Threads1616
Base clock3.3 GHz4 GHz+21%
Boost clock5.1 GHz5.2 GHz+2%
L3 cache16 MB16 MB

Integrated GPU

Integrated GPU comparison: AMD Ryzen 7 7840U versus AMD Ryzen 9 8945H
SpecAMD Ryzen 7 7840UAMD Ryzen 9 8945H
iGPUAMD Radeon 780MAMD Radeon 780M
iGPU clock2,700 MHz2,800 MHz

Memory

Memory comparison: AMD Ryzen 7 7840U versus AMD Ryzen 9 8945H
SpecAMD Ryzen 7 7840UAMD Ryzen 9 8945H
Memory supportLPDDR5X-7500 / DDR5-5600LPDDR5X-7500 / DDR5-5600
Max memory256 GB256 GB

Benchmarks

Benchmarks comparison: AMD Ryzen 7 7840U versus AMD Ryzen 9 8945H
SpecAMD Ryzen 7 7840UAMD Ryzen 9 8945H
Geekbench 6 (single)2,580Top 45%2,702+5%Top 38%
Geekbench 6 (multi)11,700Top 47%12,650+8%Top 39%
Cinebench R23 (single)1,740Top 48%1,813+4%Top 35%
Cinebench R23 (multi)14,500Top 39%17,604+21%Top 22%
PassMark24,388Top 37%30,083+23%Top 21%
3DMark Time Spy Graphics (iGPU)2,659Top 23%—

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