AMD Ryzen 9 9955HX vs Apple M4 Max (16-core)
76.4Single-core84.9
81.5Multi-core79.8
42.2Efficiencyspec-based93.3
32iGPU—
84.3Platformspec-based60
7 spec wins — AMD Ryzen 9 9955HX5 spec wins — Apple M4 Max (16-core)
InnoReviews verdict
Apple M4 Max (16-core) wins this laptop processor face-off, 80.2 to 69.8, pulling ahead mainly in single-core (+9). AMD Ryzen 9 9955HX 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 9955HX
- 100% higher threads: 32 vs 16
- 100% higher Max memory: 256 GB vs 128 GB
- 34% higher Cinebench R23 (multi): 36,882 vs 27,595
- 33% higher Performance cores: 16 vs 12
- 28% higher PassMark: 56,261 vs 43,917
Reasons to pick the Apple M4 Max (16-core)
- Stronger single-core score: 85 vs 76
- 33% higher Geekbench 6 (multi): 25,760 vs 19,433
- 25% lower process: 3 nm vs 4 nm
- 20% higher Geekbench 6 (single): 3,880 vs 3,230
General
| Spec | AMD Ryzen 9 9955HX | Apple M4 Max (16-core) |
|---|---|---|
| Announced | 2025 | 2024 |
| Process | 4 nm | 3 nm+25% |
| Base TDP | 55 W | — |
| Max TDP | 75 W | — |
Cores & Clocks
| Spec | AMD Ryzen 9 9955HX | Apple M4 Max (16-core) |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 16+33% | 12 |
| Efficiency cores | — | 4 |
| Threads | 32+100% | 16 |
| Base clock | 2.5 GHz | — |
| Boost clock | 5.4 GHz+20% | 4.5 GHz |
| L3 cache | 64 MB | — |
Integrated GPU
| Spec | AMD Ryzen 9 9955HX | Apple M4 Max (16-core) |
|---|---|---|
| iGPU | AMD Radeon 610M | Apple 40-core GPU |
| iGPU clock | 2,200 MHz | — |
Memory
| Spec | AMD Ryzen 9 9955HX | Apple M4 Max (16-core) |
|---|---|---|
| Memory support | DDR5-5600 | LPDDR5X-8533 |
| Max memory | 256 GB+100% | 128 GB |
Benchmarks
| Spec | AMD Ryzen 9 9955HX | Apple M4 Max (16-core) |
|---|---|---|
| Geekbench 6 (single) | 3,230Top 8% | 3,880+20%Top 4% |
| Geekbench 6 (multi) | 19,433Top 7% | 25,760+33%Top 2% |
| Cinebench R23 (single) | 2,174Top 5% | 2,209+2%Top 2% |
| Cinebench R23 (multi) | 36,882+34%Top 2% | 27,595Top 10% |
| PassMark | 56,261+28%Top 4% | 43,917Top 10% |
| PassMark (single thread) | 4,390Top 10% | 4,589+5%Top 6% |
| 3DMark Time Spy Graphics (iGPU) | 515Bottom 9% | — |
Related comparisons
AMD Ryzen 9 9955HXvs Intel Core Ultra X9 388HVSAMD Ryzen 9 9955HXvs Apple M5 (10-core)VSAMD Ryzen 9 9955HXvs AMD Ryzen 9 9955HX3DVSAMD Ryzen 9 9955HXvs AMD Ryzen AI Max+ 392VSApple M4 Max (16-core)vs Qualcomm Snapdragon X2 Elite ExtremeVSApple M4 Max (16-core)vs Apple M6 (12-core)VSApple M4 Max (16-core)vs Apple M4 Pro (14-core)VSApple M4 Max (16-core)vs AMD Ryzen AI Max+ PRO 495VS