AMD Ryzen 9 9955HX vs Apple M5 Pro (18-core)
76.4Single-core91.5
81.5Multi-core94.8
42.2Efficiencyspec-based93.3
32iGPU—
84.3Platformspec-based57.5
4 spec wins — AMD Ryzen 9 9955HX9 spec wins — Apple M5 Pro (18-core)
InnoReviews verdict
Apple M5 Pro (18-core) wins this laptop processor face-off, 87.4 to 69.8, pulling ahead mainly in single-core (+15) and multi-core (+13). 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
- 300% higher Max memory: 256 GB vs 64 GB
- 167% higher L3 cache: 64 MB vs 24 MB
- 78% higher threads: 32 vs 18
- 17% higher Boost clock: 5.4 GHz vs 4.6 GHz
Reasons to pick the Apple M5 Pro (18-core)
- Stronger single-core score: 92 vs 76
- Stronger multi-core score: 95 vs 82
- 76% higher Base clock: 4.4 GHz vs 2.5 GHz
- 46% higher Geekbench 6 (multi): 28,436 vs 19,433
- 35% higher PassMark (single thread): 5,933 vs 4,390
General
| Spec | AMD Ryzen 9 9955HX | Apple M5 Pro (18-core) |
|---|---|---|
| Announced | 2025 | 2026 |
| Process | 4 nm | 3 nm+25% |
| Base TDP | 55 W | — |
| Max TDP | 75 W | — |
Cores & Clocks
| Spec | AMD Ryzen 9 9955HX | Apple M5 Pro (18-core) |
|---|---|---|
| Cores | 16 | 18+13% |
| Performance cores | 16 | 18+13% |
| Efficiency cores | — | 0 |
| Threads | 32+78% | 18 |
| Base clock | 2.5 GHz | 4.4 GHz+76% |
| Boost clock | 5.4 GHz+17% | 4.6 GHz |
| L3 cache | 64 MB+167% | 24 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9955HX | Apple M5 Pro (18-core) |
|---|---|---|
| iGPU | AMD Radeon 610M | Apple 20-core GPU |
| iGPU clock | 2,200 MHz | — |
Memory
| Spec | AMD Ryzen 9 9955HX | Apple M5 Pro (18-core) |
|---|---|---|
| Memory support | DDR5-5600 | LPDDR5X-9600 |
| Max memory | 256 GB+300% | 64 GB |
Benchmarks
| Spec | AMD Ryzen 9 9955HX | Apple M5 Pro (18-core) |
|---|---|---|
| Geekbench 6 (single) | 3,230Top 8% | 4,295+33%Top 2% |
| Geekbench 6 (multi) | 19,433Top 7% | 28,436+46%Top 1% |
| Cinebench R23 (single) | 2,174Top 5% | — |
| Cinebench R23 (multi) | 36,882Top 2% | — |
| PassMark | 56,261Top 4% | 57,150+2%Top 3% |
| PassMark (single thread) | 4,390Top 10% | 5,933+35%Top 2% |
| 3DMark Time Spy Graphics (iGPU) | 515Bottom 9% | — |
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