AMD
Ryzen 9 9900X
Zen 5 · 12C/24T · 5.6 GHz · AM5
92
/ 100
From $499
VS
Apple M4 Max wins by 5
Apple
Apple M4 Max
16C CPU · 40C GPU · 16-core Neural Engine
97
/ 100
From $1,299
Specdex verdict
Apple M4 Max takes it — here’s why.
In our weighted Specdex score, Ryzen 9 9900X lands at 92 and Apple M4 Max at 97. That puts Apple M4 Max ahead by 5 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Ryzen 9 9900X if…
- ✓12 cores at 5.6 GHz boost
- ✓120 W TDP — cooler than 9950X
- ✓AM5 platform longevity
Pick Apple M4 Max if…
- ✓Industry-best perf-per-watt
- ✓128 GB unified memory option
- ✓Hardware ray-tracing
Ryzen 9 9900X 92
vs 97 Apple M4 Max
Score breakdown
Ryzen 9 9900X
92 single 93
multi 94
gaming 88
efficiency 88
Apple M4 Max
97 single 98
multi 96
gaming 82
efficiency 100
Specs side-by-side
| Spec | Ryzen 9 9900X | Apple M4 Max |
|---|---|---|
| Cores | 12 | ▲ 16 (12P+4E) |
| Threads | ▲ 24 | 16 |
| Base clock | 4.4 GHz | — |
| Boost clock | 5.6 GHz | — |
| L3 cache | 64 MB | — |
| TDP | 120 W | — |
| Socket | AM5 | — |
| Process | TSMC N4X | TSMC N3E |
| iGPU | Radeon Graphics (RDNA 2, 2 CUs) | — |
| Memory | DDR5-5600 dual-channel | — |
| Memory bandwidth | — | 546 GB/s |
| Neural engine | — | 16-core, 38 TOPS |
| Max memory | — | 128 GB unified |
Ryzen 9 9900X
Pros
- +12 cores at 5.6 GHz boost
- +120 W TDP — cooler than 9950X
- +AM5 platform longevity
Cons
- −9950X edges it on multi-thread
- −9800X3D beats it on gaming
- −$499 puts it close to higher-tier
Apple M4 Max
Pros
- +Industry-best perf-per-watt
- +128 GB unified memory option
- +Hardware ray-tracing
Cons
- −Apple ecosystem lock-in
- −Not user-replaceable
- −Limited Windows gaming
FAQ: Ryzen 9 9900X vs Apple M4 Max
Which is better, Ryzen 9 9900X or Apple M4 Max? +
Apple M4 Max scores 97 on our weighted rubric — ahead by 5. Your best pick depends on the sub-scores above.
Is Ryzen 9 9900X worth the price? +
At $499, Ryzen 9 9900X delivers a Specdex score of 92 — strongest in multi.
Is Apple M4 Max worth the price? +
At $1,299, Apple M4 Max delivers a Specdex score of 97 — strongest in efficiency.
Does Ryzen 9 9900X or Apple M4 Max last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.