Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Apple - M4 Max | AMD - Ryzen 9 7900X |
|---|---|---|
| TDP | 55 W | 170 W |
| L3 cache | 32 MB | 64 MB |
| Cores | 16 | 12 |
| Boost clock | 4.5 GHz | 5.6 GHz |
| Cinebench R23 (multi) | 29800 | 29600 |
Between the M4 Max and Ryzen 9 7900X, the M4 Max comes out ahead in tdp / cores, while the Ryzen 9 7900X wins on l3 cache / boost clock. Overall, the M4 Max scores 52.3 and the Ryzen 9 7900X scores 55.6 on our Mars Score.
Which should you buy?
The Ryzen 9 7900X edges ahead on the Mars Score (52.3 vs 55.6), but the 3.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the M4 Max if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are tdp, cores, cinebench r23 (multi). The single most decisive one: TDP — 115.00 W less. 55 vs 170.
Pick the Ryzen 9 7900X if you care most about l3 cache / boost clock. Its strongest claims are l3 cache, boost clock. The single most decisive one: L3 cache — 100.00% more. 64 MB vs 32 MB.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Apple - M4 Max or AMD - Ryzen 9 7900X?
AMD - Ryzen 9 7900X leads the current Mars Score by 3.3 points.The more useful decision is the trade-off behind that result: compare cores, boost clock, tdp against the way you will actually use the product.
Choose Apple - M4 Max if…
Apple - M4 Max has the measurable edge on tdp w, core count, cinebench r23 multi.
Choose AMD - Ryzen 9 7900X if…
AMD - Ryzen 9 7900X has the measurable edge on cache l3 mb, boost clock ghz.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Apple - M4 Max wins
- ▲TDP — 115.00 W less. 55 vs 170.
- ▲Cores — 33.33% more. 16 vs 12.
- ▲Cinebench R23 (multi) — 0.68% more. 29800 vs 29600.
Why AMD - Ryzen 9 7900X wins
- ▲L3 cache — 100.00% more. 64 MB vs 32 MB.
- ▲Boost clock — 24.44% more. 5.6 GHz vs 4.5 GHz.
Spec comparison
Cores
| Spec | Apple - M4 Max | AMD - Ryzen 9 7900X |
|---|---|---|
| Coresⓘ | 16lead | 12 |
| Threadsⓘ | 16 | 24lead |
| Base clockⓘ | 4.7 GHzlead | |
| Boost clockⓘ | 4.5 GHz | 5.6 GHzlead |
| L3 cacheⓘ | 32 MB | 64 MBlead |
Platform
| Spec | Apple - M4 Max | AMD - Ryzen 9 7900X |
|---|---|---|
| Socketⓘ | Soldered | AM5 |
| TDPⓘ | 55 Wlead | 170 W |
| Integrated graphicsⓘ | true | true |
| DDR5ⓘ | true | true |
Benchmarks
| Spec | Apple - M4 Max | AMD - Ryzen 9 7900X |
|---|---|---|
| Cinebench R23 (multi)ⓘ | 29800lead | 29600 |
| Cinebench R23 (single)ⓘ | 2280lead | 2030 |