Between the M3 Max and Core Ultra 5 245K, the M3 Max comes out ahead in tdp and l3 cache, while the Core Ultra 5 245K wins on boost clock. Overall, the M3 Max scores 50 and the Core Ultra 5 245K scores 51.9 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (50 vs 51.9). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the M3 Max if you care most about tdp and l3 cache. The biggest gaps in its favor are tdp, l3 cache, cores, among others.
Pick the Core Ultra 5 245K if you care most about boost clock. Its strongest claims are boost clock.
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 tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Apple - M3 Max wins
- ▲TDP — 65.00 W less. 60 vs 125.
- ▲L3 cache — 33.33% more. 32 MB vs 24 MB.
- ▲Cores — 14.29% more. 16 vs 14.
- ▲Cinebench R23 (multi) — 5.51% more. 26800 vs 25400.
Why Intel - Core Ultra 5 245K wins
- ▲Boost clock — 28.40% more. 5.2 GHz vs 4.05 GHz.
Spec comparison
Cores
| Spec | Apple - M3 Max | Intel - Core Ultra 5 245K |
|---|---|---|
| Coresⓘ | 16lead | 14 |
| Threadsⓘ | 16lead | 14 |
| Base clockⓘ | 0 GHz | 4.2 GHzlead |
| Boost clockⓘ | 4.05 GHz | 5.2 GHzlead |
| L3 cacheⓘ | 32 MBlead | 24 MB |
Platform
| Spec | Apple - M3 Max | Intel - Core Ultra 5 245K |
|---|---|---|
| Socketⓘ | Soldered | LGA1851 |
| TDPⓘ | 60 Wlead | 125 W |
| Integrated graphicsⓘ | true | true |
| DDR5ⓘ | true | true |
Benchmarks
| Spec | Apple - M3 Max | Intel - Core Ultra 5 245K |
|---|---|---|
| Cinebench R23 (multi)ⓘ | 26800lead | 25400 |
| Cinebench R23 (single)ⓘ | 2100lead | 2080 |
Frequently asked
Spec-level deep dives
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