Between the M3 and Core i9-14900K, the M3 comes out ahead in tdp, while the Core i9-14900K wins on cores and cinebench r23 (multi). Overall, the M3 scores 43.6 and the Core i9-14900K scores 61.1 on our Mars Score.
Which should you buy?
The Core i9-14900K is the clear pick on raw spec strength, leading by 17.5 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the M3 if you care most about tdp. The biggest gaps in its favor are tdp.
Pick the Core i9-14900K if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are cores, cinebench r23 (multi), l3 cache, among others.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the Core i9-14900K is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Apple - M3 wins
- ▲TDP — 103.00 W less. 22 vs 125.
Why Intel - Core i9-14900K wins
- ▲Cores — 200.00% more. 24 vs 8.
- ▲Cinebench R23 (multi) — 180.56% more. 40400 vs 14400.
- ▲L3 cache — 125.00% more. 36 MB vs 16 MB.
- ▲Boost clock — 48.15% more. 6.0 GHz vs 4.05 GHz.
Spec comparison
Cores
| Spec | Apple - M3 | Intel - Core i9-14900K |
|---|---|---|
| Coresⓘ | 8 | 24lead |
| Threadsⓘ | 8 | 32lead |
| Base clockⓘ | 0 GHz | 3.2 GHzlead |
| Boost clockⓘ | 4.05 GHz | 6.0 GHzlead |
| L3 cacheⓘ | 16 MB | 36 MBlead |
Platform
| Spec | Apple - M3 | Intel - Core i9-14900K |
|---|---|---|
| Socketⓘ | Soldered | LGA1700 |
| TDPⓘ | 22 Wlead | 125 W |
| Integrated graphicsⓘ | true | true |
| DDR5ⓘ | true | true |
Benchmarks
| Spec | Apple - M3 | Intel - Core i9-14900K |
|---|---|---|
| Cinebench R23 (multi)ⓘ | 14400 | 40400lead |
| Cinebench R23 (single)ⓘ | 1950 | 2310lead |
Spec-level deep dives
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