Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Intel - Core i9-14900K | AMD - Ryzen 7 9700X3D |
|---|---|---|
| Cores | 24 | 8 |
| L3 cache | 36 MB | 96 MB |
| Cinebench R23 (multi) | 40400 | 22800 |
| Boost clock | 6.0 GHz | 5.4 GHz |
| TDP | 125 W | 120 W |
Between the Core i9-14900K and Ryzen 7 9700X3D, the Core i9-14900K comes out ahead in cores / cinebench r23 (multi), while the Ryzen 7 9700X3D wins on l3 cache / tdp. Overall, the Core i9-14900K scores 61.1 and the Ryzen 7 9700X3D scores 52.6 on our Mars Score.
Which should you buy?
The Core i9-14900K is the clear pick on raw spec strength, leading by 8.5 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 Core i9-14900K 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 cores, cinebench r23 (multi), boost clock. The single most decisive one: Cores — 200.00% more. 24 vs 8.
Pick the Ryzen 7 9700X3D if you care most about l3 cache / tdp. Its strongest claims are l3 cache, tdp. The single most decisive one: L3 cache — 166.67% more. 96 MB vs 36 MB.
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.
Which should you buy: Intel - Core i9-14900K or AMD - Ryzen 7 9700X3D?
Intel - Core i9-14900K leads the current Mars Score by 8.5 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 Intel - Core i9-14900K if…
Intel - Core i9-14900K has the measurable edge on core count, cinebench r23 multi, boost clock ghz.
Choose AMD - Ryzen 7 9700X3D if…
AMD - Ryzen 7 9700X3D has the measurable edge on cache l3 mb, tdp w.
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 Intel - Core i9-14900K wins
- ▲Cores — 200.00% more. 24 vs 8.
- ▲Cinebench R23 (multi) — 77.19% more. 40400 vs 22800.
- ▲Boost clock — 11.11% more. 6.0 GHz vs 5.4 GHz.
Why AMD - Ryzen 7 9700X3D wins
- ▲L3 cache — 166.67% more. 96 MB vs 36 MB.
- ▲TDP — 5.00 W less. 120 vs 125.
Spec comparison
Cores
| Spec | Intel - Core i9-14900K | AMD - Ryzen 7 9700X3D |
|---|---|---|
| Coresⓘ | 24lead | 8 |
| Threadsⓘ | 32lead | 16 |
| Base clockⓘ | 3.2 GHz | 4.4 GHzlead |
| Boost clockⓘ | 6.0 GHzlead | 5.4 GHz |
| L3 cacheⓘ | 36 MB | 96 MBlead |
Platform
| Spec | Intel - Core i9-14900K | AMD - Ryzen 7 9700X3D |
|---|---|---|
| Socketⓘ | LGA1700 | AM5 |
| TDPⓘ | 125 W | 120 Wlead |
| Integrated graphicsⓘ | true | true |
| DDR5ⓘ | true | true |
Benchmarks
| Spec | Intel - Core i9-14900K | AMD - Ryzen 7 9700X3D |
|---|---|---|
| Cinebench R23 (multi)ⓘ | 40400lead | 22800 |
| Cinebench R23 (single)ⓘ | 2310lead | 2200 |