Intel Core i9-12900KS vs Intel Core i9-13900
78.9Single-core77.7
70.3Multi-core71.7
65.7Gamingspec-based70.7
3 spec wins — Intel Core i9-12900KS10 spec wins — Intel Core i9-13900
InnoReviews verdict
Intel Core i9-13900 wins this desktop processor face-off, 73.2 to 71.7, pulling ahead mainly in multi-core (+1). Intel Core i9-12900KS still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Intel Core i9-12900KS
- 70% higher Base clock: 3.4 GHz vs 2 GHz
- 10% higher Max turbo power: 241 W vs 219 W
Reasons to pick the Intel Core i9-13900
- 129% higher L2 cache: 32 MB vs 14 MB
- 100% higher Efficiency cores: 16 vs 8
- 57% lower Base TDP: 65 W vs 150 W
- 50% higher cores: 24 vs 16
- 50% higher Max memory: 192 GB vs 128 GB
- Lower launch price: $549 vs $739
General
| Spec | Intel Core i9-12900KS | Intel Core i9-13900 |
|---|---|---|
| Announced | 2022 | 2023 |
| Socket | LGA1700 | LGA1700 |
| Process | 7 nm | — |
| Base TDP | 150 W | 65 W+57% |
| Max turbo power | 241 W+10% | 219 W |
| Unlocked multiplier | Yes | — |
Cores & Clocks
| Spec | Intel Core i9-12900KS | Intel Core i9-13900 |
|---|---|---|
| Cores | 16 | 24+50% |
| Performance cores | 8 | 8 |
| Efficiency cores | 8 | 16+100% |
| Threads | 24 | 32+33% |
| Base clock | 3.4 GHz+70% | 2 GHz |
| Boost clock | 5.5 GHz | 5.6 GHz+2% |
| L2 cache | 14 MB | 32 MB+129% |
| L3 cache | 30 MB | 36 MB+20% |
Integrated GPU
| Spec | Intel Core i9-12900KS | Intel Core i9-13900 |
|---|---|---|
| iGPU | Intel UHD Graphics 770 | Intel UHD Graphics 770 |
| iGPU clock | 1,550 MHz | 1,650 MHz |
Memory
| Spec | Intel Core i9-12900KS | Intel Core i9-13900 |
|---|---|---|
| Memory support | DDR5-4800 / DDR4-3200 | DDR5-5600 / DDR4-3200 |
| Max memory | 128 GB | 192 GB+50% |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i9-12900KS | Intel Core i9-13900 |
|---|---|---|
| PCIe version | 5 | 5 |
| CPU PCIe lanes | 20 | 20 |
Benchmarks
| Spec | Intel Core i9-12900KS | Intel Core i9-13900 |
|---|---|---|
| PassMark | 43,373Top 18% | 44,494+3%Top 18% |
| PassMark (single thread) | 4,323+1%Top 18% | 4,275Top 19% |
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