i7-12700K vs i9-12900K
Full specification comparison between the Intel Core i7-12700K (2021) and the Intel Core i9-12900K (2021).
i7-12700K
Intel Mid-range
- ✓ Cheaper at launch ($409 vs $589)
- ✓ Better performance per dollar
i9-12900K
Intel Mid-range
- ✓ More cores (16 vs 12)
- ✓ Larger L3 cache (30 MB vs 25 MB)
- ✓ Higher boost clock (5.2 vs 5.0 GHz)
- ✓ More power-efficient
Verdict: The i9-12900K and i7-12700K deliver essentially the same level of performance — the difference is within a few percent and won't be noticeable in real use. The decision comes down to price, power draw and features.
At launch pricing, the i7-12700K offers more performance per dollar, and the i9-12900K is the more power-efficient chip.
Estimated performance
Estimated average 1080p gaming performance compiled from publicly available benchmark data. Individual games vary.
Specs side by side
| Specification | i7-12700K | i9-12900K |
|---|---|---|
| Family | Alder Lake | Alder Lake |
| Socket | LGA1700 | LGA1700 |
| Release year | 2021 | 2021 |
| Est. gaming perf. | ||
| Est. multi-core perf. | ||
| Est. single-core perf. | ||
| Cores | ||
| Threads | ||
| Max boost clock | ||
| L3 cache | ||
| TDP (base) | ||
| Integrated graphics | UHD 770 | UHD 770 |
| Launch MSRP |
Green bars mark the better value in each row (for power and price, lower wins).
Frequently asked questions
Is the i9-12900K better than the i7-12700K?
They perform almost identically (within ~3%). Choose based on price, power consumption and platform rather than raw speed.
How much faster is the i9-12900K than the i7-12700K?
Roughly 3% on average in gaming workloads. The gap varies by title, resolution and settings.
Which processor is better value?
Comparing launch prices, the i7-12700K delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.