i5-12400F vs i9-12900K
Full specification comparison between the Intel Core i5-12400F (2022) and the Intel Core i9-12900K (2021).
i5-12400F
Intel Mid-range
- ✓ Lower power draw (65 W vs 125 W)
- ✓ Cheaper at launch ($167 vs $589)
- ✓ Newer (2022 vs 2021)
- ✓ Better performance per dollar
i9-12900K
Intel Mid-range
- ✓ ~11% faster on average
- ✓ More cores (16 vs 6)
- ✓ Larger L3 cache (30 MB vs 18 MB)
- ✓ Higher boost clock (5.2 vs 4.4 GHz)
- ✓ Has integrated graphics
Verdict: The i9-12900K is around 11% faster than the i5-12400F on average — a modest edge you may notice in demanding titles, but not a generational leap.
At launch pricing, the i5-12400F offers more performance per dollar, and the i5-12400F 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 | i5-12400F | i9-12900K |
|---|---|---|
| Family | Alder Lake | Alder Lake |
| Socket | LGA1700 | LGA1700 |
| Release year | 2022 | 2021 |
| Est. gaming perf. | ||
| Est. multi-core perf. | ||
| Est. single-core perf. | ||
| Cores | ||
| Threads | ||
| Max boost clock | ||
| L3 cache | ||
| TDP (base) | ||
| Integrated graphics | None | 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 i5-12400F?
Yes — based on aggregated benchmark data, the i9-12900K is about 11% faster than the i5-12400F on average.
How much faster is the i9-12900K than the i5-12400F?
Roughly 11% on average in gaming workloads. The gap varies by title, resolution and settings.
Which processor is better value?
Comparing launch prices, the i5-12400F delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.