Intel Core i5-11400 vs AMD Ryzen 9 3900X
The Intel Core i5-11400 is the faster chip for gaming by roughly 2%. Here is the full spec-by-spec breakdown.
| Specification | Intel Core i5-11400 | AMD Ryzen 9 3900X |
|---|---|---|
| Gaming score | 62/100 | 61/100 |
| Tier | B | C |
| Manufacturer | Intel | AMD |
| Cores | 6 | 12 |
| Threads | 12 | 24 |
| Base clock | 2.6 GHz | 3.8 GHz |
| Boost clock | 4.4 GHz | 4.6 GHz |
| Power draw (TDP) | 65 W | 105 W |
| Release year | 2021 | 2019 |
Which should you buy?
For gaming specifically, the Intel Core i5-11400 is the better buy — it holds a 2% lead in our index, which shows up most at 1080p and in CPU-bound titles like strategy and simulation games. The AMD Ryzen 9 3900X has more cores (12 vs 6), which helps if you stream, compile or render alongside playing. The Intel Core i5-11400 runs 40W cooler, meaning a cheaper cooler and less case heat. Either way, pair it with a graphics card of similar standing — check the bottleneck calculator before you buy.