AMD Ryzen 7 3700X vs Intel Core i5-8400
36.2Single-core31.1
42.3Multi-core28.6
60.3Gaming27.2
18 spec wins — AMD Ryzen 7 3700X0 spec wins — Intel Core i5-8400
InnoReviews verdict
AMD Ryzen 7 3700X wins this desktop processor face-off, 45 to 29, pulling ahead mainly in gaming (+33) and Multi-core (+14). Intel Core i5-8400 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 7 3700X
- Stronger Single-core score: 36 vs 31
- Stronger Multi-core score: 42 vs 29
- Stronger gaming score: 60 vs 27
- 256% higher L3 cache: 32 MB vs 9 MB
- 167% higher threads: 16 vs 6
Reasons to pick the Intel Core i5-8400
- Lower launch price: $182 vs $329
General
| Spec | AMD Ryzen 7 3700X | Intel Core i5-8400 |
|---|---|---|
| Announced | 2019 | 2017 |
| Socket | AM4 | LGA1151-v2 |
| Process | 7 nm+50% | 14 nm |
| Base TDP | 65 W | 65 W |
| Max turbo power | 88 W | — |
| Unlocked multiplier | Yes | No |
| Cooler included | Yes | Yes |
Cores & Clocks
| Spec | AMD Ryzen 7 3700X | Intel Core i5-8400 |
|---|---|---|
| Cores | 8+33% | 6 |
| Performance cores | 8+33% | 6 |
| Efficiency cores | 0 | 0 |
| Threads | 16+167% | 6 |
| Base clock | 3.6 GHz+29% | 2.8 GHz |
| Boost clock | 4.4 GHz+10% | 4 GHz |
| L2 cache | 4 MB+167% | 2 MB |
| L3 cache | 32 MB+256% | 9 MB |
Integrated GPU
| Spec | AMD Ryzen 7 3700X | Intel Core i5-8400 |
|---|---|---|
| iGPU | — | Intel UHD Graphics 630 |
| iGPU clock | — | 1,050 MHz |
Memory
| Spec | AMD Ryzen 7 3700X | Intel Core i5-8400 |
|---|---|---|
| Memory support | DDR4-3200 | DDR4-2666 |
| Max memory | 128 GB+100% | 64 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 7 3700X | Intel Core i5-8400 |
|---|---|---|
| PCIe version | 4+33% | 3 |
| CPU PCIe lanes | 24+50% | 16 |
Benchmarks
| Spec | AMD Ryzen 7 3700X | Intel Core i5-8400 |
|---|---|---|
| Geekbench 6 (single) | 1,500+9%Top 65% | 1,370Top 75% |
| Geekbench 6 (multi) | 8,400+71%Top 51% | 4,900Top 78% |
| Cinebench R23 (single) | 1,270+10%Top 63% | 1,150Top 75% |
| Cinebench R23 (multi) | 12,100+89%Top 46% | 6,400Top 77% |
| PassMark | 22,700+147%Top 42% | 9,200Top 80% |
Related comparisons
AMD Ryzen 7 3700Xvs Intel Core i3-14100FVSAMD Ryzen 7 3700Xvs Intel Core i9-10850KVSAMD Ryzen 7 3700Xvs AMD Ryzen 5 5600GVSAMD Ryzen 7 3700Xvs Intel Core i7-10700KVSIntel Core i5-8400vs Intel Core i7-5820KVSIntel Core i5-8400vs Intel Core i5-9400FVSIntel Core i5-8400vs Intel Core i7-5930KVSIntel Core i5-8400vs Intel Core i7-7700KVS