AMD Ryzen 7 8700G vs AMD Ryzen 9 3900XT
67.1Single-core38.7
54.4Multi-core56.5
48Gamingspec-based79
8 spec wins — AMD Ryzen 7 8700G4 spec wins — AMD Ryzen 9 3900XT
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 7 8700G scores 56.6 against 56.8 for AMD Ryzen 9 3900XT. Pick by the categories that matter to you — AMD Ryzen 9 3900XT edges ahead in multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 7 8700G
- Stronger single-core score: 67 vs 39
- 43% lower process: 4 nm vs 7 nm
- 43% higher PassMark (single thread): 3,918 vs 2,742
- 38% lower Base TDP: 65 W vs 105 W
- 33% higher L2 cache: 8 MB vs 6 MB
- Lower launch price: $329 vs $499
Reasons to pick the AMD Ryzen 9 3900XT
- 300% higher L3 cache: 64 MB vs 16 MB
- 50% higher cores: 12 vs 8
- 50% higher threads: 24 vs 16
General
| Spec | AMD Ryzen 7 8700G | AMD Ryzen 9 3900XT |
|---|---|---|
| Announced | 2024 | 2020 |
| Socket | AM5 | AM4 |
| Process | 4 nm+43% | 7 nm |
| Base TDP | 65 W+38% | 105 W |
| Max turbo power | 88 W | — |
| Unlocked multiplier | Yes | Yes |
| Cooler included | Yes | No |
Cores & Clocks
| Spec | AMD Ryzen 7 8700G | AMD Ryzen 9 3900XT |
|---|---|---|
| Cores | 8 | 12+50% |
| Performance cores | 8 | — |
| Efficiency cores | 0 | — |
| Threads | 16 | 24+50% |
| Base clock | 4.2 GHz+11% | 3.8 GHz |
| Boost clock | 5.1 GHz+9% | 4.7 GHz |
| L2 cache | 8 MB+33% | 6 MB |
| L3 cache | 16 MB | 64 MB+300% |
Integrated GPU
| Spec | AMD Ryzen 7 8700G | AMD Ryzen 9 3900XT |
|---|---|---|
| iGPU | AMD Radeon 780M (12 CU RDNA 3) | — |
| iGPU clock | 2,900 MHz | — |
Memory
| Spec | AMD Ryzen 7 8700G | AMD Ryzen 9 3900XT |
|---|---|---|
| Memory support | DDR5-5200 | DDR4-3200 |
| Max memory | 256 GB | — |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 7 8700G | AMD Ryzen 9 3900XT |
|---|---|---|
| PCIe version | 4 | 4 |
| CPU PCIe lanes | 20 | — |
Benchmarks
| Spec | AMD Ryzen 7 8700G | AMD Ryzen 9 3900XT |
|---|---|---|
| Geekbench 6 (single) | 2,570Top 38% | — |
| Geekbench 6 (multi) | 13,000Top 40% | — |
| Cinebench R23 (single) | 1,790Top 43% | — |
| Cinebench R23 (multi) | 17,100Top 39% | — |
| PassMark | 31,444Top 32% | 32,456+3%Top 32% |
| PassMark (single thread) | 3,918+43%Top 32% | 2,742Bottom 33% |
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