AMD Ryzen 7 8700G vs AMD Ryzen 9 3900X
64.2Single-core37.7
53.2Multi-core55.1
48Gamingspec-based78.3
8 spec wins — AMD Ryzen 7 8700G8 spec wins — AMD Ryzen 9 3900X
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 7 8700G scores 55.2 against 55.7 for AMD Ryzen 9 3900X. Pick by the categories that matter to you — AMD Ryzen 9 3900X 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: 64 vs 38
- 100% higher Max memory: 256 GB vs 128 GB
- 45% higher PassMark (single thread): 3,918 vs 2,702
- 43% lower process: 4 nm vs 7 nm
- 38% lower Base TDP: 65 W vs 105 W
- Lower launch price: $329 vs $499
Reasons to pick the AMD Ryzen 9 3900X
- 300% higher L3 cache: 64 MB vs 16 MB
- 61% higher Max turbo power: 142 W vs 88 W
- 50% higher cores: 12 vs 8
- 50% higher Performance cores: 12 vs 8
- 50% higher threads: 24 vs 16
General
| Spec | AMD Ryzen 7 8700G | AMD Ryzen 9 3900X |
|---|---|---|
| Announced | 2024 | 2019 |
| Socket | AM5 | AM4 |
| Process | 4 nm+43% | 7 nm |
| Base TDP | 65 W+38% | 105 W |
| Max turbo power | 88 W | 142 W+61% |
| Unlocked multiplier | Yes | Yes |
| Cooler included | Yes | Yes |
Cores & Clocks
| Spec | AMD Ryzen 7 8700G | AMD Ryzen 9 3900X |
|---|---|---|
| Cores | 8 | 12+50% |
| Performance cores | 8 | 12+50% |
| Efficiency cores | 0 | 0 |
| Threads | 16 | 24+50% |
| Base clock | 4.2 GHz+11% | 3.8 GHz |
| Boost clock | 5.1 GHz+11% | 4.6 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 3900X |
|---|---|---|
| iGPU | AMD Radeon 780M (12 CU RDNA 3) | — |
| iGPU clock | 2,900 MHz | — |
Memory
| Spec | AMD Ryzen 7 8700G | AMD Ryzen 9 3900X |
|---|---|---|
| Memory support | DDR5-5200 | DDR4-3200 |
| Max memory | 256 GB+100% | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 7 8700G | AMD Ryzen 9 3900X |
|---|---|---|
| PCIe version | 4 | 4 |
| CPU PCIe lanes | 20 | 24+20% |
Benchmarks
| Spec | AMD Ryzen 7 8700G | AMD Ryzen 9 3900X |
|---|---|---|
| Cinebench R23 (single) | 1,790Top 44% | — |
| Cinebench R23 (multi) | 17,100Top 38% | 18,300+7%Top 36% |
| PassMark | 31,444Top 32% | 32,465+3%Top 31% |
| PassMark (single thread) | 3,918+45%Top 31% | 2,702Bottom 30% |
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