AMD Ryzen 7 3700U vs AMD Ryzen 7 7840U
22.2Single-core60.8
24.5Multi-core47.5
70.8Efficiencyspec-based73.5
39.6iGPU68.5
24.4Platformspec-based61.8
2 spec wins — AMD Ryzen 7 3700U12 spec wins — AMD Ryzen 7 7840U
InnoReviews verdict
AMD Ryzen 7 7840U wins this laptop processor face-off, 59 to 32.4, pulling ahead mainly in single-core (+39) and iGPU (+29). AMD Ryzen 7 3700U 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 3700U
- 46% lower Base TDP: 15 W vs 28 W
- 17% higher Max TDP: 35 W vs 30 W
Reasons to pick the AMD Ryzen 7 7840U
- Stronger single-core score: 61 vs 22
- Stronger multi-core score: 48 vs 25
- Stronger iGPU score: 69 vs 40
- 300% higher L3 cache: 16 MB vs 4 MB
- 267% higher 3DMark Time Spy Graphics (iGPU): 2,659 vs 724
General
| Spec | AMD Ryzen 7 3700U | AMD Ryzen 7 7840U |
|---|---|---|
| Announced | 2019 | 2023 |
| Process | 12 nm | 4 nm+67% |
| Base TDP | 15 W+46% | 28 W |
| Max TDP | 35 W+17% | 30 W |
Cores & Clocks
| Spec | AMD Ryzen 7 3700U | AMD Ryzen 7 7840U |
|---|---|---|
| Cores | 4 | 8+100% |
| Performance cores | 4 | 8+100% |
| Threads | 8 | 16+100% |
| Base clock | 2.3 GHz | 3.3 GHz+43% |
| Boost clock | 4 GHz | 5.1 GHz+27% |
| L3 cache | 4 MB | 16 MB+300% |
Integrated GPU
| Spec | AMD Ryzen 7 3700U | AMD Ryzen 7 7840U |
|---|---|---|
| iGPU | AMD Radeon RX Vega 10 | AMD Radeon 780M |
| iGPU clock | 1,400 MHz | 2,700 MHz |
Memory
| Spec | AMD Ryzen 7 3700U | AMD Ryzen 7 7840U |
|---|---|---|
| Memory support | DDR4-2400 | LPDDR5X-7500 / DDR5-5600 |
| Max memory | — | 256 GB |
Benchmarks
| Spec | AMD Ryzen 7 3700U | AMD Ryzen 7 7840U |
|---|---|---|
| Geekbench 6 (single) | 1,006Bottom 1% | 2,580+156%Top 45% |
| Geekbench 6 (multi) | 3,412Bottom 4% | 11,700+243%Top 48% |
| Cinebench R23 (single) | — | 1,740Top 45% |
| Cinebench R23 (multi) | — | 14,500Top 39% |
| PassMark | 7,007Bottom 13% | 24,388+248%Top 38% |
| 3DMark Time Spy Graphics (iGPU) | 724Bottom 26% | 2,659+267%Top 22% |
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