AMD Ryzen 7 4700U vs AMD Ryzen 7 7840U
39.3Single-core60.8
32.5Multi-core47.5
81.9Efficiencyspec-based73.5
46.3iGPU68.5
32.4Platformspec-based61.8
1 spec wins — AMD Ryzen 7 4700U13 spec wins — AMD Ryzen 7 7840U
InnoReviews verdict
AMD Ryzen 7 7840U wins this laptop processor face-off, 59 to 43, pulling ahead mainly in iGPU (+22) and single-core (+22). AMD Ryzen 7 4700U 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 4700U
- 46% lower Base TDP: 15 W vs 28 W
Reasons to pick the AMD Ryzen 7 7840U
- Stronger single-core score: 61 vs 39
- Stronger multi-core score: 48 vs 33
- Stronger iGPU score: 69 vs 46
- 171% higher 3DMark Time Spy Graphics (iGPU): 2,659 vs 980
- 104% higher Cinebench R23 (multi): 14,500 vs 7,102
General
| Spec | AMD Ryzen 7 4700U | AMD Ryzen 7 7840U |
|---|---|---|
| Announced | 2020 | 2023 |
| Process | 7 nm | 4 nm+43% |
| Base TDP | 15 W+46% | 28 W |
| Max TDP | 25 W | 30 W+20% |
Cores & Clocks
| Spec | AMD Ryzen 7 4700U | AMD Ryzen 7 7840U |
|---|---|---|
| Cores | 8 | 8 |
| Performance cores | 8 | 8 |
| Threads | 8 | 16+100% |
| Base clock | 2 GHz | 3.3 GHz+65% |
| Boost clock | 4.1 GHz | 5.1 GHz+24% |
| L3 cache | 8 MB | 16 MB+100% |
Integrated GPU
| Spec | AMD Ryzen 7 4700U | AMD Ryzen 7 7840U |
|---|---|---|
| iGPU | AMD Radeon RX Vega 7 | AMD Radeon 780M |
| iGPU clock | 1,600 MHz | 2,700 MHz |
Memory
| Spec | AMD Ryzen 7 4700U | AMD Ryzen 7 7840U |
|---|---|---|
| Memory support | DDR4-3200 / LPDDR4-4266 | LPDDR5X-7500 / DDR5-5600 |
| Max memory | — | 256 GB |
Benchmarks
| Spec | AMD Ryzen 7 4700U | AMD Ryzen 7 7840U |
|---|---|---|
| Geekbench 6 (single) | 1,575Bottom 12% | 2,580+64%Top 45% |
| Geekbench 6 (multi) | 6,345Bottom 16% | 11,700+84%Top 48% |
| Cinebench R23 (single) | 1,221Bottom 16% | 1,740+43%Top 45% |
| Cinebench R23 (multi) | 7,102Bottom 22% | 14,500+104%Top 39% |
| PassMark | 13,097Bottom 25% | 24,388+86%Top 38% |
| 3DMark Time Spy Graphics (iGPU) | 980Bottom 35% | 2,659+171%Top 22% |
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