AMD Ryzen 7 3700U vs AMD Ryzen 9 7940HX
22.2Single-core64
24.5Multi-core71.4
70.8Efficiencyspec-based40
39.6iGPU—
24.4Platformspec-based75.4
1 spec wins — AMD Ryzen 7 3700U12 spec wins — AMD Ryzen 9 7940HX
InnoReviews verdict
AMD Ryzen 9 7940HX wins this laptop processor face-off, 64.8 to 32.4, pulling ahead mainly in multi-core (+47) and single-core (+42). 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
- 73% lower Base TDP: 15 W vs 55 W
Reasons to pick the AMD Ryzen 9 7940HX
- Stronger single-core score: 64 vs 22
- Stronger multi-core score: 71 vs 25
- 1500% higher L3 cache: 64 MB vs 4 MB
- 655% higher PassMark: 52,889 vs 7,007
- 372% higher Geekbench 6 (multi): 16,094 vs 3,412
General
| Spec | AMD Ryzen 7 3700U | AMD Ryzen 9 7940HX |
|---|---|---|
| Announced | 2019 | 2024 |
| Process | 12 nm | 5 nm+58% |
| Base TDP | 15 W+73% | 55 W |
| Max TDP | 35 W | 75 W+114% |
Cores & Clocks
| Spec | AMD Ryzen 7 3700U | AMD Ryzen 9 7940HX |
|---|---|---|
| Cores | 4 | 16+300% |
| Performance cores | 4 | 16+300% |
| Efficiency cores | — | 0 |
| Threads | 8 | 32+300% |
| Base clock | 2.3 GHz | 2.4 GHz+4% |
| Boost clock | 4 GHz | 5.2 GHz+30% |
| L3 cache | 4 MB | 64 MB+1500% |
Integrated GPU
| Spec | AMD Ryzen 7 3700U | AMD Ryzen 9 7940HX |
|---|---|---|
| iGPU | AMD Radeon RX Vega 10 | AMD Radeon 610M |
| iGPU clock | 1,400 MHz | 2,200 MHz |
Memory
| Spec | AMD Ryzen 7 3700U | AMD Ryzen 9 7940HX |
|---|---|---|
| Memory support | DDR4-2400 | DDR5-5200 |
| Max memory | — | 64 GB |
Benchmarks
| Spec | AMD Ryzen 7 3700U | AMD Ryzen 9 7940HX |
|---|---|---|
| Geekbench 6 (single) | 1,006Bottom 1% | 2,751+173%Top 33% |
| Geekbench 6 (multi) | 3,412Bottom 4% | 16,094+372%Top 19% |
| Cinebench R23 (single) | — | 1,807Top 39% |
| Cinebench R23 (multi) | — | 29,400Top 8% |
| PassMark | 7,007Bottom 10% | 52,889+655%Top 7% |
| 3DMark Time Spy Graphics (iGPU) | 724Bottom 24% | — |
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