Dell XPS 16 (9640) vs Lenovo IdeaPad Slim 3i 15
42.4Performance44
38.4Display23.3
99.3Battery29.3
51.3Portability67.7
5 spec wins — Dell XPS 16 (9640)2 spec wins — Lenovo IdeaPad Slim 3i 15
InnoReviews verdict
Dell XPS 16 (9640) wins this laptop face-off, 55.5 to 39.9, pulling ahead mainly in battery (+70) and display (+15). Lenovo IdeaPad Slim 3i 15 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Dell XPS 16 (9640)
- Stronger display score: 38 vs 23
- Stronger battery score: 99 vs 29
- 112% higher capacity: 100 Wh vs 47 Wh
- 100% higher Refresh rate: 120 Hz vs 60 Hz
- 100% higher charging: 130 W vs 65 W
Reasons to pick the Lenovo IdeaPad Slim 3i 15
- Stronger portability score: 68 vs 51
- 24% lower weight: 1.62 kg vs 2.13 kg
- Lower launch price: $549 vs $1,899
Display
| Spec | Dell XPS 16 (9640) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Screen size | 16.3 ″+4% | 15.6 ″ |
| Panel type | IPS (4K OLED touch optional) | IPS |
| Resolution | 1920x1200 | 1920x1080 |
| Refresh rate | 120 Hz+100% | 60 Hz |
| Peak brightness | 500 nits+67% | 300 nits |
Performance
| Spec | Dell XPS 16 (9640) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Processor | Intel Core Ultra 7 155H | Intel Core i5-1335U |
| Graphics | Intel Arc (RTX 4050/4060/4070 optional) | Intel Iris Xe Graphics |
| RAM | 16 GB | 16 GB |
| RAM type | LPDDR5X-6400 (soldered) | LPDDR5 |
| Storage | 512 GB | 512 GB |
| Storage type | PCIe 4.0 NVMe SSD | NVMe SSD |
Benchmarks
| Spec | Dell XPS 16 (9640) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Geekbench 6 (single) | 2,418Bottom 22% | — |
| Geekbench 6 (multi) | 13,656Top 47% | — |
Battery
| Spec | Dell XPS 16 (9640) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Capacity | 100 Wh+112% | 47 Wh |
| Charging | 130 W+100% | 65 W |
Design
| Spec | Dell XPS 16 (9640) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Weight | 2.13 kg | 1.62 kg+24% |
| Thickness | 18.7 mm | 17.9 mm+4% |
| Material | CNC aluminum | Polycarbonate |
Connectivity
| Spec | Dell XPS 16 (9640) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Ports | 3x Thunderbolt 4, microSD, 3.5mm | 1x USB-C 3.2 Gen 1, 2x USB-A 3.2 Gen 1, 1x HDMI 1.4, 1x SD card reader, 1x 3.5mm combo audio |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.1 |
| Webcam | 1080p + IR | 1080p |
| Biometrics | Fingerprint reader (power button), IR face (Windows Hello) | Fingerprint reader |
Software
| Spec | Dell XPS 16 (9640) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Home |
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