Dell XPS 16 (9640) vs Lenovo Yoga Slim 7x
42.4Performance42.7
38.4Display50.4
99.3Battery69.5
51.3Portability84.7
4 spec wins — Dell XPS 16 (9640)5 spec wins — Lenovo Yoga Slim 7x
InnoReviews verdict
Lenovo Yoga Slim 7x wins this laptop face-off, 58.1 to 55.5, pulling ahead mainly in portability (+33) and display (+12). Dell XPS 16 (9640) 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 battery score: 99 vs 70
- 100% higher charging: 130 W vs 65 W
- 42% higher capacity: 100 Wh vs 70 Wh
- 33% higher Refresh rate: 120 Hz vs 90 Hz
- 12% higher Screen size: 16.3 ″ vs 14.5 ″
Reasons to pick the Lenovo Yoga Slim 7x
- Stronger display score: 50 vs 38
- Stronger portability score: 85 vs 51
- 100% higher Peak brightness: 1,000 nits vs 500 nits
- 40% lower weight: 1.28 kg vs 2.13 kg
- 31% lower thickness: 12.9 mm vs 18.7 mm
- Lower launch price: $1,199 vs $1,899
Display
| Spec | Dell XPS 16 (9640) | Lenovo Yoga Slim 7x |
|---|---|---|
| Screen size | 16.3 ″+12% | 14.5 ″ |
| Panel type | IPS (4K OLED touch optional) | OLED (PureSight) |
| Resolution | 1920x1200 | 2944x1840 |
| Refresh rate | 120 Hz+33% | 90 Hz |
| Peak brightness | 500 nits | 1,000 nits+100% |
Performance
| Spec | Dell XPS 16 (9640) | Lenovo Yoga Slim 7x |
|---|---|---|
| Processor | Intel Core Ultra 7 155H | Qualcomm Snapdragon X Elite (X1E-78-100) |
| Graphics | Intel Arc (RTX 4050/4060/4070 optional) | Qualcomm Adreno |
| RAM | 16 GB | 16 GB |
| RAM type | LPDDR5X-6400 (soldered) | LPDDR5X-8448 |
| Storage | 512 GB | 512 GB |
| Storage type | PCIe 4.0 NVMe SSD | PCIe 4.0 NVMe SSD |
Benchmarks
| Spec | Dell XPS 16 (9640) | Lenovo Yoga Slim 7x |
|---|---|---|
| Geekbench 6 (single) | 2,418Bottom 22% | 2,420Bottom 23% |
| Geekbench 6 (multi) | 13,656Top 47% | 13,800+1%Top 44% |
Battery
| Spec | Dell XPS 16 (9640) | Lenovo Yoga Slim 7x |
|---|---|---|
| Capacity | 100 Wh+42% | 70 Wh |
| Web browsing endurance | — | 14 h |
| Charging | 130 W+100% | 65 W |
Design
| Spec | Dell XPS 16 (9640) | Lenovo Yoga Slim 7x |
|---|---|---|
| Weight | 2.13 kg | 1.28 kg+40% |
| Thickness | 18.7 mm | 12.9 mm+31% |
| Material | CNC aluminum | Aluminum |
Connectivity
| Spec | Dell XPS 16 (9640) | Lenovo Yoga Slim 7x |
|---|---|---|
| Ports | 3x Thunderbolt 4, microSD, 3.5mm | 3x USB4 (USB-C) |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| Webcam | 1080p + IR | 1080p + IR |
| Biometrics | Fingerprint reader (power button), IR face (Windows Hello) | IR face (Windows Hello) |
Software
| Spec | Dell XPS 16 (9640) | Lenovo Yoga Slim 7x |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 (Arm) |
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