Dell 15 (DC15250) vs Lenovo IdeaPad Slim 3 15Q7X11
26.6Performancechip23.2
30.2Display26.5
21.3Battery33.3
66.3Portability70
2 spec wins — Dell 15 (DC15250)4 spec wins — Lenovo IdeaPad Slim 3 15Q7X11
InnoReviews verdict
This one is close to a dead heat: Dell 15 (DC15250) scores 33.5 against 34.7 for Lenovo IdeaPad Slim 3 15Q7X11. Pick by the categories that matter to you — Lenovo IdeaPad Slim 3 15Q7X11 edges ahead in battery and portability, or by price.
Which would you pick?
Key differences
Reasons to pick the Dell 15 (DC15250)
- Stronger performance score: 27 vs 23
- Stronger display score: 30 vs 27
- 100% higher Refresh rate: 120 Hz vs 60 Hz
Reasons to pick the Lenovo IdeaPad Slim 3 15Q7X11
- Stronger battery score: 33 vs 21
- Stronger portability score: 70 vs 66
- 60% higher Peak brightness: 400 nits vs 250 nits
- 22% higher capacity: 50 Wh vs 41 Wh
- 11% lower thickness: 16.9 mm vs 19 mm
Display
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3 15Q7X11 |
|---|---|---|
| Screen size | 15.6 ″+2% | 15.3 ″ |
| Panel type | IPS | IPS |
| Resolution | 1920x1080 | 1920x1200 |
| Refresh rate | 120 Hz+100% | 60 Hz |
| Peak brightness | 250 nits | 400 nits+60% |
Performance
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3 15Q7X11 |
|---|---|---|
| Processor | Intel Core i5-1334U | Qualcomm Snapdragon C (C1-10-100) |
| Graphics | Intel UHD Graphics | Qualcomm Adreno A643 (integrated) |
| RAM | 8 GB | 8 GB |
| RAM type | DDR4 or DDR5 (varies by configuration) | LPDDR5X-6393 (soldered) |
| Storage | 512 GB | 512 GB |
| Storage type | M.2 PCIe NVMe SSD | NVMe SSD (M.2 2242, PCIe 3.0 x2 slot) |
Benchmarks
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3 15Q7X11 |
|---|---|---|
| Geekbench 6 (single) | 2,139Bottom 3% | — |
| Geekbench 6 (multi) | 5,278Bottom 1% | — |
Battery
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3 15Q7X11 |
|---|---|---|
| Capacity | 41 Wh | 50 Wh+22% |
| Charging | 65 W | 65 W |
Design
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3 15Q7X11 |
|---|---|---|
| Weight | 1.62 kg | 1.59 kg+2% |
| Thickness | 19 mm | 16.9 mm+11% |
| Material | Plastic (aluminum optional) | Aluminum (top), PC-ABS (bottom) |
Connectivity
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3 15Q7X11 |
|---|---|---|
| Ports | USB-A 3.2 Gen 1, USB-A 2.0, USB-C 3.2 Gen 1 (data only on plastic models), HDMI 1.4, SD card reader, 3.5mm combo | 2x USB-A (5Gbps), 2x USB-C (5Gbps, PD 45-65W, DP1.2), 1x HDMI 1.4, microSD reader, 3.5mm combo audio jack |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.3 | 6.0 |
| Webcam | 720p HD (1080p on aluminum chassis) | 720p HD with privacy shutter |
| Biometrics | None (fingerprint reader optional) | None |
Software
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3 15Q7X11 |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Home (on ARM) |
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