Dell 15 (DC15250) vs Lenovo IdeaPad Slim 3i Gen 10 (15IRH10)
26.6Performance44
30.2Display23.3
21.3Battery33.3
66.3Portability67.3
2 spec wins — Dell 15 (DC15250)5 spec wins — Lenovo IdeaPad Slim 3i Gen 10 (15IRH10)
InnoReviews verdict
Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) wins this laptop face-off, 40.7 to 33.5, pulling ahead mainly in performance (+17) and battery (+12). Dell 15 (DC15250) still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Dell 15 (DC15250)
- Stronger display score: 30 vs 23
- 100% higher Refresh rate: 120 Hz vs 60 Hz
Reasons to pick the Lenovo IdeaPad Slim 3i Gen 10 (15IRH10)
- Stronger performance score: 44 vs 27
- Stronger battery score: 33 vs 21
- 100% higher RAM: 16 GB vs 8 GB
- 22% higher capacity: 50 Wh vs 41 Wh
- 20% higher Peak brightness: 300 nits vs 250 nits
Display
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| Screen size | 15.6 ″+2% | 15.3 ″ |
| Panel type | IPS | IPS (anti-glare, non-touch) |
| Resolution | 1920x1080 | 1920x1200 |
| Refresh rate | 120 Hz+100% | 60 Hz |
| Peak brightness | 250 nits | 300 nits+20% |
Performance
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| Processor | Intel Core i5-1334U | Intel Core i5-13420H |
| Graphics | Intel UHD Graphics | Intel UHD Graphics (integrated) |
| RAM | 8 GB | 16 GB+100% |
| RAM type | DDR4 or DDR5 (varies by configuration) | DDR5-4800 (soldered + 1x SODIMM slot) |
| Storage | 512 GB | 512 GB |
| Storage type | M.2 PCIe NVMe SSD | PCIe 4.0 NVMe SSD (2x M.2 2242 slots) |
Benchmarks
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| Geekbench 6 (single) | 2,139Bottom 3% | — |
| Geekbench 6 (multi) | 5,278Bottom 2% | — |
Battery
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| Capacity | 41 Wh | 50 Wh+22% |
| Charging | 65 W | 65 W |
Design
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| Weight | 1.62 kg | 1.59 kg+2% |
| Thickness | 19 mm | 18.9 mm |
| Material | Plastic (aluminum optional) | Aluminum or PC-ABS (top), PC-ABS (bottom) |
Connectivity
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| 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, 1x USB-C 5Gbps (PD 45-65W, DP 1.2), HDMI 1.4, SD card reader, 3.5mm combo jack, round-tip power connector |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 or Wi-Fi 7 (by configuration) |
| Bluetooth | 5.3 | 5.2 or 5.4 (by configuration) |
| Webcam | 720p HD (1080p on aluminum chassis) | HD 720p or FHD 1080p with privacy shutter (IR on some configurations) |
| Biometrics | None (fingerprint reader optional) | Optional IR camera for Windows Hello; no fingerprint reader |
Software
| Spec | Dell 15 (DC15250) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 (Home or Pro) |
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