Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) vs Lenovo Legion 5i Gen 9 (16IRX9)
44Performance54.1
23.3Display39.9
33.3Battery73.3
67.3Portability35.7
2 spec wins — Lenovo IdeaPad Slim 3i Gen 10 (15IRH10)6 spec wins — Lenovo Legion 5i Gen 9 (16IRX9)
InnoReviews verdict
Lenovo Legion 5i Gen 9 (16IRX9) wins this laptop face-off, 51.5 to 40.7, pulling ahead mainly in battery (+40) and display (+17). Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Lenovo IdeaPad Slim 3i Gen 10 (15IRH10)
- Stronger portability score: 67 vs 36
- 33% lower weight: 1.59 kg vs 2.36 kg
- 25% lower thickness: 18.9 mm vs 25.2 mm
Reasons to pick the Lenovo Legion 5i Gen 9 (16IRX9)
- Stronger performance score: 54 vs 44
- Stronger display score: 40 vs 23
- Stronger battery score: 73 vs 33
- 254% higher charging: 230 W vs 65 W
- 175% higher Refresh rate: 165 Hz vs 60 Hz
Display
| Spec | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Screen size | 15.3 ″ | 16 ″+5% |
| Panel type | IPS (anti-glare, non-touch) | IPS |
| Resolution | 1920x1200 | 2560x1600 |
| Refresh rate | 60 Hz | 165 Hz+175% |
| Peak brightness | 300 nits | 350 nits+17% |
Performance
| Spec | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Processor | Intel Core i5-13420H | Intel Core i7-14650HX |
| Graphics | Intel UHD Graphics (integrated) | NVIDIA GeForce RTX 4060 Laptop GPU (8GB, 140W) |
| RAM | 16 GB | 16 GB |
| RAM type | DDR5-4800 (soldered + 1x SODIMM slot) | DDR5-5600 (2x SO-DIMM) |
| Storage | 512 GB | 1,024 GB+100% |
| Storage type | PCIe 4.0 NVMe SSD (2x M.2 2242 slots) | PCIe 4.0 NVMe SSD (2 slots) |
Benchmarks
| Spec | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Geekbench 6 (single) | — | 2,856Top 38% |
| Geekbench 6 (multi) | — | 17,201Top 25% |
Battery
| Spec | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Capacity | 50 Wh | 80 Wh+60% |
| Charging | 65 W | 230 W+254% |
Design
| Spec | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Weight | 1.59 kg+33% | 2.36 kg |
| Thickness | 18.9 mm+25% | 25.2 mm |
| Material | Aluminum or PC-ABS (top), PC-ABS (bottom) | Aluminum lid, PC-ABS base |
Connectivity
| Spec | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Ports | 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 | 2x USB-C 10Gbps (both with DisplayPort 1.4, one with 140W power input), 3x USB-A 5Gbps (one always-on), HDMI 2.1, Gigabit Ethernet, microSD card reader, 3.5mm combo jack |
| Wi-Fi | Wi-Fi 6 or Wi-Fi 7 (by configuration) | Wi-Fi 6E |
| Bluetooth | 5.2 or 5.4 (by configuration) | 5.2 |
| Webcam | HD 720p or FHD 1080p with privacy shutter (IR on some configurations) | 1080p with e-shutter |
| Biometrics | Optional IR camera for Windows Hello; no fingerprint reader | None |
Software
| Spec | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) | Lenovo Legion 5i Gen 9 (16IRX9) |
|---|---|---|
| Operating system | Windows 11 (Home or Pro) | Windows 11 Home |
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