Lenovo IdeaPad Slim 3i 15 vs Lenovo ThinkPad T14 Gen 5 (Intel)
44Performance33
23.3Display26.5
29.3Battery36.7
67.7Portability75.2
1 spec wins — Lenovo IdeaPad Slim 3i 154 spec wins — Lenovo ThinkPad T14 Gen 5 (Intel)
InnoReviews verdict
This one is close to a dead heat: Lenovo IdeaPad Slim 3i 15 scores 39.9 against 39.8 for Lenovo ThinkPad T14 Gen 5 (Intel). Pick by the categories that matter to you — Lenovo IdeaPad Slim 3i 15 edges ahead in performance, or by price.
Which would you pick?
Key differences
Reasons to pick the Lenovo IdeaPad Slim 3i 15
- Stronger performance score: 44 vs 33
- 11% higher Screen size: 15.6 ″ vs 14 ″
Reasons to pick the Lenovo ThinkPad T14 Gen 5 (Intel)
- Stronger display score: 27 vs 23
- Stronger battery score: 37 vs 29
- Stronger portability score: 75 vs 68
- 33% higher Peak brightness: 400 nits vs 300 nits
- 15% lower weight: 1.38 kg vs 1.62 kg
Display
| Spec | Lenovo IdeaPad Slim 3i 15 | Lenovo ThinkPad T14 Gen 5 (Intel) |
|---|---|---|
| Screen size | 15.6 ″+11% | 14 ″ |
| Panel type | IPS | IPS (WUXGA, anti-glare) |
| Resolution | 1920x1080 | 1920x1200 |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 300 nits | 400 nits+33% |
Performance
| Spec | Lenovo IdeaPad Slim 3i 15 | Lenovo ThinkPad T14 Gen 5 (Intel) |
|---|---|---|
| Processor | Intel Core i5-1335U | Intel Core Ultra 7 155U (Meteor Lake) |
| Graphics | Intel Iris Xe Graphics | Intel Graphics (integrated) |
| RAM | 16 GB | 16 GB |
| RAM type | LPDDR5 | DDR5-5600 (SO-DIMM) |
| Storage | 512 GB | 512 GB |
| Storage type | NVMe SSD | PCIe 4.0 NVMe SSD (M.2 2280) |
Benchmarks
| Spec | Lenovo IdeaPad Slim 3i 15 | Lenovo ThinkPad T14 Gen 5 (Intel) |
|---|---|---|
| Geekbench 6 (single) | — | 2,306Bottom 8% |
| Geekbench 6 (multi) | — | 8,460Bottom 5% |
Battery
| Spec | Lenovo IdeaPad Slim 3i 15 | Lenovo ThinkPad T14 Gen 5 (Intel) |
|---|---|---|
| Capacity | 47 Wh | 53 Wh+12% |
| Charging | 65 W | 65 W |
Design
| Spec | Lenovo IdeaPad Slim 3i 15 | Lenovo ThinkPad T14 Gen 5 (Intel) |
|---|---|---|
| Weight | 1.62 kg | 1.38 kg+15% |
| Thickness | 17.9 mm | 17.7 mm+1% |
| Material | Polycarbonate | Carbon-fiber-reinforced polycarbonate (aluminum lid on grey models) |
Connectivity
| Spec | Lenovo IdeaPad Slim 3i 15 | Lenovo ThinkPad T14 Gen 5 (Intel) |
|---|---|---|
| Ports | 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 | 2x Thunderbolt 4 (USB4 40Gbps), 2x USB-A 5Gbps, HDMI 2.1, RJ-45 Gigabit Ethernet, 3.5mm combo jack; optional Nano-SIM and smart card reader |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E (Wi-Fi 7 optional) |
| Bluetooth | 5.1 | 5.3 |
| Webcam | 1080p | 5MP with privacy shutter (5MP + IR optional) |
| Biometrics | Fingerprint reader | Fingerprint reader (standard on grey, optional on black), optional IR camera for Windows Hello |
Software
| Spec | Lenovo IdeaPad Slim 3i 15 | Lenovo ThinkPad T14 Gen 5 (Intel) |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Pro |
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