Alienware 18 Area-51 vs Lenovo IdeaPad Slim 3i 15
64.4Performance44
64.1Display23.3
94.7Battery29.3
23.6Portability67.7
7 spec wins — Alienware 18 Area-512 spec wins — Lenovo IdeaPad Slim 3i 15
InnoReviews verdict
Alienware 18 Area-51 wins this laptop face-off, 63.6 to 39.9, pulling ahead mainly in battery (+65) and display (+41). Lenovo IdeaPad Slim 3i 15 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Alienware 18 Area-51
- Stronger performance score: 64 vs 44
- Stronger display score: 64 vs 23
- Stronger battery score: 95 vs 29
- 454% higher charging: 360 W vs 65 W
- 400% higher Refresh rate: 300 Hz vs 60 Hz
Reasons to pick the Lenovo IdeaPad Slim 3i 15
- Stronger portability score: 68 vs 24
- 61% lower weight: 1.62 kg vs 4.12 kg
- 26% lower thickness: 17.9 mm vs 24.3 mm
- Lower launch price: $549 vs $3,400
Display
| Spec | Alienware 18 Area-51 | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Screen size | 18 ″+15% | 15.6 ″ |
| Panel type | IPS LCD | IPS |
| Resolution | 2560x1600 | 1920x1080 |
| Refresh rate | 300 Hz+400% | 60 Hz |
| Peak brightness | 500 nits+67% | 300 nits |
Performance
| Spec | Alienware 18 Area-51 | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Processor | Intel Core Ultra 9 275HX | Intel Core i5-1335U |
| Graphics | NVIDIA GeForce RTX 5080 Laptop (RTX 5060, RTX 5070, RTX 5070 Ti and RTX 5090 optional) | Intel Iris Xe Graphics |
| RAM | 32 GB+100% | 16 GB |
| RAM type | DDR5-6400 (SODIMM) | LPDDR5 |
| Storage | 1,024 GB+100% | 512 GB |
| Storage type | M.2 NVMe SSD (PCIe 4.0/5.0) | NVMe SSD |
Benchmarks
| Spec | Alienware 18 Area-51 | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Geekbench 6 (single) | 3,057Top 20% | — |
| Geekbench 6 (multi) | 19,869Top 14% | — |
Battery
| Spec | Alienware 18 Area-51 | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Capacity | 96 Wh+104% | 47 Wh |
| Charging | 360 W+454% | 65 W |
Design
| Spec | Alienware 18 Area-51 | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Weight | 4.12 kg | 1.62 kg+61% |
| Thickness | 24.3 mm | 17.9 mm+26% |
| Material | Anodized aluminum | Polycarbonate |
Connectivity
| Spec | Alienware 18 Area-51 | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Ports | 2x Thunderbolt 5 (DisplayPort 2.1, Power Delivery; Thunderbolt 4 on RTX 5070 and below), 3x USB-A 3.2 Gen 1, HDMI 2.1, 5Gbps RJ-45, SD card reader, 3.5mm audio jack | 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 |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.1 |
| Webcam | 1080p + IR camera (4K option) | 1080p |
| Biometrics | IR face (Windows Hello) | Fingerprint reader |
Software
| Spec | Alienware 18 Area-51 | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Home |
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