ASUS ROG Strix Scar 18 (2025) vs Lenovo IdeaPad Slim 3i 15
68.2Performance44
78.4Display23.3
42.9Battery29.3
20Portability67.7
7 spec wins — ASUS ROG Strix Scar 18 (2025)2 spec wins — Lenovo IdeaPad Slim 3i 15
InnoReviews verdict
ASUS ROG Strix Scar 18 (2025) wins this laptop face-off, 56.5 to 39.9, pulling ahead mainly in display (+55) and performance (+24). 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 ASUS ROG Strix Scar 18 (2025)
- Stronger performance score: 68 vs 44
- Stronger display score: 78 vs 23
- Stronger battery score: 43 vs 29
- 485% higher charging: 380 W vs 65 W
- 300% higher Refresh rate: 240 Hz vs 60 Hz
Reasons to pick the Lenovo IdeaPad Slim 3i 15
- Stronger portability score: 68 vs 20
- 51% lower weight: 1.62 kg vs 3.3 kg
- 44% lower thickness: 17.9 mm vs 32 mm
- Lower launch price: $549 vs $4,299
Display
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Screen size | 18 ″+15% | 15.6 ″ |
| Panel type | Mini-LED (ROG Nebula HDR) | IPS |
| Resolution | 2560x1600 | 1920x1080 |
| Refresh rate | 240 Hz+300% | 60 Hz |
| Peak brightness | 1,200 nits+300% | 300 nits |
Performance
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Processor | Intel Core Ultra 9 275HX | Intel Core i5-1335U |
| Graphics | NVIDIA GeForce RTX 5090 Laptop | Intel Iris Xe Graphics |
| RAM | 32 GB+100% | 16 GB |
| RAM type | DDR5-5600 (2x SO-DIMM) | LPDDR5 |
| Storage | 2,048 GB+300% | 512 GB |
| Storage type | PCIe 4.0 NVMe SSD (2 slots) | NVMe SSD |
Benchmarks
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Geekbench 6 (single) | 3,100Top 18% | — |
| Geekbench 6 (multi) | 21,000Top 6% | — |
Battery
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Capacity | 90 Wh+91% | 47 Wh |
| Web browsing endurance | 5 h | — |
| Charging | 380 W+485% | 65 W |
Design
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Weight | 3.3 kg | 1.62 kg+51% |
| Thickness | 32 mm | 17.9 mm+44% |
| Material | Aluminum lid + polycarbonate | Polycarbonate |
Connectivity
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Ports | Thunderbolt 5, USB-C 3.2 (DP, 100W PD), 3x USB-A 3.2, HDMI 2.1, 2.5G Ethernet, 3.5mm | 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 | 1080p |
| Biometrics | IR face (Windows Hello) | Fingerprint reader |
Software
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i 15 |
|---|---|---|
| Operating system | Windows 11 | Windows 11 Home |
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