ASUS ROG Strix Scar 18 (2025) vs Lenovo IdeaPad Slim 3i Gen 10 (15IRH10)
68.2Performance44
78.4Display23.3
42.9Battery33.3
20Portability67.3
7 spec wins — ASUS ROG Strix Scar 18 (2025)2 spec wins — Lenovo IdeaPad Slim 3i Gen 10 (15IRH10)
InnoReviews verdict
ASUS ROG Strix Scar 18 (2025) wins this laptop face-off, 56.5 to 40.7, pulling ahead mainly in display (+55) and performance (+24). 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 ASUS ROG Strix Scar 18 (2025)
- Stronger performance score: 68 vs 44
- Stronger display score: 78 vs 23
- Stronger battery score: 43 vs 33
- 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 Gen 10 (15IRH10)
- Stronger portability score: 67 vs 20
- 52% lower weight: 1.59 kg vs 3.3 kg
- 41% lower thickness: 18.9 mm vs 32 mm
Display
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| Screen size | 18 ″+18% | 15.3 ″ |
| Panel type | Mini-LED (ROG Nebula HDR) | IPS (anti-glare, non-touch) |
| Resolution | 2560x1600 | 1920x1200 |
| 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 Gen 10 (15IRH10) |
|---|---|---|
| Processor | Intel Core Ultra 9 275HX | Intel Core i5-13420H |
| Graphics | NVIDIA GeForce RTX 5090 Laptop | Intel UHD Graphics (integrated) |
| RAM | 32 GB+100% | 16 GB |
| RAM type | DDR5-5600 (2x SO-DIMM) | DDR5-4800 (soldered + 1x SODIMM slot) |
| Storage | 2,048 GB+300% | 512 GB |
| Storage type | PCIe 4.0 NVMe SSD (2 slots) | PCIe 4.0 NVMe SSD (2x M.2 2242 slots) |
Benchmarks
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| Geekbench 6 (single) | 3,100Top 16% | — |
| Geekbench 6 (multi) | 21,000Top 9% | — |
Battery
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| Capacity | 90 Wh+80% | 50 Wh |
| Web browsing endurance | 5 h | — |
| Charging | 380 W+485% | 65 W |
Design
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| Weight | 3.3 kg | 1.59 kg+52% |
| Thickness | 32 mm | 18.9 mm+41% |
| Material | Aluminum lid + polycarbonate | Aluminum or PC-ABS (top), PC-ABS (bottom) |
Connectivity
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| Ports | Thunderbolt 5, USB-C 3.2 (DP, 100W PD), 3x USB-A 3.2, HDMI 2.1, 2.5G Ethernet, 3.5mm | 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 7 | Wi-Fi 6 or Wi-Fi 7 (by configuration) |
| Bluetooth | 5.4 | 5.2 or 5.4 (by configuration) |
| Webcam | 1080p + IR | HD 720p or FHD 1080p with privacy shutter (IR on some configurations) |
| Biometrics | IR face (Windows Hello) | Optional IR camera for Windows Hello; no fingerprint reader |
Software
| Spec | ASUS ROG Strix Scar 18 (2025) | Lenovo IdeaPad Slim 3i Gen 10 (15IRH10) |
|---|---|---|
| Operating system | Windows 11 | Windows 11 (Home or Pro) |
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