Lenovo IdeaPad Slim 3, Core i7-13420H vs ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB
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Lenovo Legion 5, Core i9-13900HX, 32GB RAM, RTX 4060 8GBKSh 210,000.00
Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155UKSh 235,000
Lenovo IdeaPad Slim 3, Core i5-13420HKSh 75,000
Lenovo Legion Pro 7, Core Ultra 9 275HX, 32GB, 2TB SSD, 5070 Ti 12GBKSh 380,000.00
Quick comparison
At a glance
Key specifications and important differences. Full details follow below.
| Feature | Lenovo IdeaPad Slim 3, Core i7-13420H |  ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| Display Size | 14 inches | 18-inch |
| Processor | Intel Core i7-13420H | Intel Core Ultra 9 275HX |
| GPU | Intel UHD Graphics | NVIDIA GeForce RTX 5090 Laptop GPU |
| RAM | 16GB | 64 GB |
| Storage | 512GB | 4 TB (2 × 2 TB RAID 0) |
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Full specifications
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General
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| Brand | Lenovo | ASUS |
| Model | Lenovo IdeaPad Slim 3, Core i7-13420H | ROG Strix SCAR 18 (2025) G835 |
| Form Factor | Clamshell | Gaming laptop |
| Announced | — | 2025 |
| Color | — | Eclipse Gray |
Design
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| Dimensions | — | 399 × 298 × 23.5–32 mm |
| Weight | — | Starting at 3.3 kg |
| Build Materials | — | Aluminium lid; reinforced polymer chassis |
Display
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| Display Size | 14 inches | 18-inch |
| Resolution | 1920 × 1200 | 2560 × 1600 (2.5K) |
| Touchscreen | No | No |
| Display Type | — | Mini LED ROG Nebula HDR anti-glare |
| Refresh Rate | — | 240 Hz |
| Brightness | — | Up to 1200 nits peak HDR |
| Display Features | — | 16:10, 100% DCI-P3, 3 ms, 2000+ dimming zones, Pantone Validated, Dolby Vision, G-SYNC, ACR |
Performance
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| Processor | Intel Core i7-13420H | Intel Core Ultra 9 275HX |
| GPU | Intel UHD Graphics | NVIDIA GeForce RTX 5090 Laptop GPU |
| Graphics Memory | Shared system memory | 24 GB GDDR7 |
| RAM Type | DDR5 | DDR5-5600 SO-DIMM |
| CPU | — | 24 cores (8 P-cores + 16 E-cores), 24 threads; up to 5.4 GHz; 36 MB cache; Intel AI Boost NPU up to 13 TOPS |
| Storage Type | — | PCIe 4.0 NVMe M.2 SSD |
Memory & Storage
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| RAM | 16GB | 64 GB |
| Storage | 512GB | 4 TB (2 × 2 TB RAID 0) |
Battery & Charging
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| Battery | — | 90 Wh 4-cell Li-ion |
| Battery Life | — | Varies by gaming workload and configuration |
| Charging | — | USB-C Power Delivery and fast charging supported |
| Power Adapter | — | 380 W AC adapter |
Software
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| Operating System | — | Windows 11 Home |
Connectivity
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| Wi-Fi | — | Wi-Fi 7 (802.11be 2×2) |
| Bluetooth | — | Bluetooth 5.4 |
| Ethernet | — | 2.5G Ethernet (RJ-45) |
Keyboard & Input
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| Stylus Support | No | No |
| Keyboard | — | Per-key RGB chiclet gaming keyboard |
| Keyboard Backlight | — | Per-key RGB with Aura Sync |
| Trackpad | — | Precision multi-touch touchpad |
| Fingerprint Reader | — | No; Windows Hello face authentication |
What's in the Box
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| Laptop | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 – Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
Camera & Audio
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| Webcam | — | 1080p FHD IR webcam for Windows Hello |
| Speakers | — | 4-speaker system with Smart Amplifier |
| Microphones | — | Built-in 3-microphone array |
| Audio Features | — | Dolby Atmos; Smart Amplifier; AI noise cancellation; Hi-Res Audio |
Ports
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| USB-A | — | 3 × USB-A 10 Gbps |
| USB-C | — | 2 × Thunderbolt 5 / USB-C with DisplayPort and Power Delivery |
| Thunderbolt / USB4 | — | 2 × Thunderbolt 5 |
| HDMI | — | HDMI 2.1 FRL |
| DisplayPort | — | DisplayPort via USB-C / Thunderbolt |
| Memory Card Reader | — | No |
| 3.5mm Audio Jack | — | 3.5 mm combo audio jack |
| Other Ports | — | RJ-45 Ethernet; DC input |
Additional Features
| Specification | Lenovo IdeaPad Slim 3, Core i7-13420H | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|---|
| Security | — | Firmware TPM; Windows Hello IR camera |
| Cooling | — | End-to-end vapor chamber, sandwiched heatsink, Tri-Fan Technology, Conductonaut Extreme liquid metal |
| Special Features | — | Tool-less RAM/SSD access; MUX Switch; Advanced Optimus; Aura Sync |
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