Lenovo Legion Slim 5 (2024) vs Razer Blade 18 (2025)
43.7Performance65.6
39.9Display55.5
46.7Battery98.7
41.9Portability20
2 spec wins — Lenovo Legion Slim 5 (2024)8 spec wins — Razer Blade 18 (2025)
InnoReviews verdict
Razer Blade 18 (2025) wins this laptop face-off, 62.2 to 43.1, pulling ahead mainly in battery (+52) and performance (+22). Lenovo Legion Slim 5 (2024) still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Lenovo Legion Slim 5 (2024)
- Stronger portability score: 42 vs 20
- 26% lower weight: 2.3 kg vs 3.1 kg
- 22% lower thickness: 21.9 mm vs 27.9 mm
- Lower launch price: $1,399 vs $3,500
Reasons to pick the Razer Blade 18 (2025)
- Stronger performance score: 66 vs 44
- Stronger display score: 56 vs 40
- Stronger battery score: 99 vs 47
- 100% higher RAM: 32 GB vs 16 GB
- 74% higher charging: 400 W vs 230 W
Display
| Spec | Lenovo Legion Slim 5 (2024) | Razer Blade 18 (2025) |
|---|---|---|
| Screen size | 16 ″ | 18 ″+13% |
| Panel type | IPS (WQXGA) | IPS |
| Resolution | 2560x1600 | 3840x2400 |
| Refresh rate | 165 Hz | 240 Hz+45% |
| Peak brightness | 350 nits | 500 nits+43% |
Performance
| Spec | Lenovo Legion Slim 5 (2024) | Razer Blade 18 (2025) |
|---|---|---|
| Processor | AMD Ryzen 7 8845HS | Intel Core Ultra 9 275HX |
| Graphics | NVIDIA GeForce RTX 4060 Laptop | NVIDIA GeForce RTX 5070 Ti Laptop |
| RAM | 16 GB | 32 GB+100% |
| RAM type | DDR5-5600 (2x SO-DIMM) | DDR5-5600 SO-DIMM (2 slots) |
| Storage | 1,024 GB | 1,024 GB |
| Storage type | PCIe 4.0 NVMe SSD (2 slots) | PCIe 4.0 NVMe SSD (2 slots) |
Benchmarks
| Spec | Lenovo Legion Slim 5 (2024) | Razer Blade 18 (2025) |
|---|---|---|
| Geekbench 6 (single) | 2,600Bottom 41% | 3,127+20%Top 15% |
| Geekbench 6 (multi) | 12,300Bottom 31% | 20,220+64%Top 11% |
Battery
| Spec | Lenovo Legion Slim 5 (2024) | Razer Blade 18 (2025) |
|---|---|---|
| Capacity | 80 Wh | 99 Wh+24% |
| Web browsing endurance | 7 h | — |
| Charging | 230 W | 400 W+74% |
Design
| Spec | Lenovo Legion Slim 5 (2024) | Razer Blade 18 (2025) |
|---|---|---|
| Weight | 2.3 kg+26% | 3.1 kg |
| Thickness | 21.9 mm+22% | 27.9 mm |
| Material | Aluminum lid, polycarbonate base | CNC aluminum (recycled) |
Connectivity
| Spec | Lenovo Legion Slim 5 (2024) | Razer Blade 18 (2025) |
|---|---|---|
| Ports | 2x USB-C 3.2 Gen 2 (DP, 140W PD), 3x USB-A 3.2, HDMI 2.1, RJ-45, 3.5mm | 1x Thunderbolt 5, 1x Thunderbolt 4, 3x USB-A 3.2 Gen 2, HDMI 2.1, 2.5G Ethernet, SD (UHS-II), 3.5mm |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.2 | 5.4 |
| Webcam | 1080p with E-shutter | 5MP + IR |
| Biometrics | None | IR face (Windows Hello) |
Software
| Spec | Lenovo Legion Slim 5 (2024) | Razer Blade 18 (2025) |
|---|---|---|
| Operating system | Windows 11 | Windows 11 |
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