Review Lenovo Legion 9 18IAX10 · RTX 5080
Lenovo Legion 9 18IAX10 · RTX 5080
Intel Core Ultra 9 275HX · NVIDIA GeForce RTX 5080 (175W) · 64GB DDR5-5600 (4× SODIMM) · 2TB SSD (Samsung PM9E1) · 18″ 4K 240Hz IPS · 3.532 kg
Lenovo's first 18-inch gaming laptop – top-tier RTX 5080 performance, 4× SODIMM & 4× M.2 slots, Thunderbolt 5, 400W PSU.
Glossy display only, no OLED/mini-LED options, high power consumption, fingerprint magnet.
Exceptional upgradeability – one of the most expandable 18-inch gaming laptops.
Display – 18″ 4K IPS · 3840×2400 · 240Hz · 96% P3
Panel: BOE NE180QAM-NZ2 – 18″ 3840×2400, IPS, glossy, 240Hz, G-Sync, HDR400.
| Specification | Value |
|---|---|
| Brightness (centre) | ~480 cd/m² |
| Contrast | 1777:1 |
| sRGB coverage | 100% |
| AdobeRGB coverage | 88.8% |
| Display P3 coverage | 96% |
| Response time (B/W) | 7.8 ms |
| Response time (grey) | 9.7 ms |
| PWM | Not detected |
| Finish | Glossy – highly reflective |
- Sharp 4K resolution and 240Hz refresh rate
- Full P3 colours and fast response times
- Glossy finish – reflections can be distracting
- No OLED or mini-LED options
- Limited HDR400 support
No OLED or mini-LED options – HDR performance is limited.
Panel FRU: BOE NE180QAM-NZ2 (18″ 3840×2400 IPS, 240Hz, glossy, G-Sync)
Processor – Intel Core Ultra 9 275HX (Arrow Lake-HX)
- Model: Intel Core Ultra 9 275HX – 24c/24t (8× Lion Cove P-core, 16× Skymont E-core)
- Boost: 5.4 GHz (P-core) · 4.6 GHz (E-core)
- TDP: 205 W PL2 / 171 W PL1 (sustained)
- Cinebench R23 Multi: ~39,751 pts
- Stable performance in multi-core loop
CPU FRU: Intel Core Ultra 9 275HX (Arrow Lake-HX, soldered BGA)
Graphics – NVIDIA GeForce RTX 5080 (175W) · 16GB GDDR7
- Model: NVIDIA GeForce RTX 5080 Laptop – 16 GB GDDR7 VRAM
- TGP: 175 W
- 3DMark Time Spy: ~22,002 pts
- Cyberpunk 2077 (FHD Ultra): ~168 fps
- Cyberpunk 2077 (4K Ultra): ~49.6 fps
| Benchmark | Score |
|---|---|
| 3DMark Time Spy | 22,002 |
| 3DMark Fire Strike | 42,855 |
| 3DMark 11 Performance | 49,140 |
| 3DMark Steel Nomad | 5,545 |
| Cyberpunk 2077 (FHD Ultra) | ~168 fps |
GPU FRU: NVIDIA GeForce RTX 5080 Laptop (175W TGP, 16 GB GDDR7, soldered)
Memory – 64GB DDR5-5600 · 4× SODIMM · Upgradeable
- Capacity: 64 GB DDR5-5600 (4× 16 GB Samsung modules)
- 4× SODIMM slots – all occupied
- Supports up to 128 GB
Excellent upgradeability – 4 SODIMM slots.
RAM FRU: Samsung DDR5-5600 16GB × 4 (SODIMM) – replaceable
Storage – 2TB Samsung PM9E1 · PCIe 5.0 · 4× M.2 2280
- Drive: Samsung PM9E1 MZVLC2T0HBLD – 2 TB, PCIe 5.0 ×4
- Seq. read: ~11,260 MB/s
- Seq. write: ~13,112 MB/s
- 4× M.2 2280 slots – one PCIe5, three PCIe4
- No throttling in loop test
SSD FRU: Samsung PM9E1 MZVLC2T0HBLD (2 TB, M.2 2280, PCIe 5.0)
Secondary slots: 3× M.2 2280 PCIe 4.0
Battery – 99.9 Wh · ~5.6 hours
- Capacity: 99.9 Wh
- WiFi surfing (iGPU mode): ~5.6 hours
- ~2.5 hours in dGPU mode
Battery FRU: 99.9 Wh (internal) – serviceable
AC Adapter FRU: 400 W (Lenovo, bulky)
Chassis & Connectivity – Aluminium · Thunderbolt 5 · Wi-Fi 7 · SD reader
- Materials: Aluminium alloy – Forge Carbon lid texture
- Weight: 3.532 kg (7.79 lbs)
- Dimensions: 403 × 296.9 × 27.95 mm
- Left: USB-A (10 Gbps), RJ-45, 2× USB-C Thunderbolt 5 (DP 2.1 + PD 140W), 3.5mm audio
- Rear: HDMI 2.1, AC adapter
- Right: USB-C (10 Gbps), SD card reader, 2× USB-A (10 Gbps)
- Wi-Fi 7 (Intel Killer BE1750x)
- 5 MP webcam with IR and e-shutter
WLAN FRU: Intel Killer Wi-Fi 7 BE1750x (BE200NGW) – M.2 2230, replaceable
Serviceability – 4× SODIMM · 4× M.2 · 11 screws
| Component | Replaceable? | Notes |
|---|---|---|
| SSD | ✅ Yes | 4× M.2 2280 slots – one PCIe5, three PCIe4 |
| RAM | ✅ Yes | 4× SODIMM – upgradeable |
| Wi-Fi | ✅ Yes | M.2 2230 – replaceable |
| Battery | ⚠️ Limited | 99.9 Wh – internal but replaceable |
| CPU/GPU | ❌ No | Soldered BGA |
Exceptional upgradeability – 4 SODIMM and 4 M.2 slots.
Components FRU / Model Numbers
| Component | FRU / Model |
|---|---|
| CPU | Intel Core Ultra 9 275HX (Arrow Lake-HX, soldered) |
| GPU | NVIDIA GeForce RTX 5080 Laptop (175W TGP, 16 GB GDDR7, soldered) |
| RAM | Samsung DDR5-5600 64GB (4× 16GB SODIMM) |
| SSD | Samsung PM9E1 MZVLC2T0HBLD (2 TB, M.2 2280, PCIe 5.0) |
| Display Panel | BOE NE180QAM-NZ2 (18″ 3840×2400 IPS, 240Hz, glossy, G-Sync) |
| WLAN | Intel Killer Wi-Fi 7 BE1750x (BE200NGW) |
| Battery | 99.9 Wh (internal) |
| AC Adapter | 400 W (Lenovo, bulky) |
Procurement & Reseller Recommendations
CPU
Ultra 9 275HX – top-tier Arrow Lake performance.
GPU
RTX 5080 175W – excellent 4K gaming performance.
RAM
4× SODIMM – expandable to 128GB.
SSD
4× M.2 2280 – one PCIe5, three PCIe4.
Display
Glossy 4K IPS – sharp but reflective, no OLED.
Value
Unmatched upgradeability – $3800 for RTX 5080 version.
Key Selling Points vs. Competitors
Strengths
- Accessible four M.2 2280 SSD slots + four DDR5 SODIMM slots
- Comfortable keyboard keys with large clickpad
- Strong build quality
- 400 W AC adapter
- Wide port options (Thunderbolt 5, SD reader)
Weaknesses
- No OLED or mini-LED options; weak HDR support
- Forced glossy display only
- High power consumption
- Fingerprint magnet
Pro tip for resellers & repair professionals:
• Highlight the 4× SODIMM and 4× M.2 slots – unparalleled upgradeability.
• Glossy display only – set expectations for reflective environments.
• No OLED/mini-LED options – not for HDR enthusiasts.
• 400W PSU provides ample power for full performance – but it's bulky.
• One of the best 18-inch gaming laptops – despite the display limitations.
• Highlight the 4× SODIMM and 4× M.2 slots – unparalleled upgradeability.
• Glossy display only – set expectations for reflective environments.
• No OLED/mini-LED options – not for HDR enthusiasts.
• 400W PSU provides ample power for full performance – but it's bulky.
• One of the best 18-inch gaming laptops – despite the display limitations.