Lenovo Legion 5i Gen 10 (15IAX10, 83F00012CF) / ASUS ROG Strix SCAR 18 (2024) G834JZR

Lenovo Legion 5i Gen 10 (15IAX10, 83F00012CF): 83F00012CF: Intel Core Ultra 7 255HX, GeForce RTX 5050 Laptop GPU 8 GB (115 W), 1 × 16 GB DDR5-5600, 1 TB SSD, 15.1-inch 2560 × 1600 OLED 165 Hz, Eclipse Black, French/English keyboard. 15IAX10 configurations with the RTX 5060/5070 and the Legion 5i 15IRX10 with Core i7-13650HX/14700HX are separate models.

ASUS ROG Strix SCAR 18 (2024) G834JZR: G834JZR-BS91-CB: Intel Core i9-14900HX, GeForce RTX 4080 Laptop GPU 12 GB, 32 GB DDR5 (2 × 16 GB), 1 TB SSD, 18-inch 2560 × 1600 Mini LED 240 Hz display. The RTX 4090 G834JYR, the 2025 SCAR 18 and the 16-inch SCAR 16 are separate models.

SpecificationLenovo Legion 5i Gen 10 (15IAX10, 83F00012CF)ASUS ROG Strix SCAR 18 (2024) G834JZR
Release year20252024
ProcessorIntel Core Ultra 7 255HX; 20 cores (8 performance + 12 efficiency), 20 threads, up to 5.2 GHz, 30 MB Intel Smart Cache

The Intel AI Boost NPU, rated at up to 13 TOPS, is built into the processor.

Lenovo		Intel Core i9-14900HX; 24 cores, 32 threads, 2.2 GHz, up to 5.8 GHz, 36 MB cache

The HX series is Intel’s high-power family that brings near-desktop core counts to laptops.

ASUS
GraphicsNVIDIA GeForce RTX 5050 Laptop GPU, 8 GB GDDR7; 2662 MHz boost, 115 W TGP, 440 AI TOPS

115 W TGP is among the higher power limits used for this GPU in laptops; the same RTX 5050 runs at lower power in thinner chassis. The graphics chip is soldered. Lenovo also offers the RTX 5060 and 5070 Laptop GPU in this chassis at 115 W.

Lenovo		NVIDIA GeForce RTX 4080 Laptop GPU, 12 GB GDDR6; ROG Boost 2330 MHz at 175 W (150 W + 25 W Dynamic Boost)

ASUS adds a 50 MHz overclock to the 2280 MHz boost clock. Dynamic Boost shifts 25 W from the CPU to the GPU depending on load. The GPU is soldered and cannot be replaced.

ASUS
Display15.1-inch WQXGA (2560 × 1600) OLED; 165 Hz, 500 nits typical / 1000 nits peak, 100% DCI-P3, glossy surface, DisplayHDR True Black 600, Dolby Vision

DisplayHDR True Black 600 is the VESA tier verifying 600-nit peak brightness and very low black level on OLED panels. The panel is factory colour-calibrated and TÜV-certified for low blue light and flicker-free operation; it is not a touchscreen. The platform sheet does not list G-SYNC for this panel.

Lenovo		18-inch 2.5K (2560 × 1600, WQXGA) 16:10 Mini LED; 240 Hz, 3 ms, DCI-P3 100%, G-Sync, anti-glare; ROG Nebula HDR Display, Pantone Validated

Mini LED backlighting dims thousands of small LEDs in zones for higher brightness and contrast in HDR; slight halos may be visible around bright objects. ASUS states the display works with a MUX switch and NVIDIA Advanced Optimus.

ASUS
Memory16 GB (1 × 16 GB) DDR5-5600 SO-DIMM; 2 slots, dual-channel capable

With one module fitted at the factory, memory runs in single channel; adding a matching module to the free slot enables dual channel. The highest capacity Lenovo has tested is 32 GB.

Lenovo		32 GB DDR5-5600 SO-DIMM (2 × 16 GB); 2 slots, up to 64 GB, dual channel

Both slots come filled; upgrading means replacing the modules. ASUS notes memory speed can vary by CPU.

ASUS
Storage1 TB M.2 2242 PCIe 4.0 x4 NVMe SSD; 2 × M.2 2280 PCIe 4.0 x4 slots

A second SSD can be fitted in the free M.2 slot.

Lenovo		1 TB PCIe 4.0 NVMe M.2 SSD; 2 × M.2 PCIe slots

The second M.2 slot allows an additional SSD.

ASUS
Ports1 × Thunderbolt 4 / USB4 40 Gbps USB-C (DisplayPort 2.1), 1 × USB-C 10 Gbps (USB PD 95–100 W, DisplayPort 2.1), 3 × USB-A 5 Gbps (one always on), 1 × HDMI 2.1 (up to 8K 60 Hz), 1 × RJ-45 gigabit Ethernet, 3.5 mm headset jack, slim-tip power input

USB-C charging works only through the 10 Gbps port; the Thunderbolt 4 port does not accept power. Up to 3 external displays are supported alongside the built-in panel: HDMI up to 8K 60 Hz, USB-C up to 5K 60 Hz. There is no SD card reader.

Lenovo		1 × Thunderbolt 4 (DisplayPort, G-SYNC, 40 Gbps), 1 × USB 3.2 Gen 2 Type-C (DisplayPort, power delivery, G-SYNC, 10 Gbps), 2 × USB 3.2 Gen 2 Type-A (10 Gbps), 1 × HDMI 2.1 FRL, 1 × 2.5G LAN, 1 × 3.5 mm audio

No card reader is listed. ASUS notes the LAN port does not support Power over Ethernet (PoE).

ASUS
WirelessWi-Fi 7 (802.11be) 2 × 2, Bluetooth 5.4 LenovoWi‑Fi 6E (802.11ax, tri-band) 2 × 2; Bluetooth 5.2

Wi‑Fi 6E can use the less crowded 6 GHz band with compatible routers.

ASUS
Battery and power80 Wh lithium-ion; 245 W slim-tip adapter, Super Rapid Charge

Lenovo rates battery life at 4.4 hours in MobileMark 30 and 10.8 hours in local 1080p video playback. Super Rapid Charge goes from 0 to 30% in 10 minutes and to 70% in 30 minutes; the battery must be at least 10 °C while charging.

Lenovo		90 Wh, 4-cell lithium-ion; 330 W adapter (ø6.0 mm, 20 V 16.5 A)

ASUS notes that whether the adapter is included varies by country and model. The adapter must be connected for full GPU power.

ASUS
Keyboard and touchpad24-zone RGB backlit keyboard (French/English); 75 × 120 mm buttonless Mylar-surface touchpad Lenovo—
Audio, camera and security2 × 2 W HARMAN speakers, Nahimic Audio; 5 MP camera with e-shutter; firmware TPM 2.0

This model has no IR camera or fingerprint reader, so Windows Hello biometric sign-in is not supported.

Lenovo		—
ChassisEclipse Black; aluminium lid (sandblasted anodised), PC-ABS plastic bottom Lenovo—
Operating systemWindows 11 Home (French/English) Lenovo—
Size and weight344.9 × 255.35 × 19.95–21.54 mm; from 1.9 kg Lenovo39.9 × 29.4 × 2.31–3.08 cm; 3.10 kg ASUS
Certifications and warrantyENERGY STAR 9.0, EPEAT Gold; 1-year courier or carry-in warranty on the Canadian model

Warranty length varies by country.

Lenovo		—
Keyboard and lighting—Per-key RGB backlit chiclet keyboard; Aura Sync rear glow, logo and light bar ASUS
Audio and camera—4 speakers with Smart Amp, Dolby Atmos, Hi-Res certification for headphones, AI noise cancellation, array microphone; 720p HD camera

Windows Hello face recognition is not listed for the camera.

ASUS
Operating system and security—Windows 11 Home; firmware TPM, BIOS password ASUS