ASUS ROG Zephyrus G16 (2025, Intel) vs Lenovo Legion 5i Gen 10 (15IAX10)

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

ROG Zephyrus G16 (2025, Intel) compared with Legion 5i Gen 10 (15IAX10)
ASUSROG Zephyrus G16 (2025, Intel)LenovoLegion 5i Gen 10 (15IAX10)
Overview
ReleasedMarch 2025May 2025
Display
Screen size16″15.1″
Resolution2560 × 16002560 × 1600
PanelOLEDOLED
Refresh rate240 Hz (better)165 Hz
Brightness–500 nits
HDR peak brightness–1,000 nits
TouchscreenNoNo
Display type16-inch 2.5K OLED, 16:10; non-touch confirmed by Windows Central's exact GU605C review15.1-inch WQXGA OLED, 16:10, non-touch; Lenovo's launch table says 15.3-inch but current exact-platform PSREF specifies 15.1-inch
Colour range100% DCI-P3; Pantone Validated100% DCI-P3
Screen finishGlossyGlossy
Display featuresNVIDIA G-SYNC; MUX switch and Advanced OptimusDolby Vision, DisplayHDR True Black 600, X-Rite factory colour calibration; TÜV Rheinland Low Blue Light and Flicker Free
Performance
ProcessorIntel Core Ultra 9 285HIntel Core Ultra 7 255HX or Intel Core Ultra 9 275HX
CPU cores1620 or 24
CPU threads1620 or 24
GraphicsNVIDIA GeForce RTX 5070 Laptop GPUNVIDIA GeForce RTX 5050 Laptop GPU, NVIDIA GeForce RTX 5060 Laptop GPU or NVIDIA GeForce RTX 5070 Laptop GPU
AI engine (NPU)13 TOPS13 TOPS
Memory16 GB or 32 GB16 GB or 32 GB
Storage1 TB1 TB
CPUIntel Core Ultra 9 285H, 16 cores and 16 threadsCore Ultra 7 255HX or Core Ultra 9 275HX; Intel HM870 chipset
GPURTX 5070 Laptop GPU in the listed UK models, 8 GB GDDR7, up to 105 W including 15 W Dynamic Boost, 1595 MHz in Turbo mode; the global range also offers RTX 5070 Ti, 5080 and 5090RTX 5050, 5060 or 5070 Laptop GPU, each 8 GB GDDR7 at 115 W TGP; DLSS 4
AI engineIntel AI Boost NPUIntel AI Boost NPU, up to 13 TOPS; Lenovo LA3 AI chip
Memory type16 or 32 GB onboard LPDDR5X-7467 in the listed UK models; not upgradableTwo DDR5 SODIMM slots, dual-channel capable; DDR5-4800 or DDR5-5600; Lenovo offers up to 32 GB
Storage type1 TB PCIe 4.0 NVMe M.2 SSD in the listed UK models; two M.2 PCIe slots including the installed driveTwo M.2 2280 PCIe 4.0 x4 slots; factory 2242 SSD offerings of 512 GB or 1 TB per drive
CoolingCooling arrangement varies by GPU configuration; higher GPU models use a vapour chamber–
Battery and size
Battery life (maker's claim)–Up to 10.8 hours
Battery capacity90 Wh (better)80 Wh
Weight1.85 kg (better)1.9 kg
Thickness16.4 mm (better)21.54 mm
Width × depth354 × 246 mm344.9 × 255.35 mm
Battery life detail90 Wh, 4-cell Li-ion80 Wh; MobileMark 30 at 250 nits up to 4.4 hours, local 1080p video at 150 nits up to 10.8 hours (Lenovo)
Charger200 W adapter for the listed RTX 5070 UK models; inclusion varies by region245 W slim-tip adapter; standard USB-C PD at 95–100 W, or 140 W with a compatible Lenovo proprietary adapter
Fast charging–Super Rapid Charge, 0–30% in 10 minutes, 0–70% in 30 minutes and 0–100% in 80 minutes (Lenovo)
MaterialsAluminium chassis; listed UK RTX 5070 models weigh 1.85 kg and are 14.9–16.4 mm thick; higher GPU models differAluminium top cover and PC-ABS bottom; starting weight 1.9 kg; thickness 19.95–21.54 mm
ColoursEclipse Gray; Platinum White (availability varies by SKU)Eclipse Black
Connections
PortsThunderbolt 4, USB-C, 2 × USB-A, HDMI, SD card slot, headphone jackThunderbolt 4, USB-C, 3 × USB-A, HDMI, Ethernet, headphone jack
Wi-FiWi-Fi 7Wi-Fi 6 or Wi-Fi 7, depending on configuration
Bluetooth5.45.2 or 5.4, depending on configuration
Webcam1080p with IR for Windows Hello720p or 5MP with electronic shutter, depending on configuration
Operating systemWindowsWindows
Port detailThunderbolt 4 with display and power delivery, 40 Gbps; USB-C 10 Gbps with display and power delivery; 2 × USB-A 10 Gbps; HDMI 2.1 FRL; SD UHS-II up to 312 MB/s; 3.5 mm combo audioThunderbolt 4 / USB4 40 Gbps with DisplayPort 2.1; USB-C 10 Gbps with PD 95–100 W and DisplayPort 2.1; 3 × USB-A 5 Gbps, one Always On; HDMI 2.1 up to 8K 60 Hz; Gigabit Ethernet; 3.5 mm combo audio; slim-tip power
External displays–Up to three external displays; HDMI up to 8K 60 Hz, USB-C up to 5K 60 Hz; maximum resolution requires DSC
KeyboardRGB backlit chiclet keyboard with Copilot key; Slash Lighting on the lidSix-row keyboard with numeric keypad, 1.6 mm key travel and Copilot key; 24-zone RGB or white backlight depending on SKU
Trackpad–Mylar Precision TouchPad, 75 × 120 mm
SpeakersFour force-cancelling woofers and two tweeters, Smart Amplifier and Dolby AtmosTwo 2 W speakers, HARMAN audio and Nahimic
MicrophonesThree-microphone array with AI noise cancellationTwo-microphone array
BiometricsIR camera for Windows HelloNo fingerprint reader or IR camera

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