Lenovo Legion 5i Gen 10 (15IAX10, 83F00012CF) / Apple MacBook Air 13-inch (M4)

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.

Apple MacBook Air 13-inch (M4): 13.6-inch · M4

SpecificationLenovo Legion 5i Gen 10 (15IAX10, 83F00012CF)Apple MacBook Air 13-inch (M4)
Release year20252025
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		Apple M4; 10-core CPU (4 performance, 6 efficiency); 16-core Neural Engine Apple
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		8-core GPU; 10-core GPU option; hardware ray tracing

The 10-core GPU is a configure-to-order option; the base model has 8 cores.

Apple
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		13.6-inch Liquid Retina IPS; 2560 × 1664; 224 ppi; 500 nits; P3; True Tone Apple
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		16 GB; 24 / 32 GB options

Unified memory; cannot be upgraded after purchase.

Apple
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		256 GB; 512 GB / 1 / 2 TB options Apple
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		—
WirelessWi-Fi 7 (802.11be) 2 × 2, Bluetooth 5.4 LenovoWi-Fi 6E; Bluetooth 5.3 Apple
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		—
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 Lenovo—
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		—
Memory bandwidth—120 GB/s Apple
Connections—2 × Thunderbolt 4 / USB 4 (40 Gbit/s; charging and DisplayPort); MagSafe 3; 3.5 mm jack with high-impedance headphone support Apple
External displays—Up to 2 at 6K 60 Hz; native DisplayPort 1.4 output

Two external displays work while the built-in display runs at full resolution.

Apple
Charging—30 W adapter with the 8-core GPU model; 35 W dual USB-C with the 10-core model; 70 W option

Fast charging is supported with the 70 W adapter.

Apple
Battery—53.8 Wh lithium-polymer; up to 18 hours video streaming; up to 15 hours wireless web

Apple test figures; vary with use and configuration.

Apple
Camera—12 MP Center Stage; Desk View; 1080p video Apple
Audio—Four speakers; Spatial Audio with Dolby Atmos; three-mic array with Voice Isolation Apple
Keyboard—Backlit Magic Keyboard; Touch ID; Force Touch trackpad Apple
Size / weight—30.41 × 21.5 × 1.13 cm; 1.24 kg

Weight can vary by configuration.

Apple
Colours—Sky Blue, Silver, Starlight, Midnight Apple
Operating temperature—10–35 °C Apple