Comparison

MacBook Air (15-inch, M4, 2025) vs Samsung Galaxy Book4 Ultra

LaptopsDiscontinued

MacBook Air (15-inch, M4, 2025)

From $1,199

LaptopsAvailable

Samsung Galaxy Book4 Ultra

From $2,399

The short verdict

The MacBook Air (15-inch, M4, 2025) offers a fanless, lightweight design running macOS with the Apple M4 chip, while the Samsung Galaxy Book4 Ultra provides a dedicated Nvidia RTX GPU and a 16-inch touchscreen running Windows 11. These machines prioritize different use cases, with the MacBook Air favoring portability and battery efficiency, whereas the Samsung Galaxy Book4 Ultra focuses on graphical performance and versatile connectivity through its HDMI, USB-A, and microSD ports. Those seeking a slim, quiet laptop for general computing should choose the MacBook Air (15-inch, M4, 2025). Conversely, users requiring professional GPU power, a touchscreen display, and a wider range of legacy ports should opt for the Samsung Galaxy Book4 Ultra.

AI summary, written from the specifications on this page.

Specifications

39 of 39 rows differ

MacBook Air (15-inch, M4, 2025)Samsung Galaxy Book4 Ultra

Network

Technology: Wi-Fi only; Not listed

Body

Build: Aluminium unibody enclosure, fanless; Not listed
Dimensions: 340.4 x 237.6 x 11.5 mm (13.40 x 9.35 x 0.45 in); 355.3 x 250.4 x 16.5 mm (13.99 x 9.86 x 0.65 in)
Weight: 1.51 kg (3.3 lb); 1.86 kg (4.1 lb)
Color: Not listed; Moonstone Gray

Display

Type: Liquid Retina LED-backlit IPS, 500 nits, wide color (P3), True Tone; Not listed
Size: 15.3 inches; Not listed
Resolution: 1864 x 2880 pixels (~224 ppi density); Not listed
Panel: Not listed; 16" 3K WQXGA+ (2880 x 1800) Dynamic AMOLED, 16:10, 120Hz adaptive, 400 nits, anti-reflective touchscreen, 120% DCI-P3

Platform

OS: macOS Sequoia 15.2, upgradable to macOS 27; Windows 11 (Pro on business SKUs)
Chipset: Apple M4; Not listed
CPU: Deca-core (4 performance + 6 efficiency); Intel Core Ultra 7 155H or Ultra 9 185H, with NPU
GPU: Apple GPU (10-core), 16-core Neural Engine, 120 GB/s memory bandwidth; Nvidia GeForce RTX 4050 (w/ Ultra 7) or RTX 4070 (w/ Ultra 9) Laptop GPU

Memory

Card slot: No; Not listed
Internal: 256GB / 512GB / 1TB / 2TB SSD, 16GB (24GB / 32GB optional) unified memory; Not listed
RAM: Not listed; Up to 64GB LPDDR5x, onboard
Storage: Not listed; Up to 2TB M.2 2280 PCIe Gen4 NVMe SSD

Selfie camera

Single: 12 MP Center Stage camera with Desk View support; Not listed
Video: 1080p; Not listed

Sound

Loudspeaker: Yes, six-speaker system with force-cancelling woofers and Spatial Audio, three-mic array; Not listed
3.5mm jack: Yes; Not listed
Speakers: Not listed; AKG Quad speakers (woofer max 5W x2, tweeter 2W x2), Dolby Atmos
Mic: Not listed; Studio-grade dual mic

Comms

WLAN: Wi-Fi 6E (802.11ax); Not listed
Bluetooth: 5.3; Not listed
USB: 2x Thunderbolt 4 / USB-C (charging, DisplayPort), MagSafe 3; up to two external displays at 6K@60Hz; Not listed

Features

Sensors: Touch ID, ambient light sensor; Not listed
Extras: Backlit Magic Keyboard, Force Touch trackpad; Not listed

Battery

Type: Li-Po 66.5 Wh (non-removable), up to 18 h video streaming / 15 h web; Not listed
Charging: 35W dual USB-C in box; 70W optional; 140W USB-C
Capacity: Not listed; 76 Wh, 4900 mAh, 4-cell Li-ion

Misc

Colors: Sky Blue, Silver, Starlight, Midnight; Not listed
Security: Not listed; Secured-Core PC, Knox Secured Embedded Processor
Certification: Not listed; ENERGY STAR certified, EPEAT Silver, TCO compliant

Camera

Webcam: Not listed; 1080p FHD

Connectivity

Ports: Not listed; 1x HDMI 2.1a, 2x Thunderbolt 4, 1x USB-A 3.2, 1x microSD, 1x headphone/mic combo
Wireless: Not listed; Wi-Fi 6E (Gig+) 802.11a/b/g/n/ac/ax, Bluetooth 5.3

Input

Keyboard: Not listed; Backlit, numeric keypad, touchscreen
Biometrics: Not listed; Fingerprint reader on power button, dTPM

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