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ASUS ROG Ally X vs Samsung Galaxy Book4 Pro

Updated Apr 2026laptops
ASUS ROG Ally X
ASUS
ASUS ROG Ally X
$799
8.4/10
VS
Samsung Galaxy Book4 Pro
Samsung
Samsung Galaxy Book4 Pro
$1,449
8.1/10

The Verdict

Comparing these devices requires understanding their fundamentally different purposes. ASUS ROG Ally X is a handheld gaming device with a 7-inch 1920x1080 120Hz IPS display, AMD Ryzen Z1 Extreme processor, 24GB RAM, and 1TB storage, delivering exceptional gaming performance in portable form. Samsung Galaxy Book4 Pro is a traditional 16-inch laptop featuring a gorgeous 2880x1800 Dynamic AMOLED display, Intel Core Ultra 7 155H processor, 16GB RAM, and 512GB storage optimized for productivity. Battery life favors Samsung at 15 hours versus the Ally X's 3-10 hours game-dependent performance. The Ally X excels in gaming versatility and raw processing power for handheld play, while the Galaxy Book4 Pro offers superior display quality, proper ergonomics for extended work sessions, and better portability for professionals. At $799 versus $1449, the Ally X represents better value for gaming enthusiasts; however, for general computing and professional tasks, the Galaxy Book4 Pro justifies its premium. Choose Ally X for dedicated gaming or Galaxy Book4 Pro for comprehensive laptop replacement.

ValueAlly X
BatteryBook4 Pro
DisplayBook4 Pro
PerformanceAlly X
portabilityAlly X

Who Should Buy

Buy the ASUS ROG Ally X if…

  • Massive 80 Wh battery doubles the Ally's endurance to 3-10 hours
  • 24 GB LPDDR5x RAM is generous for gaming and multitasking
  • 1 TB SSD is double the original — more room for games

Buy the Samsung Galaxy Book4 Pro if…

  • Gorgeous Dynamic AMOLED 2X display with vivid color
  • Slim 12.5 mm profile for a 16-inch laptop
  • Excellent Samsung ecosystem integration with Galaxy devices

Category Scores

ASUS ROG Ally X
Samsung Galaxy Book4 Pro
Value
8.9
7.4
Battery
6.9
8.8
Display
7.8
9.2
Performance
9.1
8.3
portability
9.5
8.1

Pros & Cons

ASUS ROG Ally X

Pros

  • Massive 80 Wh battery doubles the Ally's endurance to 3-10 hours
  • 24 GB LPDDR5x RAM is generous for gaming and multitasking
  • 1 TB SSD is double the original — more room for games
  • Two USB-C ports allow charging while connecting accessories
  • Improved ergonomic grips and button layout over original Ally

Cons

  • Heavier at 678 g due to the larger battery
  • Same Z1 Extreme chip — no generational performance leap
  • Removed microSD slot compared to original ROG Ally
  • IPS LCD still lacks OLED contrast and HDR capability
  • $799 puts it close to full laptop pricing territory

Samsung Galaxy Book4 Pro

Pros

  • Gorgeous Dynamic AMOLED 2X display with vivid color
  • Slim 12.5 mm profile for a 16-inch laptop
  • Excellent Samsung ecosystem integration with Galaxy devices
  • Good port selection including SD card and HDMI
  • Up to 15-hour battery life is class-leading

Cons

  • No discrete GPU option on this model
  • RAM and SSD are soldered — no upgrade path
  • Samsung DeX for PC still limited in scope
  • AMOLED display may develop burn-in over time
  • Higher price than similarly-specced Windows ultrabooks

Full Specifications

SpecASUS ROG Ally XSamsung Galaxy Book4 Pro
SoftwareWindows 11Windows 11 Home
Body
Weight678 g1.55 kg
MaterialPlastic chassis with improved ergonomicsAluminum
Dimensions280.0 x 114.0 x 36.9 mm355.4 x 227.9 x 12.5 mm
Ports
USB-C ports21
Microsd
Headphone Jack
HDMI1
USB-A ports2
SD card
Thunderbolt ports2
Memory
Storage options1 TB PCIe Gen 4 NVMe SSD
Battery
Battery life3-10 hours (game dependent)Up to 15 hours mixed use
Capacity80 Wh76 Wh
Display
Size7 inches16.0 inches
TypeIPS LCDDynamic AMOLED 2X
Resolution1920 x 10802880 x 1800
Refresh rate120Hz120Hz
Brightness (nits)500500
Processor
RAM24 GB LPDDR5x (7500 MT/s)16 GB LPDDR5x
Cores8-core CPU, RDNA 3 (12 CUs) integrated GPU16-core (6P+8E+2LPE)
ChipsetAMD Ryzen Z1 Extreme (Zen 4, 8-core / 16-thread, up to 5.1 GHz)Intel Core Ultra 7 155H
Connectivity
Wi-FiWi-Fi 6E
Bluetooth5.2
Storage
SSD512 GB NVMe
Expandable storage
Keyboard
Backlit
Touch Bar

This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.

Explore more in laptops, see all ASUS products or all Samsung products. View full details for the ASUS ROG Ally X or the Samsung Galaxy Book4 Pro.