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ASUS ROG Ally vs Samsung Galaxy Book4 15"

Updated Apr 2026laptops
ASUS ROG Ally
ASUS
ASUS ROG Ally
$699
8.3/10
VS
Samsung Galaxy Book4 15"
Samsung
Samsung Galaxy Book4 15"
$749
7.9/10

The Verdict

Comparing these vastly different form factors reveals distinct use cases rather than direct competition. ASUS ROG Ally functions as a premium handheld gaming device with a 7-inch 120Hz IPS display, AMD Ryzen Z1 Extreme processor, and integrated RDNA 3 GPU optimized for gaming performance. Battery life ranges from 1.5 to 7 hours depending on workload, and it weighs just 608g. Samsung Galaxy Book4 15 is a traditional laptop featuring a 15.6-inch 60Hz IPS display, Intel Core i7-1355U processor, and aluminum construction at 1.56kg. Its 10-hour battery life and larger screen suit productivity work. For gaming and portable entertainment, the Ally excels with superior gaming hardware and higher refresh rate. For business applications and everyday computing, the Galaxy Book4 provides better battery longevity and screen real estate. Choose the Ally for gaming portability or the Galaxy Book4 for work productivity.

ValueROG Ally
BatteryBook4 15"
DisplayROG Ally
PerformanceROG Ally
portabilityROG Ally

Who Should Buy

Buy the ASUS ROG Ally if…

  • Ryzen Z1 Extreme with RDNA 3 GPU outperforms Steam Deck in raw power
  • Full 1080p IPS display at 120Hz for sharper and smoother gaming
  • Windows 11 gives access to all PC game stores and launchers

Buy the Samsung Galaxy Book4 15" if…

  • Lightweight at 3.44 lbs with an aluminum build for the price
  • Full-HD display is sufficient for everyday productivity
  • Samsung ecosystem features like Quick Share and Phone Link

Category Scores

ASUS ROG Ally
Samsung Galaxy Book4 15"
Value
8.0
7.9
Battery
6.5
8.4
Display
8.5
7.2
Performance
9.1
7.8
portability
9.2
7.1

Pros & Cons

ASUS ROG Ally

Pros

  • Ryzen Z1 Extreme with RDNA 3 GPU outperforms Steam Deck in raw power
  • Full 1080p IPS display at 120Hz for sharper and smoother gaming
  • Windows 11 gives access to all PC game stores and launchers
  • Lighter at 608 g compared to the Steam Deck
  • MicroSD expansion for extra game storage

Cons

  • 40 Wh battery provides very poor endurance — as low as 1.5 hours
  • Windows 11 is not optimized for handheld — requires workarounds
  • Only one USB-C port limits simultaneous charging and peripherals
  • No OLED — IPS LCD has weaker contrast and no true blacks
  • Fan noise is loud under heavy gaming loads

Samsung Galaxy Book4 15"

Pros

  • Lightweight at 3.44 lbs with an aluminum build for the price
  • Full-HD display is sufficient for everyday productivity
  • Samsung ecosystem features like Quick Share and Phone Link
  • 10-hour battery life handles a full school or work day
  • HDMI port included — avoids dongles for presentations

Cons

  • 60Hz FHD display is unremarkable at the $749 price point
  • Only one USB-C and one USB-A port is limiting
  • Soldered RAM and SSD — zero upgradeability
  • No Thunderbolt or high-speed USB-C
  • Integrated graphics only — no discrete GPU option

Full Specifications

SpecASUS ROG AllySamsung Galaxy Book4 15"
SoftwareWindows 11Windows 11 Home
Body
Weight608 g3.44 lbs (1.56 kg)
MaterialPlastic chassisAluminum
Dimensions280.0 x 111.4 x 32.4 mm14.00 x 8.93 x 0.61 inches
Ports
USB-C ports11
Microsd
Headphone Jack
HDMI
USB-A ports1
SD card
Memory
Storage options512 GB PCIe Gen 4 NVMe SSD
Battery
Battery life1.5-7 hours (game dependent)Up to 10 hours
Capacity40 Wh54 Wh
Display
Size7 inches15.6 inches
TypeIPS LCDIPS anti-glare
Resolution1920 x 10801920 x 1080
Refresh rate120Hz60Hz
Brightness (nits)500300
Processor
RAM16 GB LPDDR5 (6400 MT/s)16 GB LPDDR5
Cores8-core CPU, RDNA 3 (12 CUs) integrated GPU10 cores (2P + 8E)
ChipsetAMD Ryzen Z1 Extreme (Zen 4, 8-core / 16-thread, up to 5.1 GHz)Intel Core i7-1355U (13th Gen)
Connectivity
Wi-FiWi-Fi 6E
Bluetooth5.2
Storage
SSD512 GB PCIe Gen 4 NVMe
Expandable storage
Keyboard
Backlit

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 or the Samsung Galaxy Book4 15".