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Samsung Galaxy Book3 Ultra vs Samsung Galaxy Book4 15"

Updated Apr 2026laptops
Samsung Galaxy Book3 Ultra
Samsung
Samsung Galaxy Book3 Ultra
$2,399
8.8/10
VS
Samsung Galaxy Book4 15"
Samsung
Samsung Galaxy Book4 15"
$749
7.2/10

The Verdict

These laptops serve fundamentally different purposes and budgets. The Galaxy Book3 Ultra targets content creators and power users with its 16-inch 2880 x 1800 120Hz AMOLED display, Intel Core i9-13900H processor with 14 cores, 32GB RAM, and 1TB storage. It includes dual Thunderbolt 4 ports and an SD card slot for professional workflows. However, the 3.95 lb weight and 8-hour battery life reflect its performance-first design. The Galaxy Book4 15 operates as an affordable everyday laptop with a more modest 15.6-inch 1920 x 1080 IPS display, Core i7-1355U processor with 10 cores, and 16GB RAM. It weighs just 3.44 lbs and delivers up to 10 hours of battery life, making it genuinely portable for students and general users. The Book3 Ultra costs three times more and justifies that premium through superior specs: higher resolution, 120Hz refresh rate, better color accuracy, and significantly more processing power. The Book4 15 prioritizes longevity and practicality on a budget. Choose the Book3 Ultra if you need professional-grade performance for creative work or demanding tasks. Select the Book4 15 if you want a capable, lightweight daily driver without breaking the bank.

ValueBook4 15"
BatteryBook4 15"
DisplayBook3 Ultra
PerformanceBook3 Ultra
portabilityBook4 15"

Who Should Buy

Buy the Samsung Galaxy Book3 Ultra if…

  • Gorgeous 16-inch 2.8K AMOLED 120Hz display with vivid colors
  • NVIDIA RTX 4070 Laptop GPU handles creative and gaming workloads
  • Under 4 lbs — lightweight for a 16-inch laptop with discrete GPU

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

Samsung Galaxy Book3 Ultra
Samsung Galaxy Book4 15"
Value
7.2
8.9
Battery
7.0
8.5
Display
9.5
6.8
Performance
9.2
7.0
portability
7.5
8.8

Pros & Cons

Samsung Galaxy Book3 Ultra

Pros

  • Gorgeous 16-inch 2.8K AMOLED 120Hz display with vivid colors
  • NVIDIA RTX 4070 Laptop GPU handles creative and gaming workloads
  • Under 4 lbs — lightweight for a 16-inch laptop with discrete GPU
  • Seamless Samsung ecosystem integration with Galaxy phones and tablets
  • Excellent keyboard with 1.5 mm key travel and good feedback

Cons

  • $2,399 is steep and competes directly with MacBook Pro 16
  • 76 Wh battery drains faster on AMOLED — expect 6-7 hours in practice
  • Soldered RAM and SSD limit upgradeability
  • Samsung software bloatware is annoying to clean up
  • No OLED brightness matching Apple's XDR 1600-nit HDR peak

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

SpecSamsung Galaxy Book3 UltraSamsung Galaxy Book4 15"
SoftwareWindows 11 HomeWindows 11 Home
Body
Weight3.95 lbs (1.79 kg)3.44 lbs (1.56 kg)
MaterialAluminumAluminum
Dimensions13.99 x 9.86 x 0.65 inches14.00 x 8.93 x 0.61 inches
Ports
HDMI
USB-A ports11
USB-C ports21
SD card
Thunderbolt ports2
Battery
Battery lifeUp to 8 hoursUp to 10 hours
Capacity76 Wh54 Wh
Display
Size16 inches15.6 inches
TypeAMOLEDIPS anti-glare
Resolution2880 x 18001920 x 1080
Refresh rate120Hz60Hz
Brightness (nits)400300
Storage
SSD1 TB PCIe Gen 4 NVMe512 GB PCIe Gen 4 NVMe
Expandable storage
Keyboard
Backlit
Processor
RAM32 GB LPDDR516 GB LPDDR5
Cores14 cores (6P + 8E)10 cores (2P + 8E)
ChipsetIntel Core i9-13900H (13th Gen)Intel Core i7-1355U (13th Gen)

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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 Samsung products or all Samsung products. View full details for the Samsung Galaxy Book3 Ultra or the Samsung Galaxy Book4 15".