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Lenovo ThinkPad X1 Carbon Gen 12 vs Samsung Galaxy Book4 Ultra

Updated Apr 2026laptops
Lenovo ThinkPad X1 Carbon Gen 12
Lenovo
Lenovo ThinkPad X1 Carbon Gen 12
$1,729
8.4/10
Winner
VS
Samsung Galaxy Book4 Ultra
Samsung
Samsung Galaxy Book4 Ultra
$2,400
8.3/10

The Verdict

Lenovo's ThinkPad X1 Carbon Gen 12 delivers exceptional portability at 1.09kg with premium carbon fiber construction, making it ideal for mobile professionals. Samsung's Galaxy Book4 Ultra counters with a larger 16-inch Dynamic AMOLED 2X display (2880x1800, 120Hz) and more powerful Core Ultra 9 chipset, but weighs considerably more at 1.86kg. Storage favors Samsung (1TB vs 512GB), while battery life matches at 13 hours despite different capacities. The ThinkPad excels in build quality and keyboard comfort, whereas the Galaxy Book4 Ultra shines with superior display technology and raw performance. At $1,729 versus $2,399.99, the ThinkPad offers remarkable value for productivity work. Choose the ThinkPad X1 Carbon Gen 12 if portability and budget matter most; select the Galaxy Book4 Ultra if you prioritize screen real estate, performance, and creative work requiring premium display accuracy.

ValueGen 12
BatteryBook4 Ultra
DisplayBook4 Ultra
PerformanceBook4 Ultra
portabilityGen 12

Who Should Buy

Buy the Lenovo ThinkPad X1 Carbon Gen 12 if…

  • Exceptionally light at 1.09 kg with durable carbon fiber chassis
  • Best-in-class ThinkPad keyboard with excellent travel
  • MIL-STD-810H tested for durability

Buy the Samsung Galaxy Book4 Ultra if…

  • Stunning 3K AMOLED 120Hz display with deep colors
  • Includes NVIDIA RTX 4050 or 4070 discrete GPU
  • Surprisingly thin and light for a 16-inch with dGPU

Category Scores

Lenovo ThinkPad X1 Carbon Gen 12
Samsung Galaxy Book4 Ultra
Value
8.9
7.4
Battery
8.2
8.3
Display
7.8
9.2
Performance
8.5
9.1
portability
9.3
7.2

Pros & Cons

Lenovo ThinkPad X1 Carbon Gen 12

Pros

  • Exceptionally light at 1.09 kg with durable carbon fiber chassis
  • Best-in-class ThinkPad keyboard with excellent travel
  • MIL-STD-810H tested for durability
  • Strong business security with vPro and discrete TPM

Cons

  • Premium price compared to similarly specced ultrabooks
  • Base 1920x1200 IPS display is uninspiring vs OLED rivals
  • Limited GPU performance for creative workloads
  • Webcam quality still trails Surface and MacBook competitors

Samsung Galaxy Book4 Ultra

Pros

  • Stunning 3K AMOLED 120Hz display with deep colors
  • Includes NVIDIA RTX 4050 or 4070 discrete GPU
  • Surprisingly thin and light for a 16-inch with dGPU
  • Tight integration with Samsung Galaxy ecosystem

Cons

  • Premium pricing rivals workstation laptops
  • Soldered RAM, only storage is upgradable
  • Speakers underwhelming versus MacBook competitors
  • Touchpad palm rejection occasionally inconsistent

Full Specifications

SpecLenovo ThinkPad X1 Carbon Gen 12Samsung Galaxy Book4 Ultra
SoftwareWindows 11 ProWindows 11 Home
Body
Weight1.09 kg1.86 kg
MaterialCarbon fiber + magnesiumAluminum
Dimensions312.8 x 215.0 x 14.96 mm355.4 x 250.4 x 16.5 mm
Ports
HDMI11
USB-A ports21
USB-C ports22
SD card
Thunderbolt ports22
Battery
Battery lifeUp to 13 hoursUp to 13 hours
Capacity57 Wh76 Wh
Display
Size14 inches16 inches
TypeIPS, anti-glareDynamic AMOLED 2X touchscreen
Resolution1920 x 12002880 x 1800
Brightness (nits)400400
Refresh rate120Hz
Storage
SSD512 GB1 TB
Expandable storage
Keyboard
Backlit
Processor
RAM16 GB LPDDR5X16 GB LPDDR5X
Cores16 cores16 cores
ChipsetIntel Core Ultra 7 155HIntel Core Ultra 9 185H

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 Lenovo products or all Samsung products. View full details for the Lenovo ThinkPad X1 Carbon Gen 12 or the Samsung Galaxy Book4 Ultra.