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Dell XPS 16 (9640) vs LG Gram SuperSlim

Both laptops share the Intel Core Ultra 7 155H processor and 16GB RAM, but diverge significantly in design philosophy. Dell's XPS 16 delivers a larger 16.3-inch IPS display with superior brightness (500 nits vs 400) and a more robust 99.5Wh battery promising genuine 13-hour endurance. Its premium aluminum/carbon chassis weighs 2.13kg and includes 3 Thunderbolt ports plus SD card expandability. LG Gram SuperSlim prioritizes extreme portability at just 0.99kg with a thinner 0.43-inch profile, featuring an OLED screen for vibrant colors despite lower brightness. However, its 60Wh battery and non-expandable storage create constraints. Storage options match at 512GB on both. For content creators and professionals needing screen real estate and battery longevity, the XPS 16 justifies its $200 premium. Those prioritizing ultraportability and OLED vibrancy should choose the Gram SuperSlim. Choose the XPS 16 for balanced productivity; pick the Gram if ultimate lightness matters most.

Dell XPS 16 (9640)
Dell
Dell XPS 16 (9640)
$1,899
8.4/10
Winner
VS
LG Gram SuperSlim
LG
LG Gram SuperSlim
$1,699
7.9/10

Full Specifications

SpecDell XPS 16 (9640)LG Gram SuperSlim
SoftwareWindows 11 HomeWindows 11 Home
Body
Weight2.13 kg2.18 lbs (0.99 kg)
MaterialCNC aluminum and carbon fiberMagnesium alloy
Dimensions358.1 x 240.1 x 18.7 mm14.09 x 9.61 x 0.43 inches
Ports
SD card
Thunderbolt ports32
HDMI
USB-C ports2
Battery
Battery lifeUp to 13 hours mixed useUp to 12 hours
Capacity99.5 Wh60 Wh
Display
Size16.3 inches15.6 inches
TypeInfinityEdge IPS non-touchOLED
Resolution1920 x 12001920 x 1080
Refresh rate60Hz60Hz
Brightness (nits)500400
Storage
SSD512 GB NVMe512 GB PCIe Gen 4 NVMe
Expandable storage
Keyboard
Backlit
Processor
RAM16 GB LPDDR5x16 GB LPDDR5X
Cores16-core (6P+8E+2LPE)16 cores (6P + 8E + 2LPE)
ChipsetIntel Core Ultra 7 155HIntel Core Ultra 7 155H

Category Scores

Dell XPS 16 (9640)
LG Gram SuperSlim
Value
8.0
7.8
Battery
8.6
7.8
Display
8.5
8.8
Performance
8.2
8.2
portability
7.5
9.1

Pros & Cons

Dell XPS 16 (9640)

Pros

  • Premium CNC aluminum chassis with edge-to-edge keyboard
  • Optional 4K OLED touch display available
  • Powerful Core Ultra and RTX 4050-4070 GPU options
  • Large 99.5 Wh battery
  • Three Thunderbolt 4 ports

Cons

  • No USB-A, HDMI, or SD card slot
  • Capacitive touch function row is divisive
  • Invisible haptic trackpad takes adjustment
  • Heavy and runs hot under load
  • Mediocre battery life with discrete GPU

LG Gram SuperSlim

Pros

  • Under 1 kg — the lightest 15.6-inch laptop you can buy
  • 15.6-inch OLED display in an impossibly thin 0.43-inch chassis
  • Thunderbolt 4 and HDMI in such a thin form factor is impressive
  • 12-hour battery life despite the razor-thin build
  • MIL-STD-810H durability tested despite the low weight

Cons

  • FHD resolution on 15.6 inches — should be 2.5K at this price
  • Very expensive at $1,699 for the specs
  • No USB-A ports — dongles needed for legacy peripherals
  • 60Hz display — no high refresh option

Explore more in laptops, see all Dell products or all LG products. View full details for the Dell XPS 16 (9640) or the LG Gram SuperSlim.