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Dell XPS 16 (9640) vs Lenovo Yoga Slim 7i Gen 9

Updated Apr 2026laptops
Dell XPS 16 (9640)
Dell
Dell XPS 16 (9640)
$1,899
8.1/10
VS
Lenovo Yoga Slim 7i Gen 9
Lenovo
Lenovo Yoga Slim 7i Gen 9
$1,199
8.4/10
Winner

The Verdict

Dell's XPS 16 delivers a larger 16.3-inch IPS display with 500 nits brightness ideal for desktop replacement work, paired with Intel Core Ultra 7 155H and 16GB RAM. Lenovo's Yoga Slim 7i counters with a stunning 14.5-inch OLED touchscreen (2880x1800, 120Hz), superior portability at 1.5kg versus 2.13kg, and double the storage at 1TB. Battery performance favors Lenovo with 14 hours versus Dell's 13 hours, despite a smaller 70Wh cell. For creative professionals needing screen real estate and expansion, the XPS 16 justifies its $700 premium. However, Lenovo's OLED panel, ultraportability, and aggressive $1,199 pricing make it exceptional value for productivity-focused travelers. Performance is essentially matched on both systems.

ValueGen 9
BatteryGen 9
DisplayGen 9
PerformanceTie
portabilityGen 9

Who Should Buy

Buy the Dell XPS 16 (9640) if…

  • Premium CNC aluminum chassis with edge-to-edge keyboard
  • Optional 4K OLED touch display available
  • Powerful Core Ultra and RTX 4050-4070 GPU options

Buy the Lenovo Yoga Slim 7i Gen 9 if…

  • Stunning 2.8K OLED 120Hz display with vivid color
  • Sleek aluminum chassis with premium build quality
  • Strong Intel Core Ultra performance with NPU for AI

Category Scores

Dell XPS 16 (9640)
Lenovo Yoga Slim 7i Gen 9
Value
7.5
9.0
Battery
7.9
8.5
Display
7.8
9.0
Performance
8.2
8.2
portability
7.0
9.0

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

Lenovo Yoga Slim 7i Gen 9

Pros

  • Stunning 2.8K OLED 120Hz display with vivid color
  • Sleek aluminum chassis with premium build quality
  • Strong Intel Core Ultra performance with NPU for AI
  • Generous 70 Wh battery delivers solid all-day life

Cons

  • Soldered RAM cannot be upgraded later
  • Limited port selection (no full-size SD card slot)
  • Fans can spin up audibly under sustained loads
  • OLED display can be reflective in bright environments

Full Specifications

SpecDell XPS 16 (9640)Lenovo Yoga Slim 7i Gen 9
SoftwareWindows 11 HomeWindows 11 Home
Body
Weight2.13 kg1.5 kg
MaterialCNC aluminum and carbon fiberAluminum
Dimensions358.1 x 240.1 x 18.7 mm325.3 x 226.9 x 14.9 mm
Ports
SD card
Thunderbolt ports32
HDMI1
USB-A ports1
USB-C ports2
Battery
Battery lifeUp to 13 hours mixed useUp to 14 hours
Capacity99.5 Wh70 Wh
Display
Size16.3 inches14.5 inches
TypeInfinityEdge IPS non-touchOLED touchscreen
Resolution1920 x 12002880 x 1800
Refresh rate60Hz120Hz
Brightness (nits)500400
Storage
SSD512 GB NVMe1 TB
Expandable storage
Keyboard
Backlit
Processor
RAM16 GB LPDDR5x16 GB LPDDR5X
Cores16-core (6P+8E+2LPE)16 cores
ChipsetIntel Core Ultra 7 155HIntel Core Ultra 7 155H

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 Dell products or all Lenovo products. View full details for the Dell XPS 16 (9640) or the Lenovo Yoga Slim 7i Gen 9.