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Dell Inspiron 16 (5640) vs Lenovo Legion 9i 16"

Updated Apr 2026laptops
VS
Lenovo Legion 9i 16"
Lenovo
Lenovo Legion 9i 16"
$3,499
9.1/10

The Verdict

These laptops serve vastly different purposes and budgets. The Dell Inspiron 16 offers solid everyday performance with its Intel Core 7 150U processor, 16GB DDR5 RAM, and 512GB storage at an accessible $799 price point. Its 16-inch 1920x1200 display handles productivity tasks adequately, though the 250-nit brightness and 60Hz refresh rate feel standard for this class. Battery life reaches 9 hours, making it portable for office work and casual use. The Lenovo Legion 9i 16 is a high-end gaming and workstation machine at $3499, featuring a powerhouse Intel Core i9-14900HX with 24 cores, 32GB RAM, and 1TB dual-slot NVMe storage. Its mini-LED display delivers 1200 nits brightness and 240Hz refresh rate, crushing the Dell in visual quality and gaming responsiveness. However, battery life drops to 6 hours due to demanding components, and it weighs 2.52kg versus the Dell's 1.90kg. For general productivity, content creation, or gaming at high settings, the Legion 9i dominates. For budget-conscious users needing reliable daily computing, the Inspiron 16 provides excellent value without unnecessary premium features. The price difference of $2700 reflects fundamentally different market segments rather than a direct quality comparison.

Value16 (5640)
Battery16 (5640)
Display9i 16"
Performance9i 16"
portability16 (5640)

Who Should Buy

Buy the Dell Inspiron 16 (5640) if…

  • Affordable 16-inch productivity laptop
  • Generous port selection including HDMI and USB-A
  • Comfortable keyboard with numpad

Buy the Lenovo Legion 9i 16" if…

  • RTX 4090 Laptop GPU delivers desktop-class gaming performance
  • 240Hz Mini-LED display with 1200-nit HDR is stunning for gaming
  • Integrated liquid cooling system keeps temps and noise impressively low

Category Scores

Dell Inspiron 16 (5640)
Lenovo Legion 9i 16"
Value
9.2
7.8
Battery
8.5
6.2
Display
6.8
9.5
Performance
7.0
9.8
portability
8.2
7.1

Pros & Cons

Dell Inspiron 16 (5640)

Pros

  • Affordable 16-inch productivity laptop
  • Generous port selection including HDMI and USB-A
  • Comfortable keyboard with numpad
  • 16 GB RAM and 512 GB SSD in base config
  • Upgradeable storage and memory

Cons

  • Dim 250-nit display unsuitable for bright rooms
  • Plastic base feels less premium
  • Mediocre battery life around 9 hours
  • Low-power Core 7 150U trails H-class chips
  • No discrete GPU option

Lenovo Legion 9i 16"

Pros

  • RTX 4090 Laptop GPU delivers desktop-class gaming performance
  • 240Hz Mini-LED display with 1200-nit HDR is stunning for gaming
  • Integrated liquid cooling system keeps temps and noise impressively low
  • 99.99 Wh battery is the maximum legal limit for flights
  • Premium CNC aluminum build feels genuinely luxurious

Cons

  • Extremely expensive at $3,499 even for a flagship gaming laptop
  • Heavy at 5.56 lbs — not portable for daily carry
  • 6-hour battery life means the charger is always needed
  • Thunderbolt 4 limited to one port

Full Specifications

SpecDell Inspiron 16 (5640)Lenovo Legion 9i 16"
SoftwareWindows 11 HomeWindows 11 Pro
Body
Weight1.90 kg5.56 lbs (2.52 kg)
MaterialAluminum lid with plastic baseCNC aluminum
Dimensions357.9 x 252.0 x 19.0 mm14.24 x 10.28 x 0.78 inches
Ports
HDMI1
USB-A ports21
USB-C ports12
SD card
Thunderbolt ports11
Battery
Battery lifeUp to 9 hours mixed useUp to 6 hours
Capacity54 Wh99.99 Wh
Display
Size16.0 inches16 inches
TypeWVA anti-glare LEDMini-LED IPS
Resolution1920 x 12003200 x 2000
Refresh rate60Hz240Hz
Brightness (nits)2501200
Storage
SSD512 GB NVMe1 TB PCIe Gen 4 NVMe (dual slot)
Expandable storage
Keyboard
Backlit
Processor
RAM16 GB DDR532 GB DDR5
Cores10-core (2P+8E)24 cores (8P + 16E)
ChipsetIntel Core 7 150UIntel Core i9-14900HX

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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 Dell products or all Lenovo products. View full details for the Dell Inspiron 16 (5640) or the Lenovo Legion 9i 16".