Dell XPS 16 (9640) vs Lenovo IdeaPad Slim 3i (16", Gen 9)

[ VERDICT ] Winner: Dell XPS 16 (9640) (88/100)

Dell XPS 16 (9640) leads overall with a score of 88/100 compared to Lenovo IdeaPad Slim 3i (16", Gen 9) (46/100), offering superior measured performance and technical specifications.

Why choose Dell XPS 16 (9640):
  • + Higher DeviceBenchmark Score score (88 vs 46)
  • + Higher Performance score (89 vs 50)
  • + Higher Gaming score (84 vs 27)

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
Battery Life 82.0 Very Good —
DeviceBenchmark Score 88.0 Very Good WINNER 46.0 Poor
Display 96.0 Excellent —
Gaming 84.0 Very Good WINNER 27.0 Poor
Performance 89.0 Very Good WINNER 50.0 Below Average

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
Battery Wh 99.5 Wh —
Battery type — Li-Po
Charge power — 65 W
Charging port position — Left
Charging via USB (Power Delivery) — Yes
Fast charging — Yes
Replaceable — No
Weight of AC adapter — 297 grams

Design

Design specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.74 kg (3.84 lbs)

Display

Display specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
Screen Size 16.3 inches 4K+ OLED Touch (3840 x 2400) —
Ambient light sensor — No
Aspect ratio — 16:10
Coating — Matte
Contrast — 1000:1
HDR support — No
PPI — 142 ppi
Refresh rate — 60 Hz
Resolution — 1920 x 1200 pixels
Size — 16 inches
Sync technology — No
Touchscreen — No
Type — IPS LCD

Performance

Performance specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
Cpu Intel Core Ultra 7 155H (16 cores, up to 4.8 GHz, Intel AI Boost) —
Gpu NVIDIA GeForce RTX 4070 Laptop (8 GB GDDR6, 60W) —
Ram 32 GB LPDDR5X-7467 MHz —
Storage 1 TB PCIe 4.0 NVMe SSD —

CPU

CPU specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
Base frequency — 1.2 GHz
Cores — 6 (2P + 4E)
Fabrication process — 10 nm
Integrated GPU — Intel UHD Graphics (64 EU)
L3 Cache — 10 MB
Threads — 8
Turbo frequency — 4.7 GHz

Case

Case specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
Area — 923 cm2(143.2 inches2)
Colors — Gray, Blue
Cooling system — Active
Dimensions — 359.3 x 257 x 17.9 mm14.15 x 10.12 x 0.7 inches
Liquid metal — No
Material — Plastic
Number of fans — 1
Screen-to-body ratio — ~80.4%
Side bezels — 7.3 mm
Transformer — No
Vapor chamber — No
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.74 kg (3.84 lbs)

Connectivity

Connectivity specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
Audio jack (3.5 mm) — Yes
Bluetooth — v5.2
DisplayPort — No
Ethernet (RJ45) — No
Fingerprint — Yes
HDMI — 1x HDMI 1.4
Infrared sensor — No
Optical drive — No
Proprietary charging port — Yes
SD card reader — Yes
Thunderbolt — No
USB Type-C — 1x USB 3.2
USB-A — 2x USB 3.2
VGA — No
Webcam — Above the display
Webcam resolution — 1920 x 1080
Wi-Fi standard — v6

Graphics Card

Graphics Card specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
FLOPS — 1.3 TFLOPS
GPU base clock — 300 MHz
GPU boost clock — 1250 MHz
GPU performance — 1.3 TFLOPS
Memory size — System Shared
Memory speed — 5.2 Gbps
Memory type — DDR5
Raster operations pipelines (ROPs) — 16
Shading units (cores) — 512
TGP — 15 W
Texture mapping units (TMUs) — 32

Input

Input specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
Backlight — Optional
Key travel — 1.7 mm
Keyboard type — Island
Numpad — Yes
Surface — Plastic
Windows Precision — Yes

RAM

RAM specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
Channels — 1x8 GB
Clock — 5200 MHz
Upgradable — No

Sound

Sound specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
Dolby Atmos — Yes
Microphones — 2
Power — 2x1.5W
Speakers — 2.0

Storage

Storage specifications comparison
Specification Dell XPS 16 (9640) Lenovo IdeaPad Slim 3i (16", Gen 9)
Bus — PCI-E Gen 4.0 (4x)
NVMe — Yes
Storage type — SSD (M2)
Total slots — 1

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