Dell XPS 16 (9640) vs Lenovo Slim Pro 7i Gen 8 (14.5”)

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

Dell XPS 16 (9640) leads overall with a score of 88/100 compared to Lenovo Slim Pro 7i Gen 8 (14.5”) (58/100), offering superior measured performance and technical specifications.

[ WINNER ]
Dell XPS 16 (9640)
Dell

Dell XPS 16 (9640)

88/100
· $1899
View Full Specs →
Lenovo Slim Pro 7i Gen 8 (14.5”)
Lenovo

Lenovo Slim Pro 7i Gen 8 (14.5”)

58/100
View Full Specs →

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
Battery Life 82.0 Very Good —
Display 96.0 Excellent —
Gaming 84.0 Very Good WINNER 22.0 Poor
NanoReview Score 88.0 Very Good WINNER 58.0 Below Average
Performance 89.0 Very Good WINNER 60.0 Average

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
Battery Wh 99.5 Wh —
Battery type — Li-Po
Charge power — 100 / 140 W
Charging port position — Left
Charging via USB (Power Delivery) — Yes
Fast charging — Yes
Full charging time — 1:30 hr
Replaceable — No
Weight of AC adapter — 378 / 442 grams

Design

Design specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.49 kg (3.29 lbs)

Display

Display specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
Screen Size 16.3 inches 4K+ OLED Touch (3840 x 2400) —
Ambient light sensor — Yes
Aspect ratio — 16:10
Coating — Matte
Contrast — 1500:1
HDR support — Yes, Dolby Vision
PPI — 208 ppi
Refresh rate — 90 Hz
Resolution — 2560 x 1600 pixels
Size — 14.5 inches
Sync technology — No
Touchscreen — No
Type — IPS LCD
sRGB color space — 100%

Performance

Performance specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
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 Slim Pro 7i Gen 8 (14.5”)
Base frequency — 2.6 GHz
Cores — 12 (4P + 8E)
Fabrication process — 10 nm
Integrated GPU — Intel Iris Xe Graphics (80EU)
L3 Cache — 18 MB
Threads — 16
Turbo frequency — 4.7 GHz

Case

Case specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
Area — 740 cm2(114.7 inches2)
Colors — Gray, Blue
Cooling system — Active
Dimensions — 326 x 227 x 15.6 mm12.83 x 8.94 x 0.61 inches
Liquid metal — No
Material — Aluminum
Noise level (max. load) — 46.2 dB
Number of fans — 2
Opening angle — 180°
Screen-to-body ratio — ~82.4%
Side bezels — 6.8 mm
Transformer — No
Vapor chamber — No
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.49 kg (3.29 lbs)

Connectivity

Connectivity specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
Audio jack (3.5 mm) — Yes
Bluetooth — v5.2
DisplayPort — No
Ethernet (RJ45) — No
Fingerprint — No
HDMI — 1x HDMI 2.0
Infrared sensor — Yes
Optical drive — No
Proprietary charging port — No
SD card reader — No
Thunderbolt — Thunderbolt 4
USB Type-C — 2x USB 3.2
USB-A — 1x USB 3.2
VGA — No
Webcam — Above the display
Webcam resolution — 1920 x 1080
Wi-Fi standard — v6E

GPU Benchmarks

GPU Benchmarks specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
Blender GPU — 1034
Solar Bay — 19464

Graphics Card

Graphics Card specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
FLOPS — 6.7 TFLOPS
GPU base clock — 1403 MHz
GPU boost clock — 1635 MHz
GPU performance — 6.7 TFLOPS
Memory bus — 128 bit
Memory size — 6 GB
Memory speed — 12 Gbps
Memory type — GDDR6
Nvidia Optimus — Yes
Raster operations pipelines (ROPs) — 40
Shading units (cores) — 2048
TGP — 73 W
Texture mapping units (TMUs) — 64

Input

Input specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
Backlight — Yes
Key travel — 1.5 mm
Keyboard type — Island
Numpad — No
Surface — Glass
Windows Precision — Yes

RAM

RAM specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
Channels — 2x8 GB
Clock — 5200 MHz
Upgradable — No

Sound

Sound specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
Audio chip — Realtek ALC3306
Dolby Atmos — Yes
Loudness — ~79.3 dB
Microphones — 4
Power — 4x2W
Speakers — 2.2 (2 tweeters and 2 woofers)

Storage

Storage specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim Pro 7i Gen 8 (14.5”)
Bus — PCI-E Gen 4.0 (4x)
NVMe — Yes
Storage type — SSD (M2)
Total slots — 1

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