Dell XPS 16 (9640) vs Lenovo Legion Slim 5i Gen 8 (2023)

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

Dell XPS 16 (9640) leads overall with a score of 88/100 compared to Lenovo Legion Slim 5i Gen 8 (2023) (43/100), offering superior measured performance and technical specifications.

[ WINNER ]
Dell XPS 16 (9640)
Dell

Dell XPS 16 (9640)

88/100
· $1899
View Full Specs →
Lenovo Legion Slim 5i Gen 8 (2023)
Lenovo

Lenovo Legion Slim 5i Gen 8 (2023)

43/100
View Full Specs →

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Dell XPS 16 (9640) Lenovo Legion Slim 5i Gen 8 (2023)
Battery Life 82.0 Very Good —
Display 96.0 Excellent —
Gaming 84.0 Very Good WINNER 25.0 Poor
NanoReview Score 88.0 Very Good WINNER 43.0 Poor
Performance 89.0 Very Good WINNER 52.0 Below Average

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 5i Gen 8 (2023)
Battery Wh 99.5 Wh —
Battery type — Li-Po
Charge power — 170 / 230 W
Charging port position — Left, Bottom
Charging via USB (Power Delivery) — Yes
Fast charging — Yes
Replaceable — No

Design

Design specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 5i Gen 8 (2023)
Weight 2.20 kg (4.85 lbs) CNC Aluminum 2.3 kg (5.07 lbs)

Display

Display specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 5i Gen 8 (2023)
Screen Size 16.3 inches 4K+ OLED Touch (3840 x 2400) —
Ambient light sensor — No
Aspect ratio — 16:10
Coating — Matte
Contrast — 1200:1
HDR support — No
PPI — 142 ppi
Refresh rate — 144 Hz
Resolution — 1920 x 1200 pixels
Size — 16 inches
Sync technology — G-Sync
Touchscreen — No
Type — IPS LCD

Performance

Performance specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 5i Gen 8 (2023)
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 Legion Slim 5i Gen 8 (2023)
Base frequency — 2 GHz
Cores — 8 (4P + 4E)
Fabrication process — 10 nm
Integrated GPU — Intel UHD Graphics (48EU)
L3 Cache — 12 MB
Threads — 12
Turbo frequency — 4.4 GHz

Case

Case specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 5i Gen 8 (2023)
Area — 936 cm2(145.1 inches2)
Colors — Gray
Cooling system — Active
Dimensions — 359.7 x 260.3 x 19.9-25.2 mm14.16 x 10.25 x 0.78-0.99 inches
Liquid metal — No
Material — Top: AluminumMiddle: PlasticBottom: Plastic
Number of fans — 2
Opening angle — 180°
Screen-to-body ratio — ~79.3%
Side bezels — 7.5 mm
Transformer — No
Vapor chamber — No
Weight 2.20 kg (4.85 lbs) CNC Aluminum 2.3 kg (5.07 lbs)

Connectivity

Connectivity specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 5i Gen 8 (2023)
Audio jack (3.5 mm) — Yes
Bluetooth — v5.2
DisplayPort — No
Ethernet (RJ45) — Yes
Fingerprint — No
HDMI — 1x HDMI 2.1
Infrared sensor — No
Optical drive — No
Proprietary charging port — Yes
SD card reader — Yes
Thunderbolt — Thunderbolt 4
USB Type-C — 2x USB 4.0
USB-A — 2x 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 Legion Slim 5i Gen 8 (2023)
Blender GPU — 1271
Solar Bay — 22751

Graphics Card

Graphics Card specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 5i Gen 8 (2023)
FLOPS — 7.9 TFLOPS
GPU base clock — 1530 MHz
GPU boost clock — 1740 MHz
GPU performance — 7.9 TFLOPS
Memory bus — 128 bit
Memory size — 6 GB
Memory speed — 12 Gbps
Memory type — GDDR6
Nvidia Optimus — Yes, Advanced Optimus
Raster operations pipelines (ROPs) — 40
Shading units (cores) — 2048
TGP — 95 W
Texture mapping units (TMUs) — 64

Input

Input specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 5i Gen 8 (2023)
Backlight — Yes
Key travel — 1.5 mm
Keyboard type — Island
Numpad — Yes
Surface — Plastic
Windows Precision — Yes

RAM

RAM specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 5i Gen 8 (2023)
Channels — 1x8 GB
Clock — 5200 MHz
Max. ram size — 32 GB
Total slots — 2
Upgradable — Yes

Sound

Sound specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 5i Gen 8 (2023)
Audio chip — Realtek ALC3287
Dolby Atmos — No
Microphones — 2
Power — 2x2W
Speakers — 2.0

Storage

Storage specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 5i Gen 8 (2023)
Bus — PCI-E Gen 4.0 (4x)
NVMe — Yes
Storage type — SSD (M2)

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