Dell XPS 16 (9640) vs Lenovo Legion Slim 7 Gen 8 (2023, AMD)

[ 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 7 Gen 8 (2023, AMD) (45/100), offering superior measured performance and technical specifications.

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Dell XPS 16 (9640) Lenovo Legion Slim 7 Gen 8 (2023, AMD)
Battery Life 82.0 Very Good
Display 96.0 Excellent
Gaming 84.0 Very Good WINNER 32.0 Poor
NanoReview Score 88.0 Very Good WINNER 45.0 Poor
Performance 89.0 Very Good WINNER 48.0 Poor

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 7 Gen 8 (2023, AMD)
Battery Wh 99.5 Wh
Battery type Li-Po
Charge power 135 / 170 / 230 W
Charging port position Bottom
Charging via USB (Power Delivery) Yes
Fast charging Yes
Replaceable No
Weight of AC adapter 836 grams

Design

Design specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 7 Gen 8 (2023, AMD)
Weight 2.20 kg (4.85 lbs) CNC Aluminum 2 kg (4.41 lbs)

Display

Display specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 7 Gen 8 (2023, AMD)
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 Yes, Dolby Vision
PPI 142 ppi
Refresh rate 165 Hz
Resolution 1920 x 1200 pixels
Size 16 inches
Sync technology G-Sync (configurable)
Touchscreen No
Type IPS LCD
sRGB color space 99%

Performance

Performance specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 7 Gen 8 (2023, AMD)
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 7 Gen 8 (2023, AMD)
Base frequency 3.3 GHz
Cores 6
Fabrication process 6 nm
Integrated GPU AMD Radeon 660M
L3 Cache 16 MB
Threads 12
Turbo frequency 4.5 GHz

Case

Case specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 7 Gen 8 (2023, AMD)
Area 928 cm2(143.8 inches2)
Colors White, Gray
Cooling system Active
Dimensions 357.7 x 259.3 x 17.6-19.9 mm14.08 x 10.21 x 0.69-0.78 inches
Liquid metal No
Material Aluminum
Noise level (max. load) 51.3 dB
Number of fans 2
Opening angle 180°
Screen-to-body ratio ~80%
Side bezels 6.5 mm
Transformer No
Vapor chamber No
Weight 2.20 kg (4.85 lbs) CNC Aluminum 2 kg (4.41 lbs)

Connectivity

Connectivity specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 7 Gen 8 (2023, AMD)
Audio jack (3.5 mm) Yes
Bluetooth v5.3
DisplayPort No
Ethernet (RJ45) No
Fingerprint Yes
HDMI 1x HDMI 2.1
Infrared sensor No
Optical drive No
Proprietary charging port Yes
SD card reader Yes
Thunderbolt No
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 7 Gen 8 (2023, AMD)
Blender GPU 1059
Solar Bay 33098

Graphics Card

Graphics Card specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 7 Gen 8 (2023, AMD)
FLOPS 8.1 TFLOPS
GPU base clock 1800 MHz
GPU boost clock 1975 MHz
GPU performance 8.1 TFLOPS
Memory bus 128 bit
Memory size 8 GB
Memory speed ~16 Gbps
Memory type GDDR6
Nvidia Optimus MUX
Raster operations pipelines (ROPs) 64
Shading units (cores) 2048
TGP 100 W
Texture mapping units (TMUs) 128

Input

Input specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 7 Gen 8 (2023, AMD)
Backlight Yes
Key travel 1.5 mm
Keyboard type Island
Numpad Yes
Surface Glass
Windows Precision Yes

RAM

RAM specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 7 Gen 8 (2023, AMD)
Channels 1x8 GB
Clock 5600 MHz
Max. ram size 32 GB
Total slots 1
Upgradable Yes

Sound

Sound specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 7 Gen 8 (2023, AMD)
Audio chip Realtek ALC3306
Dolby Atmos No
Loudness ~87 dB
Microphones 2
Power 2x2W
Speakers 2.0

Storage

Storage specifications comparison
Specification Dell XPS 16 (9640) Lenovo Legion Slim 7 Gen 8 (2023, AMD)
Bus PCI-E Gen 4.0 (4x)
NVMe Yes
Storage type SSD (M2)

Looking for More Comparisons?

Browse all available head-to-head comparisons or select new devices in the comparison hub.

Browse Laptops Comparisons → Launch Full Comparison Hub →