Dell XPS 16 (9640) vs Lenovo Slim 7 Pro X (14″ AMD)

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

Dell XPS 16 (9640) leads overall with a score of 88/100 compared to Lenovo Slim 7 Pro X (14″ AMD) (63/100), 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 Slim 7 Pro X (14″ AMD)
Battery Life 82.0 Very Good
Display 96.0 Excellent
Gaming 84.0 Very Good WINNER 17.0 Poor
NanoReview Score 88.0 Very Good WINNER 63.0 Average
Performance 89.0 Very Good WINNER 55.0 Below Average

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim 7 Pro X (14″ AMD)
Battery Wh 99.5 Wh
Battery type Li-Po
Charge power 100 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 411 grams

Design

Design specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim 7 Pro X (14″ AMD)
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.45 kg (3.2 lbs)

Display

Display specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim 7 Pro X (14″ AMD)
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 250 ppi
Refresh rate 120 Hz
Resolution 3072 x 1920 pixels
Size 14.5 inches
Sync technology G-Sync
Touchscreen No
Type IPS LCD
sRGB color space 100%

Performance

Performance specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim 7 Pro X (14″ 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 Slim 7 Pro X (14″ AMD)
Base frequency 3.2 GHz
Cores 8
Fabrication process 6 nm
Integrated GPU AMD Radeon 680M
L3 Cache 16 MB
Threads 16
Turbo frequency 4.7 GHz

Case

Case specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim 7 Pro X (14″ AMD)
Area 727 cm2(112.7 inches2)
Colors Gray
Cooling system Active
Dimensions 328.2 x 221.4 x 15.9 mm12.92 x 8.72 x 0.63 inches
Liquid metal No
Material Aluminum
Noise level (max. load) 47.7 dB
Number of fans 2
Opening angle 180°
Screen-to-body ratio ~83.9%
Side bezels 7.9 mm
Transformer No
Vapor chamber No
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.45 kg (3.2 lbs)

Connectivity

Connectivity specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim 7 Pro X (14″ AMD)
Audio jack (3.5 mm) Yes
Bluetooth v5.2
DisplayPort No
Ethernet (RJ45) No
Fingerprint No
HDMI No
Infrared sensor Yes
Optical drive No
Proprietary charging port No
SD card reader No
Thunderbolt No
USB Type-C 2x USB 3.2
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 Slim 7 Pro X (14″ AMD)
Blender GPU 350

Graphics Card

Graphics Card specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim 7 Pro X (14″ AMD)
FLOPS 3.2 TFLOPS
GPU base clock 1380 MHz
GPU boost clock 1560 MHz
GPU performance 3.2 TFLOPS
Memory bus 128 bit
Memory size 4 GB
Memory speed ~12 Gbps
Memory type GDDR6
Nvidia Optimus Yes, Advanced Optimus
Raster operations pipelines (ROPs) 32
Shading units (cores) 1024
TGP 55 W
Texture mapping units (TMUs) 64

Input

Input specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim 7 Pro X (14″ AMD)
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 7 Pro X (14″ AMD)
Channels 2x8 GB
Clock 6400 MHz
Upgradable No

Sound

Sound specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim 7 Pro X (14″ AMD)
Audio chip Realtek ALC3287
Dolby Atmos Yes
Loudness ~77.8 dB
Microphones 2
Power 2x2W
Speakers 2.0

Storage

Storage specifications comparison
Specification Dell XPS 16 (9640) Lenovo Slim 7 Pro X (14″ AMD)
Bus PCI-E Gen 4.0 (4x)
NVMe Yes
Storage type SSD (M2)
Total slots 1

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 →