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.

Why choose Dell XPS 16 (9640):
  • + Higher DeviceBenchmark Score score (88 vs 63)
  • + Higher Performance score (89 vs 55)
  • + Higher Gaming score (84 vs 17)

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 —
DeviceBenchmark Score 88.0 Very Good WINNER 63.0 Average
Display 96.0 Excellent —
Gaming 84.0 Very Good WINNER 17.0 Poor
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

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