Dell XPS 16 (9640) vs Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel)

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

Dell XPS 16 (9640) leads overall with a score of 88/100 compared to Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel) (52/100), offering superior measured performance and technical specifications.

Why choose Dell XPS 16 (9640):
  • + Higher DeviceBenchmark Score score (88 vs 52)
  • + Higher Performance score (89 vs 54)
  • + Higher Gaming score (84 vs 20)

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Dell XPS 16 (9640) Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel)
Battery Life 82.0 Very Good —
DeviceBenchmark Score 88.0 Very Good WINNER 52.0 Below Average
Display 96.0 Excellent —
Gaming 84.0 Very Good WINNER 20.0 Poor
Performance 89.0 Very Good WINNER 54.0 Below Average

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Dell XPS 16 (9640) Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel)
Battery Wh 99.5 Wh —
Battery type — Li-Po
Charge power — 135 / 170 / 230 W
Charging port position — Left
Charging via USB (Power Delivery) — Yes
Fast charging — Yes
Replaceable — No
Weight of AC adapter — 534 / 882 grams

Design

Design specifications comparison
Specification Dell XPS 16 (9640) Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel)
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.81 kg (3.99 lbs)

Display

Display specifications comparison
Specification Dell XPS 16 (9640) Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel)
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 — 189 ppi
Refresh rate — 60 Hz
Resolution — 2560 x 1600 pixels
Size — 16 inches
Sync technology — No
Touchscreen — No
Type — IPS LCD
sRGB color space — 100%

Performance

Performance specifications comparison
Specification Dell XPS 16 (9640) Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel)
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 ThinkPad X1 Extreme Gen 4 16" (Intel)
Base frequency — 1.9-2.3 GHz
Cores — 8
Fabrication process — 10 nm
Integrated GPU — Intel UHD Graphics for 11th Gen (32 EU)
L3 Cache — 24 MB
Threads — 16
Turbo frequency — 4.6 GHz

Case

Case specifications comparison
Specification Dell XPS 16 (9640) Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel)
Area — 912 cm2(141.4 inches2)
Colors — Black
Cooling system — Active
Dimensions — 359.5 x 253.8 x 17.7 mm14.15 x 9.99 x 0.7 inches
Liquid metal — No
Material — Top: Carbon fiberMiddle: AluminumBottom: Aluminum
Noise level (max. load) — 52.4 dB
Number of fans — 2
Opening angle — 180°
Screen-to-body ratio — ~81.4%
Side bezels — 7.4 mm
Transformer — No
Vapor chamber — Yes
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.81 kg (3.99 lbs)

Connectivity

Connectivity specifications comparison
Specification Dell XPS 16 (9640) Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel)
Audio jack (3.5 mm) — Yes
Bluetooth — v5.2
DisplayPort — No
Ethernet (RJ45) — No
Fingerprint — Yes
HDMI — 1x HDMI 2.1
Infrared sensor — Yes
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 ThinkPad X1 Extreme Gen 4 16" (Intel)
Blender GPU — 991
Solar Bay — 17054

Graphics Card

Graphics Card specifications comparison
Specification Dell XPS 16 (9640) Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel)
FLOPS — 5.3 TFLOPS
GPU base clock — 735 MHz
GPU boost clock — 1035 MHz
GPU performance — 5.3 TFLOPS
Memory bus — 128 bit
Memory size — 4 GB
Memory speed — 12 Gbps
Memory type — GDDR6
Nvidia Optimus — Yes
Raster operations pipelines (ROPs) — 48
Shading units (cores) — 2560
TGP — 35 W
Texture mapping units (TMUs) — 80

Input

Input specifications comparison
Specification Dell XPS 16 (9640) Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel)
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 ThinkPad X1 Extreme Gen 4 16" (Intel)
Channels — 2x8 GB
Clock — 3200 MHz
Max. ram size — 64 GB
Total slots — 2
Upgradable — Yes

Sound

Sound specifications comparison
Specification Dell XPS 16 (9640) Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel)
Audio chip — Realtek ALC3306
Dolby Atmos — Yes
Loudness — ~76.3 dB
Microphones — 2
Power — 2x2W
Speakers — 2.0

Storage

Storage specifications comparison
Specification Dell XPS 16 (9640) Lenovo ThinkPad X1 Extreme Gen 4 16" (Intel)
Bus — PCI-E Gen 4.0 (4x)
NVMe — Yes
Storage type — SSD (M2)

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