Dell XPS 16 (9640) vs Lenovo Yoga Book 9i 14" (Gen 10, 2025)

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

Dell XPS 16 (9640) leads overall with a score of 88/100 compared to Lenovo Yoga Book 9i 14" (Gen 10, 2025) (71/100), offering superior measured performance and technical specifications.

[ WINNER ]
Dell XPS 16 (9640)
Dell

Dell XPS 16 (9640)

88/100
· $1899
View Full Specs →
Lenovo Yoga Book 9i 14" (Gen 10, 2025)
Lenovo

Lenovo Yoga Book 9i 14" (Gen 10, 2025)

71/100
View Full Specs →

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
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 71.0 Good
Performance 89.0 Very Good WINNER 72.0 Good

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
Battery Wh 99.5 Wh —
Battery type — Li-Po
Charge power — 65 W
Charging port position — Left, Right
Charging via USB (Power Delivery) — Yes
Fast charging — Yes
Replaceable — No

Design

Design specifications comparison
Specification Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.22 kg (2.69 lbs)

Display

Display specifications comparison
Specification Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
Screen Size 16.3 inches 4K+ OLED Touch (3840 x 2400) —
Adaptive refresh rate — Yes (48-120 Hz)
Ambient light sensor — Yes
Aspect ratio — 16:10
Coating — Glossy (Antireflective)
Contrast — 1000000:1
DCI-P3 color gamut — 100%
HDR support — Yes, Dolby Vision
PPI — 243 ppi
Refresh rate — 120 Hz
Resolution — 2880 x 1800 pixels
Response time — 1 ms
Size — 14 inches
Sync technology — No
Touchscreen — Yes
Type — OLED

Performance

Performance specifications comparison
Specification Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
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 Yoga Book 9i 14" (Gen 10, 2025)
Base frequency — 2.0 GHz
Cores — 16 (6P + 10E)
Fabrication process — 3 nm
Integrated GPU — Arc Graphics 140T
L3 Cache — 24 MB
Threads — 16
Turbo frequency — 5.1 GHz

Case

Case specifications comparison
Specification Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
Area — 660 cm2(102.4 inches2)
Colors — Green
Cooling system — Active
Dimensions — 315.09 x 209.56 x 15.5-15.95 mm12.41 x 8.25 x 0.61-0.63 inches
Liquid metal — No
Number of fans — 1
Opening angle — 360°
Screen-to-body ratio — ~86.1%
Side bezels — 6.8 mm
Transformer — Yes
Vapor chamber — No
Weight 2.20 kg (4.85 lbs) CNC Aluminum 1.22 kg (2.69 lbs)

Connectivity

Connectivity specifications comparison
Specification Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
Audio jack (3.5 mm) — Yes
Bluetooth — v5.4
DisplayPort — No
Ethernet (RJ45) — No
Fingerprint — No
HDMI — No
Infrared sensor — Yes
Optical drive — No
Proprietary charging port — No
SD card reader — No
Thunderbolt — Thunderbolt 4
USB Type-C — 3x USB 4.0
USB-A — No
VGA — No
Webcam — Above the display
Webcam resolution — 2560 x 1440
Wi-Fi standard — v7

GPU Benchmarks

GPU Benchmarks specifications comparison
Specification Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
Blender GPU — 716
Solar Bay — 13095

Graphics Card

Graphics Card specifications comparison
Specification Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
FLOPS — 4.6 TFLOPS
GPU base clock — 300 MHz
GPU boost clock — 2250 MHz
GPU performance — 4.6 TFLOPS
Memory size — System Shared
Memory speed — 8.53 Gbps
Memory type — LPDDR5X
Raster operations pipelines (ROPs) — 32
Shading units (cores) — 1024
TGP — 35 W
Texture mapping units (TMUs) — 64

Input

Input specifications comparison
Specification Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
Key travel — 1.5 mm
Keyboard type — Island
Numpad — No

RAM

RAM specifications comparison
Specification Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
Channels — 2x8 GB
Clock — 8533 MHz
Upgradable — No

Sound

Sound specifications comparison
Specification Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
Dolby Atmos — Yes
Microphones — 2
Power — 4x2W
Speakers — 4.0

Storage

Storage specifications comparison
Specification Dell XPS 16 (9640) Lenovo Yoga Book 9i 14" (Gen 10, 2025)
Bus — PCI-E Gen 4.0 (4x)
NVMe — Yes
Storage type — SSD (M2)
Total slots — 1

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