Lenovo Yoga Book 9i 14" (Gen 10, 2025) vs Dell XPS 14 9440 (2024)

Please select specific configurations for the laptops to get a more accurate comparative review
Display 2880 x 1800
CPU Intel Core Ultra 7 255H
RAM
Storage

Review

Evaluation of Lenovo Yoga Book 9i 14" (Gen 10, 2025) and Dell XPS 14 9440 (2024) important characteristics
Performance
System and application performance
Gaming
Performance in popular 3D games
Display
Viewing angle, color accuracy, brightness
Battery Life
Potential battery life in light and average use
Connectivity
Ports, webcam and other interfaces
Portability
Design, materials, durability and usability
Pick the usage scenario that best matches your needs
Primary usage:

Value for money (Beta)

Please input up-to-date prices for the selected laptop configurations to get an accurate value-for-money index.
Currency
VS
40.2
(Average)
Value Index
41.2
(Average)

Key Differences

What are the key differences between the notebooks
Advantages of the Lenovo Yoga Book 9i 14" (Gen 10, 2025)
  • Significantly easier to carry: weighs 460 grams less (around 1.01 lbs)
  • Features a bigger (~27%) battery – 88 against 69.5 watt-hours
  • Around 10% better multi-core CPU performance in the Cinebench 2024 test
  • Display has support for touch input
  • Better webcam recording quality
  • 56% sharper screen – 243 versus 156 pixels per inch (PPI)
  • Provides 20% higher max. screen brightness: 600 vs 500 nits
Advantages of the Dell XPS 14 9440 (2024)
  • Can run popular games at about 43-59% higher FPS
  • Performs significantly better (up to 81%) in 3DMark Steel Nomad Lite
  • Thinner bezels and 2% higher screen-to-body ratio

Tests and Specifications

Comparison table of test results and technical specs

Case

Weight 1.22 kg (2.69 lbs) 1.68 kg (3.7 lbs)
Dimensions 315.09 x 209.56 x 15.5-15.95 mm
12.41 x 8.25 x 0.61-0.63 inches
320 x 215.98 x 6.7-18.03 mm
12.6 x 8.5 x 0.26-0.71 inches
Area 660 cm2 (102.4 inches2) 691 cm2 (107.1 inches2)
Screen-to-body ratio ~86.1% ~88.2%
Side bezels 6.8 mm 3.8 mm
Colors Green Silver, Gray
Material - Aluminum
Transformer Yes No
Opening angle 360° 135°
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Liquid metal No No
Number of fans 1 2
Noise level (max. load) - 43.3 dB

Display

Size 14 inches 14.5 inches
Type OLED IPS LCD
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (48-120 Hz) Yes (30-120 Hz)
PPI 243 ppi 156 ppi
Aspect ratio 16:10 16:10
Resolution 2880 x 1800 pixels 1920 x 1200 pixels
HDR support Yes, Dolby Vision Yes, Dolby Vision
Sync technology No No
Touchscreen Yes No
Coating Glossy (Antireflective) Matte
Ambient light sensor Yes Yes
Screen space comparison
XPS 14 9440 (2024)
14.5″ (16:10 ratio) = 94.5 in2
Yoga Book 9i 14" (Gen 10, 2025)
14″ (16:10 ratio) = 88.1 in2
~7% more screen space
Display tests
Contrast 1000000:1 2000:1
sRGB color space - 100%
DCI-P3 color gamut 100% -
Response time 1 ms -
Max. brightness

Battery

Capacity
Voltage - 11.7 V
Full charging time - 1:45 hr
Battery type Li-Po Li-Po
Replaceable No No
Fast charging Yes Yes
Charging via USB (Power Delivery) Yes Yes
Charging port position Left, Right Left, Right
Charge power 65 W 60 / 100 W
Cable length - 1 meters
Weight of AC adapter - 263 / 357 grams

CPU

CPU name
Base frequency 2.0 GHz 1.4 GHz
Turbo frequency 5.1 GHz 4.8 GHz
Cores 16 (6P + 10E) 16 (6P + 10E)
Threads 16 22
L3 Cache 24 MB 24 MB
Integrated GPU Arc Graphics 140T Arc Graphics (8-Cores)
Fabrication process 3 nm 7 nm

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench 2024 (Single-Core)
Cinebench 2024 (Multi-Core)

Graphics Card

GPU name
TGP 35 W 30-40 W
Nvidia Optimus - Yes
Type Integrated Dedicated
Fabrication process 5 nm 5 nm
GPU base clock 300 MHz 1140 MHz
GPU boost clock 2250 MHz 1605 MHz
FLOPS 4.6 TFLOPS 8.2 TFLOPS
Memory size System Shared 6 GB
Memory type LPDDR5X GDDR6
Memory bus - 96 bit
Memory speed 8.53 Gbps ~16 Gbps
Shading units (cores) 1024 2560
Texture mapping units (TMUs) 64 80
Raster operations pipelines (ROPs) 32 32
GPU performance 4.6 TFLOPS 8.2 TFLOPS

GPU Benchmarks

Steel Nomad Lite Score
Blender GPU 716 1829
Solar Bay 13095 26055
Expected FPS based on average performance across 9 popular games. Details

RAM

RAM size
Channels 2x8 GB 2x8 GB
Clock 8533 MHz 7467 MHz
Type LPDDR5X LPDDR5X
Upgradable No No

Storage

Storage size
Bus PCI-E Gen 4.0 (4x) PCI-E Gen 4.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x512 GB 1x512 GB
Upgradable Yes Yes
Total slots 1 2
NVMe Yes Yes

Sound

Audio chip - CirrusLogic CS42L43
Speakers 4.0 2.2 (2 tweeters and 2 woofers)
Power 4x2W 4x2W
Dolby Atmos Yes Yes
Loudness - ~82.8 dB
Microphones 2 2

Connectivity

Wi-Fi standard v7 v6E
Bluetooth v5.4 v5.3
Fingerprint No No
Infrared sensor Yes Yes
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 2560 x 1440 1920 x 1080
Ports
USB-A No No
USB Type-C 3x USB 4.0 3x USB 4.0
Thunderbolt Thunderbolt 4 Thunderbolt 4
HDMI No No
DisplayPort No No
VGA No No
Audio jack (3.5 mm) Yes Yes
Ethernet (RJ45) No No
SD card reader No Yes
Proprietary charging port No No

Input

Keyboard
Keyboard type Island Island
Numpad No No
Backlight - Yes
Key travel 1.5 mm 1 mm
Touchpad
Size - 14.9 x 7.4 cm
Surface - Glass
Windows Precision - Yes
Further details
Notes on Yoga Book 9i 14" (Gen 10, 2025):
    - Has a POLED screen.
Notes on XPS 14 9440 (2024):
    - The RAM operates at 7467 MHz only in configurations with the RTX 4070 graphics card. Other configurations run at 6400 MHz.
    - Included are two adapters: one from USB-C to USB-A and another from USB-C to HDMI 2.0.
*Disclaimer! Ports, speakers, display, and other specifications can vary depending on the laptop's specific configuration or region.

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