DELL 14 Premium DA14250 Intel Core Ultra 7 255H Laptop 36.8 cm (14.5") WUXGA 16 GB LPDDR5x-SDRAM 512 GB SSD Wi-Fi 7 (802.11be) Windows 11 Pro UK International Platinum

Technical Specifications

Processor

Performance-core base frequency: 2 GHz

Performance cores: 6

Efficient cores: 8

Processor base power: 28 W

Processor generation: Intel Core Ultra (Series 2)

Maximum turbo power: 115 W

Efficient-core base frequency: 1.5 GHz

Processor cores: 16

Processor family: Intel Core Ultra 7

Processor manufacturer: Intel

Graphics

On-board GPU manufacturer: Intel

On-board graphics card model: Intel Arc 140T

Discrete graphics card model: Not available

On-board graphics card family: Intel Arc Graphics

Discrete graphics card: No

On-board graphics card: Yes

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Memory

Maximum internal memory: 16 GB

Memory form factor: On-board

Internal memory type: LPDDR5x-SDRAM

Memory channels: Dual-channel

Internal memory: 16 GB

Memory data transfer rate: 6400 MT/s

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Design

Product colour: Platinum

Product type: Laptop

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Power

AC adapter input voltage: 100 – 240 V

USB Power Delivery (USB PD): Yes

AC adapter power: 60 W

AC adapter frequency: 50 – 60 Hz

USB Type-C charging port: Yes

USB Type-C required charging power (min): 27 W

USB Type-C required charging power (max): 60 W

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Security

Fingerprint reader: Yes

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Operational conditions

Operating temperature (T-T): 0 – 35 °C

Storage temperature (T-T): -40 – 65 °C

Storage relative humidity (H-H): 0 – 95%

Operating relative humidity (H-H): 10 – 90%

Operating altitude: -15.2 – 3048 m

Non-operating shock: 160 G

Non-operating altitude: -15.2 – 10668 m

Operating vibration: 0.66 G

Non-operating vibration: 1.3 G

Operating shock: 110 G

Weight & dimensions

Width: 320 mm

Height (rear): 1.8 cm

Height (front): 6.7 mm

Depth: 216 mm

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Network

WLAN controller manufacturer: Intel

Bluetooth: Yes

Antenna type: 2×2

Wi-Fi data rate (max): 5800 Mbit/s

Mobile network connection: No

Wi-Fi standards: Wi-Fi 4 (802.11n)

Wi-Fi band: Tri-band (2.4 GHz / 5 GHz / 6 GHz)

Top Wi-Fi standard: Wi-Fi 7 (802.11be)

WLAN controller model: Intel Wi-Fi 7 BE201

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Performance

Ambient light sensor: Yes

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Packaging content

AC adapter included: Yes

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Display

RGB colour space: sRGB

Display diagonal: 36.8 cm (14.5")

HD type: WUXGA

Display resolution: 1920 x 1200 pixels

Native aspect ratio: 16:10

Touchscreen:

Touchscreen: No

Contrast ratio (typical): 2000:1

Display brightness: 500 cd/m²

Colour gamut: 100%

Display bezel technology: InfinityEdge

Display response rise/fall: 24 ms

Low Blue Light technology: Yes

Panel type: IPS

Maximum refresh rate: 120 Hz

Pixel density: 156 ppi

Software

Operating system installed: Windows 11 Pro

Trial software: McAfee Business Protection 1-year,Activate Your Microsoft 365 For A 30 Day Trial

Operating system architecture: 64-bit

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Audio

Audio system: MaxxAudio Pro

Built-in microphone: Yes

Audio chip: Cirrus Logic CS42L43

Speaker power: 2.5 W

Speakers manufacturer: Waves

Number of built-in speakers: 4

Number of microphones: 2

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Storage

Storage media: SSD

SSD form factor: M.2

Total storage capacity: 512 GB

Compatible memory cards: MicroSDHC

SSD capacity: 512 GB

Total SSDs capacity: 512 GB

Number of SSDs installed: 1

SSD interface: PCI Express 4.0

Optical drive type: No

Card reader integrated: Yes

Ports & interfaces

Thunderbolt 4 ports quantity: 3

Intel® Thunderbolt 4: Yes

Combo headphone/mic port: Yes

USB Type-C DisplayPort Alternate Mode: Yes

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Camera

Infrared (IR) camera: Yes

Video capturing speed: 30 fps

Front camera resolution (numeric): 2.07 MP

Front camera: Yes

Front camera resolution: 1920 x 1080 pixels

Front camera HD type: Full HD

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Battery

Battery voltage: 11.7 V

Battery technology: Lithium Polymer (LiPo)

Number of battery cells: 6

Battery recharge time: 2 h

Fast charging: Yes

Battery capacity: 70 Wh

Battery weight: 270 g

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Keyboard

Pointing device: Touchpad

Numeric keypad: No

Keyboard backlit: Yes

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Carbon footprint

Carbon emissions, manufacturing (kg of CO2e): 268.46

Carbon emissions, logistics (kg of CO2e): 16.12

Total carbon footprint (kg of CO2e): 329

Total carbon emissions, standard deviation (kg of CO2e): 60

PAIA version: PAIA 1.4.7, 2025

Carbon emissions, end-of-life (kg of CO2e): 1.97

Carbon emissions, energy usage (kg of CO2e): 42.44

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Neural processor unit (NPU)

AI software frameworks supported by NPU: ONNX RT

Total processor performance up to: 96 TOPs

NPU performance up to: 13 TOPs

Neural processor unit (NPU): Intel AI Boost

Sparsity support: Yes

Windows Studio effects support: Yes

GPU performance up to: 74 TOPs

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