LG 17Z90T-G.AA78B laptop Intel Core Ultra 7 255H

17Z90T-G.AA78B laptop Intel Core Ultra 7 255H

43.2 cm (17") WQXGA 16 GB LPDDR5x-SDRAM 1 TB HDD Wi-Fi 7 (802.11be) Windows 11 Home Black

Model 17Z90T-G.AA78BEAN 8806096458143

90 specifications Checked today

Display43.2 cm (17")
Resolution2560 x 1600 pixels
ProcessorIntel Core Ultra 7
Memory16 GB
Storage1 TB
Battery77 Wh

See all specifications

Overview

Display: 43.2 cm (17")
Resolution: 2560 x 1600 pixels
Processor: Intel Core Ultra 7
Memory: 16 GB
Storage: 1 TB
Battery: 77 Wh

Brand: LG
Category: Laptop
Model: 17Z90T-G.AA78B
Part number: 17Z90T-G.AA78B
EAN / UPC: 8806096458143
Also known as: LG 17Z90T-G.AA78B laptop Intel Core Ultra 7 255H 43.2 cm (17") WQXGA 16 GB LPDDR5x-SDRAM 1 TB HDD Wi-Fi 7 (802.11be) Windows 11 Home Black

Specifications

90 specifications in 19 groups

Design

Specification	Value
Product type	Laptop
Product colour	Black
Form factor	Clamshell

Display

Specification	Value
Display diagonal	43.2 cm (17")
Display resolution	2560 x 1600 pixels
Touchscreen	No
HD type	WQXGA
Panel type	IPS
Native aspect ratio	16:10
Display brightness	350 cd/m²
Colour gamut	99%
Display diagonal (metric)	43.18 cm
RGB colour space	DCI-P3

Processor

Specification	Value
Processor manufacturer	Intel
Processor family	Intel Core Ultra 7
Processor model	255H
Processor cores	16
Processor threads	16
Processor boost frequency	5.1 GHz
Performance cores	6
Efficient cores	8
Low Power Efficient-cores	2
Performance-core Max Turbo Frequency	5.1 GHz
Efficient-core Max Turbo Frequency	4.4 GHz
Low Power Efficient-core Max Turbo Frequency	2.5 GHz
Performance-core base frequency	2 GHz
Efficient-core base frequency	1.5 GHz
Low Power Efficient-core Base Frequency	700 MHz
Processor cache	24 MB
Processor cache type	Smart Cache

Neural processor unit (NPU)

Specification	Value
Neural processor unit (NPU)	Intel AI Boost
Sparsity support	Yes
Windows Studio effects support	Yes
AI datatype support on NPU	Int8
AI software frameworks supported by NPU	DirectML, ONNX RT, OpenVINO, WebNN, Windows ML
Total processor performance up to	96 TOPs
NPU performance up to	13 TOPs
GPU performance up to	74 TOPs

Memory

Specification	Value
Internal memory	16 GB
Internal memory type	LPDDR5x-SDRAM
Memory clock speed	7467 MHz

Storage

Specification	Value
Total storage capacity	1 TB
Storage media	HDD
Total HDDs capacity	1 TB
NVMe	Yes
SSD form factor	M.2

Graphics

Specification	Value
On-board graphics card	Yes
On-board graphics card family	Intel Arc Graphics
On-board graphics card model	Intel Arc 140T

Audio

Specification	Value
Audio system	Dolby Atmos
Number of built-in speakers	2
Speaker power	2 W
Built-in subwoofer	Yes
Built-in microphone	Yes

Camera

Specification	Value
Front camera	Yes
Front camera HD type	Full HD

Network

Specification	Value
Top Wi-Fi standard	Wi-Fi 7 (802.11be)
Wi-Fi standards	Wi-Fi 7 (802.11be)
Antenna type	2x2
WLAN controller model	Intel Wi-Fi 7 BE201
Ethernet LAN	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s
Bluetooth	Yes
Bluetooth version	5.3

Ports & interfaces

Specification	Value
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
USB4 Gen 3x2 ports quantity	2
HDMI ports quantity	1
Thunderbolt 4 ports quantity	2
Combo headphone/mic port	Yes

Keyboard

Specification	Value
Pointing device	Touchpad
Numeric keypad	Yes

Software

Specification	Value
Operating system installed	Windows 11 Home

Battery

Specification	Value
Battery technology	Lithium Polymer (LiPo)
Battery capacity	77 Wh
Battery life (max)	20 h

Power

Specification	Value
USB Type-C charging port	Yes
USB Type-C required charging power (min)	65 W
USB Power Delivery (USB PD)	Yes

Security

Specification	Value
Cable lock slot	Yes
Cable lock slot type	Kensington
Fingerprint reader	Yes

Weight & dimensions

Specification	Value
Weight	1.35 kg
Width	378.8 mm
Depth	258.8 mm
Height	16 mm

Packaging data

Specification	Value
Package width	499 mm
Package depth	307 mm
Package height	60 mm
Package weight	2.3 kg

Packaging content

Specification	Value
AC adapter included	Yes

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