LG Gram 17Z90T-G.AA78A1 Intel Core Ultra 7 5.1 GHz 43.2 cm 17" 2560 x 1600 pixel 17Z90T-G.AA78A1

LG Gram 17Z90T-G.AA78A1. Product type: Ultraportable, Form factor: Clamshell. Processor family: Intel Core Ultra 7, Processor model: 255H, Processor frequency: 5.1 GHz. Display diagonal: 43.2 cm (17"), HD type: 2.5K, Display resolution: 2560 x 1600 pixels. Internal memory: 16 GB, Internal memory type: LPDDR5x-SDRAM. Total storage capacity: 1 TB, Storage media: SSD. On-board graphics card model: Intel Arc 140T. Operating system installed: Windows 11 Home. Product colour: Black

Processor special features


Video encode engine

Yes


Video decode engine

Yes



Processor


Processor cache

24 MB


Low Power Efficient-core Max Turbo Frequency

2.5 GHz


Performance cores

6


Low Power Efficient-cores

2


Performance-core Max Turbo Frequency

5.1 GHz


Performance-core base frequency

2 GHz


Efficient cores

8


Processor cache type

Smart Cache


Processor family

Intel Core Ultra 7


Efficient-core Max Turbo Frequency

4.4 GHz


Processor boost frequency

5.1 GHz


Efficient-core base frequency

1.5 GHz


Processor generation

Intel Core Ultra (Series 2)


Processor frequency

5.1 GHz


Low Power Efficient-core Base Frequency

700 MHz


Processor model

255H


Processor threads



Processor manufacturer

Intel


Processor cores



Processor codename

Lunar Lake



Memory


Internal memory type

LPDDR5x-SDRAM


Memory clock speed

7467 MHz


Internal memory
GB


Memory form factor

On-board


Maximum internal memory
GB


Memory channels

Dual-channel



Keyboard


Windows keys

Yes


Keyboard number of keys
1


Numeric keypad

Yes


Keyboard backlit colour

White


Keyboard layout

QWERTY


Pointing device

Touchpad


Copilot key

Yes


Full-size keyboard

Yes


Keyboard backlit

Yes



Certificates


MIL-STD-810G compliant

Yes


Certification

MIL-STD-810H



Other features


Warranty period

1 year(s)



Ports & interfaces


HDMI ports quantity

1


Thunderbolt 4 ports quantity

2


USB 3?2 Gen 1 (3?1 Gen 1) Type-A ports quantity

2


Microphone in

Yes


USB Type-C DisplayPort Alternate Mode

Yes


Headphone outputs

1


Thunderbolt technology

Yes


HDMI version

2.1


Combo headphone/mic port

Yes


USB4 Gen 3x2 ports quantity

2


Thunderbolt version

4


Headphone connectivity

3.5mm / Bluetooth



Security


Cable lock slot type

Kensington


Cable lock slot

Yes


Security management description

LG Security


Fingerprint reader

Yes



Design


Original brand name

LG gram


Colour name

Obsidian Black


Country of origin

China


Product type

Ultraportable


Product colour

Black


Housing material

Magnesium


Form factor

Clamshell


Market positioning

Premium



Graphics


On-board graphics card family

Intel Arc Graphics


On-board graphics card 4K support

Yes


On-board graphics card

Yes


On-board graphics card 8K support

Yes


On-board graphics card 6K support

Yes


On-board graphics card model

Intel Arc 140T


Discrete graphics card

No


On-board graphics card cores

8



Storage


Storage media

SSD


SSD capacity

1 TB


SSD form factor

M.2


Total SSDs capacity

1 TB


SSD interface

M.2, PCI Express


Total storage capacity

1 TB


Optical drive type

No


Number of SSDs installed

1



Weight & dimensions


Height (rear)

1.78 cm


Height (front)

1.6 cm


Width

378.8 mm


Depth

258.8 mm


Weight

1.35 kg



Packaging content


Warranty card

Yes


Manual

Yes


Power cord included

Yes


AC adapter included

Yes



Neural processor unit (NPU)


Windows Studio effects support

Yes


GPU performance up to

74 TOPs


Neural processor unit (NPU)

Intel AI Boost


AI software frameworks supported by NPU

DirectML, ONNX RT, OpenVINO, WebNN, Windows ML


Sparsity support

Yes


Total processor performance up to

96 TOPs


AI datatype support on NPU

Int8


NPU performance up to
TOPs



Network


Wi-Fi standards

Wi-Fi 7 (802.11be)


Antenna type

2x2


Bluetooth

Yes


Wi-Fi

Yes


Top Wi-Fi standard

Wi-Fi 7 (802.11be)


WLAN controller manufacturer

Intel


WLAN controller model

Intel Wi-Fi 7 BE201


Bluetooth version

5.3


Mobile network connection

No



Brand-specific features


Brand specific technologies

Intelligent Privacy, Wide color (P3)



Battery


Battery technology

Lithium-Ion (Li-Ion)


Battery capacity

77 Wh



Software


Operating system architecture

64-bit


Trial software

McAfee Live Safe (30 Days Trial), Microsoft 365 (30 Days Trial)


Microsoft Copilot

Yes


Operating system installed

Windows 11 Home


Pre-installed software

gram Chat, LG Smart Assistant, LG gram Link, LG Security Guard, LG Lively Theme, LG Glance by Mirametrix, Dolby Atmos, Intel Connectivity Performance Suite, LG xboom buds



Camera


Front camera HD type

Full HD


Infrared (IR) camera

No


Front camera

Yes


Front camera resolution
20 x 1080 pixels



Operational conditions


Drop proof
2 cm



Audio


Audio system

Dolby Atmos


Number of built-in speakers

2


Built-in microphone

Yes


Built-in subwoofer

Yes


Speaker power

2 W


Number of microphones

2



Power


USB Type-C required charging power (min)

65 W


USB Power Delivery (USB PD)

Yes


USB Type-C charging port

Yes



Display


Touchscreen

No


Display surface

Matt


LED backlight

Yes


Maximum refresh rate

60 Hz


Anti-glare screen

Yes


Native aspect ratio
:10


Display diagonal

43.2 cm (17")


Panel type

IPS-Pro


Colour gamut

99


Screen shape

Flat


Contrast ratio (typical)
00:1


Display brightness

350 cd/m


DCI-P3 coverage

99


Display resolution

2560 x 1600 pixels


HD type

2.5K


RGB colour space

DCI-P3



Packaging data


Package height

60 mm


Package depth

370 mm


Package width

499 mm


Package weight

2.3 kg