LG Gram 17Z90T-G.AA78A1 laptop Intel Core Ultra 7 255H Ultraportable 43.2 cm (17") 2.5K 16 GB LPDDR5x-SDRAM 1 TB SSD Wi-Fi 7 (802.11be) Windows 11 Home Black
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Product Information
- Hybrid AI laptop with 17-inch large screen and 16mm thin & 1,389g lightweight body.
- Experience Hybrid AI that combines cloud and on-device AI to deliver professional results, enhanced by the powerful capabilities of the Copilot and gram AI for elevated productivity.
- Powered by Intel Core Ultra 7 255H processor , the LG gram delivers exceptional performance for professional-grade graphics work and video editing.
- Pro-grade IPS display - Features a wide colour gamut range with DCI-P3 99% (Typ.), delivering vivid and lifelike colours that elevate your creative process.
- Ultra-portable, ultra-durable - You’ll be surprised how our gram thrives under pressure. Its tough endurance is proven by rigorous military standard tests (MIL-STD 810H). Designed with finesse, to endure.
- gram Link - LG gram easily connects as many as 10 devices all at once, even iOS and Android. Share, collaborate, and create by turning your workspace into a concert of technology
Product
Name
LG Gram 17Z90T-G.AA78A1 laptop Intel Core Ultra 7 255H Ultraportable 43.2 cm (17") 2.5K 16 GB LPDDR5x-SDRAM 1 TB SSD Wi-Fi 7 (802.11be) Windows 11 Home Black
Category
Brand
Display
Display diagonal
43.2 cm (17")
Display resolution
2560 x 1600 pixels
Touchscreen
No
HD type
2.5K
Panel type
IPS-Pro
LED backlight
Yes
Native aspect ratio
16:10
Display surface
Matt
Anti-glare screen
Yes
Screen shape
Flat
Display brightness
350 cd/m²
RGB colour space
DCI-P3
Colour gamut
99%
Maximum refresh rate
60 Hz
Contrast ratio (typical)
1200:1
DCI-P3 coverage
99%
Processor
Processor family
Intel Core Ultra 7
Processor manufacturer
Intel
Processor model
255H
Processor frequency
5.1 GHz
Processor generation
Intel Core Ultra (Series 2)
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
Processor codename
Lunar Lake
Ports & interfaces
USB 2.0 ports quantity
0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
0
HDMI ports quantity
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
0
Thunderbolt technology
Yes
Thunderbolt version
4
USB4 Gen 3x2 ports quantity
2
HDMI version
2.1
Thunderbolt 4 ports quantity
2
Headphone outputs
1
Microphone in
Yes
Combo headphone/mic port
Yes
Headphone connectivity
3.5mm / Bluetooth
USB Type-C DisplayPort Alternate Mode
Yes
Memory
Internal memory
16 GB
Maximum internal memory
16 GB
Internal memory type
LPDDR5x-SDRAM
Memory clock speed
7467 MHz
Memory form factor
On-board
Memory channels
Dual-channel
Weight & dimensions
Weight
1.35 kg
Width
378.8 mm
Depth
258.8 mm
Height (front)
1.6 cm
Height (rear)
1.78 cm
Power
USB Type-C charging port
Yes
USB Type-C required charging power (min)
65 W
USB Power Delivery (USB PD)
Yes
Audio
Audio system
Dolby Atmos
Number of built-in speakers
2
Speaker power
2 W
Built-in subwoofer
Yes
Built-in microphone
Yes
Number of microphones
2
Keyboard
Numeric keypad
Yes
Pointing device
Touchpad
Keyboard backlit
Yes
Keyboard backlit colour
White
Full-size keyboard
Yes
Keyboard number of keys
101
Windows keys
Yes
Keyboard layout
QWERTY
Copilot key
Yes
Operational conditions
Drop proof
122 cm
Network
Mobile network connection
No
Top Wi-Fi standard
Wi-Fi 7 (802.11be)
Wi-Fi
Yes
Wi-Fi standards
Wi-Fi 7 (802.11be)
Antenna type
2x2
WLAN controller model
Intel Wi-Fi 7 BE201
WLAN controller manufacturer
Intel
Bluetooth
Yes
Bluetooth version
5.3
Security
Cable lock slot
Yes
Cable lock slot type
Kensington
Fingerprint reader
Yes
Security management description
LG Security
Certificates
Certification
MIL-STD-810H
MIL-STD-810G compliant
Yes
Adapting card types (test_feature)
Compliant with the following methods for MIL-STD-810H: Method 500.6 Low Pressure (Altitude) (Procedure I - Storage and Method and Procedure II - Operation); Method 501.7 High Temperature (Procedure | - Storage and Procedure I| - Operation); Method 502.7 Low Temperature (Procedure I - Storage and Procedure I| - Operation); Method 509.7 - Salt Fog Test; Method 510.7 - Dust; Method 514.8 - Vibration; Method 516.8 Shock (Procedure I - Functional and Procedure IV - Transit Drop).
Software
Operating system installed
Windows 11 Home
Operating system architecture
64-bit
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
Trial software
McAfee Live Safe (30 Days Trial), Microsoft 365 (30 Days Trial)
Microsoft Copilot
Yes
Camera
Front camera
Yes
Front camera resolution
1920 x 1080 pixels
Front camera HD type
Full HD
Infrared (IR) camera
No
Storage
Total storage capacity
1 TB
Storage media
SSD
Optical drive type
No
Total SSDs capacity
1 TB
Number of SSDs installed
1
SSD capacity
1 TB
SSD interface
M.2, PCI Express
SSD form factor
M.2
Packaging data
Package width
499 mm
Package depth
370 mm
Package height
60 mm
Package weight
2.3 kg
Other features
Warranty period
1 year(s)
Battery
Battery capacity
77 Wh
Battery technology
Lithium-Ion (Li-Ion)
Graphics
On-board graphics card
Yes
Discrete graphics card
No
On-board graphics card model
Intel Arc 140T
On-board graphics card family
Intel Arc Graphics
On-board graphics card cores
8
On-board graphics card 4K support
Yes
On-board graphics card 6K support
Yes
On-board graphics card 8K support
Yes
Processor special features
Video decode engine
Yes
Video encode engine
Yes
Design
Product type
Ultraportable
Product colour
Black
Form factor
Clamshell
Colour name
Obsidian Black
Housing material
Magnesium
Market positioning
Premium
Country of origin
China
Original brand name
LG gram
Brand-specific features
Brand specific technologies
Intelligent Privacy, Wide color (P3)
Packaging content
AC adapter included
Yes
Manual
Yes
Warranty card
Yes
Power cord included
Yes
Neural processor unit (NPU)
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
NOTE: The above information is provided for your convenience only, and we cannot guarantee its accuracy with the seller.
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