LG 17Z90T-G.AA78B
Specs
Prices
Main specs
| Processor | |
|---|---|
| Screen | 17" 2560x1600 IPS 350 nits 99% DCI-P3 |
| Hard drive | 1TB HDD M.2 |
| RAM | 16GB LPDDR5x-SDRAM |
| Operating system | Windows 11 Home |
| Graphics card |
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Full specifications of LG 17Z90T-G.AA78B
| Reference / Part Number | 17Z90T-G.AA78B |
|---|---|
| Release date | May 2025, 1 year ago |
Design
| Product type | Laptop |
|---|---|
| Product colour | Black |
| Form factor | Clamshell |
Image gallery
Screen
| Display diagonal | 43,2 cm |
|---|---|
| Display resolution | 2560 x 1600 pixels |
| Touchscreen | No |
| HD type | WQXGA |
| Panel type | IPS |
| Native aspect ratio | 16:10 |
| Display brightness | 350 cd/m² |
| Display diagonal (metric) | 43,2 cm |
| RGB colour space | DCI-P3 |
| Colour gamut | 99 % |
Processor
| Processor family | Intel Core Ultra 7 |
|---|---|
| Processor manufacturer | Intel |
| 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)
| 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
| Internal memory | 16 GB |
|---|---|
| Internal memory type | LPDDR5x-SDRAM |
| Memory clock speed | 7467 MHz |
Storage
| Total storage capacity | 1 TB |
|---|---|
| Storage media | HDD |
| Total HDDs capacity | 1 TB |
| NVMe | Yes |
| SSD form factor | M.2 |
Graphics
| On-board graphics card | Yes |
|---|---|
| On-board graphics card model | Intel Arc 140T |
| On-board graphics card family | Intel Arc Graphics |
Audio
| Audio system | Dolby Atmos |
|---|---|
| Number of built-in speakers | 2 |
| Speaker power | 2 W |
| Built-in subwoofer | Yes |
| Built-in microphone | Yes |
Camera
| Front camera | Yes |
|---|---|
| Front camera HD type | Full HD |
Network
| 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
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
|---|---|
| HDMI ports quantity | 1 |
| USB4 Gen 3x2 ports quantity | 2 |
| Thunderbolt 4 ports quantity | 2 |
| Combo headphone/mic port | Yes |
Keyboard
| Numeric keypad | Yes |
|---|---|
| Pointing device | Touchpad |
Software
| Operating system installed | Windows 11 Home |
|---|
Battery
| Battery capacity | 77 Wh |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery life (max) | 20 h |
Power
| USB Type-C charging port | Yes |
|---|---|
| USB Type-C required charging power (min) | 65 W |
| USB Power Delivery (USB PD) | Yes |
Security
| Cable lock slot | Yes |
|---|---|
| Cable lock slot type | Kensington |
| Fingerprint reader | Yes |
Weight & dimensions
| Weight | 1,35 kg |
|---|---|
| Width | 378,8 mm |
| Depth | 258,8 mm |
| Height | 16 mm |
Packaging data
| Package width | 499 mm |
|---|---|
| Package depth | 307 mm |
| Package height | 60 mm |
| Package weight | 2,3 kg |
Packaging content
| AC adapter included | Yes |
|---|
Frequently asked questions
Is the LG 17Z90T-G.AA78B good for gaming?
This laptop was not built for gaming: it relies on the integrated Intel Arc 140T. Its card's page shows what level it handles current games at.
How long does the battery of the LG 17Z90T-G.AA78B last?
The manufacturer declares up to 20 h of battery life. Real duration depends on brightness, workload and battery health.
What is the screen of the LG 17Z90T-G.AA78B like?
It carries a 17" 2560x1600 IPS 350 nits 99% DCI-P3 display.
Which processor and graphics card does the LG 17Z90T-G.AA78B have?
It runs on the Intel Core Ultra 7 255H processor with the Intel Arc 140T graphics. Their pages carry their benchmarks, ranking position and alternatives.
Which operating system does the LG 17Z90T-G.AA78B come with?
It comes with Windows 11 Home preinstalled.
Which ports does the LG 17Z90T-G.AA78B have?
According to its spec sheet: 2 × Thunderbolt 4, 2 × USB-A, 1 × HDMI, Ethernet (RJ-45), headphone jack (3.5 mm).
Does the LG 17Z90T-G.AA78B have a touch screen?
No, according to its spec sheet the screen is not a touch screen.
How much does the LG 17Z90T-G.AA78B weigh?
It weighs 1,35 kg: one of the light ones, easy to carry every day.
When was the LG 17Z90T-G.AA78B released?
Its release date is May 2025, 1 year ago.