LG Gram 15Z90ST-G.AP78F
LG Gram 15Z90ST-G.AP78F
Product code: 15Z90ST-G.AP78F
- 💻Display diagonal: 15.6 inch
- 🔳Processor model: 155H
- 🎫Internal memory: 16 GB
- 🎮On-board graphics adapter model:
- 🎮Discrete graphics adapter model:
- 💽Total storage capacity: 1 TB
- ⚖️Weight: 0.99 kg
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Specifications
| Design | |
|---|---|
| Product colour | Blue |
| Product type | Laptop |
| Form factor | Clamshell |
| Housing material | Magnesium |
| Display | |
| Display diagonal | 15.6 inch |
| Display brightness | 400 cd/m² |
| Panel type | OLED |
| HD type | Full HD |
| Touchscreen | No |
| Display resolution | 1920 x 1080 pixels |
| RGB colour space | DCI-P3 |
| Colour gamut | 100% |
| Native aspect ratio | 16:9 |
| Brand | LG |
| Family | Gram |
| Model name | 15Z90ST-G.AP78F |
| Part Number | 15Z90ST-G.AP78F |
| Release Date | 19 March 2024 |
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| Processor | |
| Processor manufacturer | Intel |
| Processor family | Intel Core Ultra 7 |
| Processor boost frequency | 4.8 GHz |
| Processor model | 155H |
| Processor cores | 16 |
| Processor threads | 22 |
| Processor cache | 24 MB |
| Processor generation | Intel Core Ultra (Series 1) |
| Efficient-core base frequency | 0.9 GHz |
| Efficient cores | 8 |
| Performance cores | 6 |
| Performance-core Max Turbo Frequency | 4.8 GHz |
| Efficient-core Max Turbo Frequency | 3.8 GHz |
| Maximum turbo power | 115 W |
| Processor base power | 28 W |
| Performance-core base frequency | 1.4 GHz |
| Low Power Efficient-cores | 2 |
| Low Power Efficient-core Max Turbo Frequency | 2.5 GHz |
| Low Power Efficient-core Base Frequency | 700 MHz |
| Memory | |
| Internal memory type | LPDDR5x-SDRAM |
| Internal memory | 16 GB |
| Memory clock speed | 7467 MHz |
| Memory channels | Dual-channel |
| Graphics | |
| On-board graphics card | Yes |
| Discrete graphics card | No |
| Discrete graphics card model | Not available |
| On-board graphics card model | Intel Arc Graphics |
| On-board graphics card family | Intel Arc Graphics |
| On-board GPU manufacturer | Intel |
| Storage | |
| Total storage capacity | 1 TB |
| Number of SSDs installed | 1 |
| SSD capacity | 1 TB |
| Total SSDs capacity | 1 TB |
| SSD interface | PCI Express 4.0 |
| SSD form factor | M.2 |
| Storage media | SSD |
| NVMe | Yes |
| Optical drive | |
| Optical drive type | No |
| Networking | |
| WLAN controller model | Intel Wi-Fi 6E AX211 |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Bluetooth | Yes |
| Bluetooth version | 5.3 |
| Ports & interfaces | |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| Combo headphone/mic port | Yes |
| Thunderbolt 4 ports quantity | 2 |
| Intel® Thunderbolt 4 | Yes |
| Audio | |
| Built-in microphone | Yes |
| Number of built-in speakers | 2 |
| Camera | |
| Front camera | Yes |
| Infrared (IR) camera | Yes |
| Front camera HD type | Full HD |
| Keyboard | |
| Numeric keypad | Yes |
| Software | |
| Operating system installed | Windows 11 Pro |
| Battery | |
| Battery technology | Lithium-Ion (Li-Ion) |
| Continuous video playback time | 20.5 h |
| Battery capacity | 60 Wh |
| Weight & dimensions | |
| Weight | 0.99 kg |
| Height | 10.9 mm |
| Depth | 227.4 mm |
| Width | 356 mm |
| Security | |
| Face recognition | Yes |
| Neural processor unit (NPU) | |
| Neural processor unit (NPU) | Intel AI Boost |
| Maximum frequency NPU | 1.4 GHz |
| Sparsity support | Yes |
| Windows Studio effects support | Yes |
| AI datatype support on NPU | FP16, FP32, Int8 |
| AI software frameworks supported by NPU | DirectML, ONNX RT, OpenVINO, Windows ML |
Disclaimer: Although we try to make the information as accurate as posible we do not guarantee it is 100% correct.
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