| Attribute |
LG Gram Gram (14T90N-V-AA78B) × | 
LG Gram 15Z990 (15Z990-V.AA78B) × |
| General | | |
| Model | LG Gram Gram | LG Gram 15Z990 |
| Product code | 14T90N-V-AA78B | 15Z990-V.AA78B |
| Design | | |
| Product colour | Grey | Silver |
| Form factor | Convertible (Fold-back screen) | Clamshell |
| Brand | LG | LG |
| Family | Gram | Gram |
| Model name | Gram | 15Z990 |
| Part number | 14T90N-V-AA78B | 15Z990-V.AA78B |
| Release year (year) | 2020 | 2019 |
| Processor | | |
| Processor manufacturer | Intel | - |
| Processor family | 10th gen Intel Core i7 | 8th gen Intel Core i7 |
| Processor frequency (GHz) | 1.8 | 1.8 |
| Processor boost frequency (GHz) | 4.9 | 4 |
| Processor model | i7-10510U | i7-8550U |
| Processor cores | 4 | 4 |
| Processor threads | 8 | 8 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1528 | - |
| Processor cache (MB) | 8 | 8 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR4-SDRAM |
| Maximum internal memory (GB) | 24 | 8 |
| Memory clock speed (MHz) | 2,666 | 2,400 |
| Internal memory (GB) | 16 | 8 |
| Display | | |
| Display diagonal (inch) | 14 | 15.6 |
| Panel type | IPS | IPS |
| HD type | Full HD | Full HD |
| LED backlight | - | + |
| Touchscreen | + | - |
| Display resolution | 1920 x 1080 pixels | 1920 x 1080 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 300 | - |
| Maximum on-board graphics adapter memory (GB) | 32 | - |
| On-board graphics adapter model | Intel UHD Graphics | Intel UHD Graphics 620 |
| Storage | | |
| Total storage capacity (GB) | 512 | 256 |
| Number of SSDs installed | 1 | 1 |
| SSD capacity (GB) | 512 | 256 |
| Card reader integrated | + | + |
| SSD form factor | M.2 | M.2 |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | | - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
|
| Bluetooth | + | + |
| Ethernet LAN | + | - |
| Ethernet LAN data rates (Mbit/s) | | - |
| Wi-Fi | - | + |
| 4g | - | - |
| 3g | - | - |
| Bluetooth version | 5.0 | 4.1 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 3 |
| USB 3.x Type-C ports | 1 | 1 |
| Combo headphone/mic port | - | + |
| USB Sleep-and-Charge | - | + |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | 1 | - |
| Audio | | |
| Speaker power (W) | 1.5 | 1.5 |
| Built-in microphone | - | + |
| Camera | | |
| Front camera | + | + |
| Front camera HD type | HD | HD |
| Front camera resolution (pixels) | 1280 x 720 | 1280 x 720 |
| Keyboard | | |
| Numeric keypad | - | + |
| Keyboard backlit | + | - |
| Pointing device | Touchpad + Scroll zone | Touchpad |
| Software | | |
| Operating system installed | Windows 10 Home | Windows 10 Home |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 72 | 72 |
| Battery capacity (mAh) | 9,360 | 9,360 |
| Battery life (max) (h) | 20.5 | 19 |
| Weight and dimensions | | |
| Weight (kg) | 1.15 | 1.09 |
| Height (mm) | 17.9 | 16.8 |
| Depth (mm) | 210.8 | 228.4 |
| Width (mm) | 324.6 | 357.6 |
| Power | | |
| AC adapter power (W) | 65 | 65 |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | + | - |
| Trusted platform module (TPM) | + | + |