In depth comparison and review of LG gram 17Z990 and Lenovo ThinkPad L390 (20NR). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of LG gram 17Z990 based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-lightweight design
long-lasting battery
large high-resolution display
robust build quality
solid overall performance
higher price point
limited gaming capabilities
no discrete GPU
average speaker quality
Advantages and disadvantages of Lenovo ThinkPad L390 (20NR) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
solid performance
reliable security features
heavier than competitors
average display quality
limited graphics power
no thunderbolt support
| DESIGN AND DIMENSIONS | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 38.075 cm x 26.593 cm x 1.68 cm | 32.18 cm x 22.42 cm x 1.88 cm |
| Weight | 1.34 kg | 1.46 kg |
| Case Material | Magnesium-nanocarbon alloy | Aluminum, glass-fibre reinforced plastic |
| Colour | Dark silver | Black |
| DISPLAY | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| Screen Size (Type) | 17" - IPS | 13.3" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 2560 x 1600 (WQXGA) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 96% sRGB | - |
| Features | Reader Mode, Daylight Mode | Anti-glare, 170° viewing angle |
| PROCESSOR | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| CPU | Intel Core i7 (8th Gen) 8565U / 1.8 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 3.9 GHz |
| Number of Cores | - | Quad-Core |
| Cache | 8 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Features | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | - | 2666 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 2 |
| Empty Slots | - | 1 |
| STORAGE | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 | 256 GB SSD M.2 2280 PCIe - TCG Opal Encryption, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - HD (front) | Yes - 720p |
| Camera Features | Built-in microphone | - |
| Sound | Speakers | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | DTS Headphone:X | High Definition Audio, Dolby Audio Premium |
| COMMUNICATIONS | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | Intel Wireless-AC 9560 - M.2 Card |
| Network Interface | 10/100 Ethernet | - |
| Features | Dual stream (2x2) | Gigabit Ethernet via optional Ethernet (RJ-45) adapter |
| BATTERY | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| Technology | 4-cell lithium polymer | Lithium Ion |
|---|---|---|
| Installed Qty | 1 | - |
| Battery Capacity (Size) | 9360 mAh | 45 Wh |
| Battery Life | Up to 19.5 hours | Up to 14.61 hours |
| AC ADAPTER | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Gesture function, precision touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| Interfaces | 3 x USB 3.1 USB-C 3.1 (supports Thunderbolt 3, DisplayPort 1.2 Alt Mode) (with power off charging) HDMI Headphone output |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition |
|---|---|---|
| Software Included | Microsoft 365 (30 days trial), LG Easy Guide, LG Control Center, LG Update Center, LG Power Manager, LG On Screen Display 3, LG Reader Mode, DTS Headphone X | - |
| MISCELLANEOUS | LG gram 17Z990 | Lenovo ThinkPad L390 (20NR) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | HDD lock | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | MIL-STD 810G | RoHS |
| SAR Value | - | 0.995 W/kg (limb), 0.995 W/kg (body) |
| ENERGY STAR Certified | - | Yes |
| Manufacturer Warranty | Limited warranty - parts and labour - 2 years | - |
| Model Number | V | - |
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