In depth comparison and review of LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) and Lenovo IdeaPad 720S-14IKBR (81BD). 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 Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) based on its technical characteristics, features, user experience, expert reviews and price level.
exceptionally lightweight design
impressive battery life
crisp full HD display
solid state drive storage
robust build quality
average graphics performance
limited port selection
higher price point
no dedicated GPU
Advantages and disadvantages of Lenovo IdeaPad 720S-14IKBR (81BD) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
sharp full HD display
solid overall performance
fast SSD storage
decent battery life
limited port selection
no dedicated GPU
average sound quality
pricier than competitors
| DESIGN AND DIMENSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 22.8 cm x 1.68 cm | 32.07 cm x 22.28 cm x 1.59 cm |
| Weight | 1.099 kg | 1.55 kg |
| Case Material | - | Aluminium (top), aluminium (bottom) |
| Colour | White | Silver |
| DISPLAY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 300 cd/m² |
| Colour Gamut | 96% sRGB | - |
| Features | - | Anti-glare |
| PROCESSOR | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| CPU | Intel Core i7 (8th Gen) 8565U / 1.8 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 3.4 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | L3 - 8 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| RAM | 16 GB | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD | 128 GB SSD M.2 2280 PCIe 3.0 x4 |
|---|
| AUDIO & VIDEO | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
| Video Memory | - | 2 GB GDDR5 SDRAM |
| Camera | Yes - HD | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | - | Fixed focus |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Compliant Standards | DTS Headphone:X | High Definition Audio, Dolby Audio Premium |
| Audio Features | - | Output: JBL |
| COMMUNICATIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | M.2 Card |
| Network Interface | 10/100 Ethernet | - |
| Features | Miracast, dual stream (2x2) | Single stream (1x1) |
| BATTERY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Technology | 4-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 72 Wh | 55 Wh |
| Battery Life | Up to 21.5 hours | Up to 14 hours |
| AC ADAPTER | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 48 Watt | 65 Watt |
| INPUT | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Scrolling, gesture function, precision touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Slots | 2 x SSD (1 free) | - |
|---|---|---|
| Interfaces | HDMI USB-C 3.1 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) 3 x USB 3.1 Headphone output |
USB 3.0 (Always On) USB 3.0 USB-C 3.1 Gen 1/Thunderbolt 3/DisplayPort 1.2a (Power Delivery) HDMI Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office (30 days trial), LG Easy Guide, LG Control Center, LG Update Center, LG On Screen Display 3, LG Reader Mode | Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer |
| MISCELLANEOUS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Fingerprint reader | Fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Dust-resistant, shock-resistant, pressure-resistant, vibration-resistant | Administrator password, power-on password |
| Compliant Standards | MIL-STD 810G | RoHS |
| Manufacturer Warranty | Limited warranty - 2 years Limited warranty - battery - 1 year |
Limited warranty - 1 year - pick-up and return |
| Model Number | V.AA78A1 | - |
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