In depth comparison and review of LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) and Lenovo IdeaPad S340-15IWL (81N8). 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 S340-15IWL (81N8) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
sleek design
comfortable keyboard
solid performance
lightweight build
average battery life
dim display
no thunderbolt support
limited upgradeability
| DESIGN AND DIMENSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 22.8 cm x 1.68 cm | 35.8 cm x 24.5 cm x 1.79 cm |
| Weight | 1.099 kg | 1.79 kg |
| Case Material | - | Aluminum, polycarbonate ABS |
| Colour | White | Onyx black |
| DISPLAY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | 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 | - | 220 cd/m² |
| Colour Gamut | 96% sRGB | - |
| Features | - | Anti-glare |
| PROCESSOR | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| CPU | Intel Core i7 (8th Gen) 8565U / 1.8 GHz | Intel Core i3 (8th Gen) 8145U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 3.9 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | L3 - 8 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| RAM | 16 GB | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 16 GB | 8 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 S340-15IWL (81N8) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD | 1 TB HDD SATA 6Gb/s / 5400 rpm |
|---|
| AUDIO & VIDEO | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - HD | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | - | Privacy shutter |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Compliant Standards | DTS Headphone:X | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| 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 S340-15IWL (81N8) |
|---|
| Technology | 4-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 72 Wh | 52.5 Wh |
| Battery Life | Up to 21.5 hours | Up to 10 hours |
| AC ADAPTER | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 48 Watt | 65 Watt |
| INPUT | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | - |
| Features | Scrolling, gesture function, precision touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| 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 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 Headphone/microphone combo jack HDMI |
| 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 S340-15IWL (81N8) |
|---|
| 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 | - |
| MISCELLANEOUS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo IdeaPad S340-15IWL (81N8) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| 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, hard drive password, power-on password, RapidCharge |
| Compliant Standards | MIL-STD 810G | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 0.847 W/kg (limb), 0.847 W/kg (body) |
| 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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