In depth comparison and review of Lenovo ThinkPad T580 (20LA) and LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990). 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
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.58 cm x 25.28 cm x 2.02 cm | 35.8 cm x 22.8 cm x 1.68 cm |
| Weight | 1.95 kg | 1.099 kg |
| Case Material | Glass-fibre reinforced plastic, polyphenylene sulfide | - |
| Colour | Black | White |
| DISPLAY | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| 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 | 250 cd/m² | - |
| Colour Gamut | - | 96% sRGB |
| Features | Anti-glare, 170° viewing angle | - |
| PROCESSOR | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| CPU | Intel Core i5 (8th Gen) 8250U / 1.6 GHz | Intel Core i7 (8th Gen) 8565U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 4.6 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | L3 - 8 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Intel Turbo Boost Technology 2.0 |
| MEMORY | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| RAM | 4 GB (1 x 4 GB) | 16 GB |
|---|---|---|
| Max RAM Supported | 32 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 | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA 6Gb/s - Samsung | 512 GB SSD |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics |
|---|---|---|
| Camera | - | Yes - HD |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | DTS Headphone:X |
| COMMUNICATIONS | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 - M.2 Card | Intel Wireless-AC 9560 |
| Network Interface | Gigabit Ethernet | 10/100 Ethernet |
| Features | - | Miracast, dual stream (2x2) |
| BATTERY | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Technology | Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Installed Qty | 2 | - |
| Battery Capacity (Size) | - | 72 Wh |
| Battery Life | Up to 26.1 hours | Up to 21.5 hours |
| AC ADAPTER | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V, 3.25 A | 48 Watt |
| INPUT | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Scrolling, gesture function, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Slots | - | 2 x SSD (1 free) |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI LAN Headphone/microphone combo jack Dock |
HDMI USB-C 3.1 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) 3 x USB 3.1 Headphone output |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Home 64-bit Edition |
|---|---|---|
| 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 | Lenovo ThinkPad T580 (20LA) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | 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 | Administrator password, hard drive password, power-on password, MIL-STD-810G tested | Dust-resistant, shock-resistant, pressure-resistant, vibration-resistant |
| Compliant Standards | RoHS | MIL-STD 810G |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Silver | - |
| Manufacturer Warranty | - | Limited warranty - 2 years Limited warranty - battery - 1 year |
| Model Number | - | V.AA78A1 |