In depth comparison and review of LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) and Lenovo ThinkPad E15 Gen 2 (20TE). 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 ThinkPad E15 Gen 2 (20TE) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good security features
decent battery life
affordable price point
average display quality
modest graphics performance
no thunderbolt support
heavier design
DESIGN AND DIMENSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 35.8 cm x 22.8 cm x 1.68 cm | 36.5 cm x 24 cm x 1.89 cm |
Weight | 1.099 kg | 1.7 kg |
Case Material | - | Aluminium (top), polycarbonate ABS (bottom) |
Colour | White | Black |
DISPLAY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Screen Size (Type) | 15.6" - IPS | 15.6" - TN |
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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 | - | 220 cd/m² |
Colour Gamut | 96% sRGB | 45% NTSC |
Features | - | Anti-glare, 90° viewing angle |
PROCESSOR | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad E15 Gen 2 (20TE) |
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CPU | Intel Core i7 (8th Gen) 8565U / 1.8 GHz | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz |
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Max Turbo Speed | 4.6 GHz | 4.2 GHz |
Number of Cores | Quad-Core | Quad-Core |
Cache | L3 - 8 MB | 8 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 ThinkPad E15 Gen 2 (20TE) |
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RAM | 16 GB | 8 GB (1 x 8 GB) |
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Max RAM Supported | 16 GB | 32 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2400 MHz | 3200 MHz |
Rated Speed | - | 3200 MHz |
Form Factor | - | SO-DIMM 260-pin |
Slots Qty | - | 1 |
Empty Slots | - | 0 |
STORAGE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Main Storage Size (HDD/SSD) | 512 GB SSD | 256 GB SSD M.2 2242 PCIe 3.0 x4 - Samsung |
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AUDIO & VIDEO | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce MX450 / Intel Iris Xe Graphics |
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Max Monitors Supported | - | 2 external monitor(s) |
Video Memory | - | 2 GB GDDR5 SDRAM |
Camera | Yes - HD | Yes - 720p |
Camera Features | - | Privacy shutter, fixed focus |
Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3287 |
Compliant Standards | DTS Headphone:X | High Definition Audio, Dolby Audio |
Audio Features | - | Harman audio technology |
COMMUNICATIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | Intel Wireless-AC 9560 | Intel Wi-Fi 6 AX 201 - M.2 Card |
Network Interface | 10/100 Ethernet | Gigabit Ethernet |
Ethernet Controller | - | Realtek RTL8111H-CG |
Features | Miracast, dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
BATTERY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Technology | 4-cell Lithium Ion | 3-cell lithium polymer |
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Battery Capacity (Size) | 72 Wh | 45 Wh |
Battery Life | Up to 21.5 hours | Up to 10.8 hours |
AC ADAPTER | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 48 Watt | 65 Watt |
INPUT | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | Yes |
Keyboard Backlight | Yes | - |
Features | Scrolling, gesture function, precision touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Slots | 2 x SSD (1 free) | 1 x M.2 (PCI Express 3.0 x4) (1 free) |
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Interfaces | HDMI USB-C 3.1 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) 3 x USB 3.1 Headphone output |
USB 2.0 USB 3.2 Gen 1 (Always On) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
Memory Card Reader | Yes (microSD) | - |
SOFTWARE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad E15 Gen 2 (20TE) |
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Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition |
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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 ThinkPad E15 Gen 2 (20TE) |
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Included Accessories | Power adapter | USB-C power adapter |
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Security | Fingerprint reader | Firmware 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 | Dust-resistant, shock-resistant, pressure-resistant, vibration-resistant | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS |
Compliant Standards | MIL-STD 810G | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified |
ENERGY STAR Certified | - | Yes |
EPEAT Compliant | - | EPEAT Gold |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 5 °C |
Humidity Range Operating | - | 8 - 95% |
Manufacturer Warranty | Limited warranty - 2 years Limited warranty - battery - 1 year |
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Model Number | V.AA78A1 | - |