In depth comparison and review of Lenovo ThinkPad E15 Gen 2 (20TD) 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 Lenovo ThinkPad E15 Gen 2 (20TD) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
comfortable keyboard
good security features
reasonable price
average display quality
limited graphics power
no thunderbolt support
mediocre battery life
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 E15 Gen 2 (20TD) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 35.8 cm x 22.8 cm x 1.68 cm |
| Weight | 1.7 kg | 1.099 kg |
| Case Material | Aluminum, polycarbonate ABS | - |
| Colour | Black | White |
| DISPLAY | Lenovo ThinkPad E15 Gen 2 (20TD) | 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 | 45% NTSC | 96% sRGB |
| Features | Anti-glare, 170° viewing angle | - |
| PROCESSOR | Lenovo ThinkPad E15 Gen 2 (20TD) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| CPU | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz | Intel Core i7 (8th Gen) 8565U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.6 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | L3 - 8 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Intel Turbo Boost Technology 2.0 |
| MEMORY | Lenovo ThinkPad E15 Gen 2 (20TD) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB |
|---|---|---|
| Max RAM Supported | 32 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | 2400 MHz |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo ThinkPad E15 Gen 2 (20TD) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) | 512 GB SSD |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 2 (20TD) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | 2 external monitor(s) | - |
| Camera | Yes - 720p | Yes - HD |
| Camera Features | IR camera, ThinkShutter camera privacy | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | DTS Headphone:X |
| Audio Features | Harman/kardon stereo speakers | - |
| COMMUNICATIONS | Lenovo ThinkPad E15 Gen 2 (20TD) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 - M.2 Card | Intel Wireless-AC 9560 |
| Network Interface | Gigabit Ethernet | 10/100 Ethernet |
| Ethernet Controller | Realtek RTL8111H-CG | - |
| Features | Dual stream (2x2) | Miracast, dual stream (2x2) |
| BATTERY | Lenovo ThinkPad E15 Gen 2 (20TD) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Technology | Lithium polymer | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 72 Wh |
| Battery Life | Up to 10.8 hours | Up to 21.5 hours |
| AC ADAPTER | Lenovo ThinkPad E15 Gen 2 (20TD) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 48 Watt |
| INPUT | Lenovo ThinkPad E15 Gen 2 (20TD) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls | Scrolling, gesture function, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 2 (20TD) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Slots | 1 x M.2 Card (1 free) | 2 x SSD (1 free) |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 2.0 USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
HDMI USB-C 3.1 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) 3 x USB 3.1 Headphone output |
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad E15 Gen 2 (20TD) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Operating System (OS) | Windows 11 Pro - English | 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 E15 Gen 2 (20TD) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint 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, RapidCharge, MIL-STD-810H tested | Dust-resistant, shock-resistant, pressure-resistant, vibration-resistant |
| Compliant Standards | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3 | MIL-STD 810G |
| SAR Value | 0.438 W/kg (body), 0.438 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| TCO Certified | TCO Certified Notebooks 8 | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 2 years Limited warranty - battery - 1 year |
| Model Number | - | V.AA78A1 |
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