In depth comparison and review of Lenovo ThinkPad E15 Gen 2 (20T8) and LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N). 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 (20T8) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
solid cpu performance
good keyboard feel
adequate port selection
competitive pricing
average display quality
modest battery life
no thunderbolt support
heavier design
Advantages and disadvantages of LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) based on its technical characteristics, features, user experience, expert reviews and price level.
exceptionally lightweight design
impressive battery life
large high-resolution display
solid state drive storage
robust build quality
limited graphics performance
higher price point
no dedicated GPU
fewer port options
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 2 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 38.06 cm x 26.26 cm x 1.74 cm |
| Weight | 1.7 kg | 1.35 kg |
| Case Material | Aluminum, polycarbonate ABS | Magnesium alloy |
| Colour | Black | Dark silver |
| DISPLAY | Lenovo ThinkPad E15 Gen 2 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| Screen Size (Type) | 15.6" - IPS | 17" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1600 (WQXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 250 cd/m² | - |
| Features | Anti-glare, 170° viewing angle | - |
| PROCESSOR | Lenovo ThinkPad E15 Gen 2 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| CPU | AMD Ryzen 5 4500U / 2.3 GHz | Intel Core i7 (10th Gen) 1065G7 / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 3.9 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | L3 - 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 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (1 x 8 GB + 8 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 24 GB | 24 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | 3200 MHz |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | Lenovo ThinkPad E15 Gen 2 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 2 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Intel Iris Plus Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | 2 external monitor(s) | - |
| Camera | Yes - 720p | Yes - HD |
| Camera Features | IR camera, fixed focus, ThinkShutter camera privacy | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | DTS:X Ultra |
| Audio Features | Harman/kardon stereo speakers | - |
| COMMUNICATIONS | Lenovo ThinkPad E15 Gen 2 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | Realtek RTL8822CE - M.2 Card | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet | 10/100 Ethernet |
| Ethernet Controller | Realtek RTL8111GUS | - |
| Features | Dual stream (2x2) | - |
| BATTERY | Lenovo ThinkPad E15 Gen 2 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 80 Wh |
| Battery Life | Up to 12.7 hours | Up to 17 hours |
| AC ADAPTER | Lenovo ThinkPad E15 Gen 2 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| 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 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| 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 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 2.0 USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) HDMI LAN Headphone/microphone combo jack |
HDMI USB-C 3.1 (supports Thunderbolt 3) (Power Delivery) 3 x USB 3.1 Headphone output |
|---|---|---|
| Memory Card Reader | - | Yes (microSD, UFS Card) |
| SOFTWARE | Lenovo ThinkPad E15 Gen 2 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home 64-bit Edition |
|---|---|---|
| Software Included | - | Microsoft Office (30 days trial), LG Easy Guide, LG Control Center, LG Update Center, LG Reader Mode, LG On Screen Display, LG Troubleshooting |
| MISCELLANEOUS | Lenovo ThinkPad E15 Gen 2 (20T8) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 17Z90N) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | Dust-resistant, shock-resistant, pressure-resistant, vibration-resistant |
| Compliant Standards | RoHS, 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 | - |
| Model Number | - | V.AA72A1 |
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