In depth comparison and review of Lenovo ThinkPad E15 Gen 2 (20T8) and Lenovo IdeaPad 3 17ADA05 (81W2). 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 Lenovo IdeaPad 3 17ADA05 (81W2) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
large display
decent battery life
ample storage options
lightweight design
average build quality
mediocre performance
limited color accuracy
no backlit keyboard
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 40.2 cm x 28.125 cm x 1.99 cm |
| Weight | 1.7 kg | 2.2 kg |
| Case Material | Aluminum, polycarbonate ABS | Polycarbonate ABS |
| Colour | Black | Platinum grey |
| DISPLAY | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Screen Size (Type) | 15.6" - IPS | 17.3" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1600 x 900 (HD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 250 cd/m² |
| Features | Anti-glare, 170° viewing angle | Anti-glare |
| PROCESSOR | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| CPU | AMD Ryzen 5 4500U / 2.3 GHz | AMD Athlon Gold 3150U / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 3.3 GHz |
| Number of Cores | 6-core | Dual-Core |
| Cache | L3 - 8 MB | L3 - 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 24 GB | 12 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | 2400 MHz |
| Rated Speed | 3200 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 1 | 1 |
| STORAGE | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | AMD Radeon Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | 2 external monitor(s) | - |
| Camera | Yes - 720p | Yes |
| Resolution | - | 0.3 Megapixel |
| Camera Features | IR camera, fixed focus, ThinkShutter camera privacy | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio |
| Audio Features | Harman/kardon stereo speakers | - |
| COMMUNICATIONS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Realtek RTL8822CE - M.2 Card | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Realtek RTL8111GUS | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 42 Wh |
| Battery Life | Up to 12.7 hours | Up to 8 hours |
| AC ADAPTER | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| 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 |
USB 2.0 2 x USB 3.2 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | - | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo IdeaPad 3 17ADA05 (81W2) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, 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 | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | 0.438 W/kg (body), 0.438 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | 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 - 1 year - pick-up and return |
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