In depth comparison and review of Lenovo IdeaPad 3 15ADA05 (81W1) and Lenovo ThinkPad E14 Gen 4 (21E3). 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 IdeaPad 3 15ADA05 (81W1) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
decent battery life
solid build quality
adequate performance
average display quality
limited storage capacity
no backlit keyboard
mediocre graphics performance
Advantages and disadvantages of Lenovo ThinkPad E14 Gen 4 (21E3) 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
| DESIGN AND DIMENSIONS | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.22 cm x 25.34 cm x 1.99 cm | 32.4 cm x 22.07 cm x 1.79 cm |
| Weight | 1.85 kg | 1.64 kg |
| Case Material | Polycarbonate ABS | Aluminium (top), aluminium (bottom) |
| Colour | Business black | Black |
| DISPLAY | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| Screen Size (Type) | 15.6" - TN | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 300 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare | Anti-glare, 170° viewing angle |
| PROCESSOR | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| CPU | AMD Athlon Gold 3150U / 2.4 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.3 GHz | 4.4 GHz |
| Number of Cores | Dual-Core | 10-core |
| Cache | L3 - 4 MB | 12 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | 40 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 3200 MHz |
| Rated Speed | 2400 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 1 | 1 |
| STORAGE | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 1 external monitor(s) | 2 external monitor(s) |
| Camera | Yes | Yes - 1080p |
| Resolution | 0.3 Megapixel | - |
| Camera Features | Privacy shutter, fixed focus | Privacy shutter, IR camera, Windows Hello, fixed focus |
| 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 IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-V |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 35 Wh | 57 Wh |
| Battery Life | Up to 9.6 hours | Up to 20.6 hours |
| AC ADAPTER | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| Interfaces | 2 x USB 3.2 Gen 1 USB 2.0 HDMI Headphone/microphone combo jack |
USB 2.0 USB 3.2 Gen 1 (Always On) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| Operating System (OS) | Windows 10 Home in S mode - English | Windows 11 Pro - English |
|---|---|---|
| Software Included | Microsoft 365 Personal | - |
| MISCELLANEOUS | Lenovo IdeaPad 3 15ADA05 (81W1) | Lenovo ThinkPad E14 Gen 4 (21E3) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip, 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 | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 5 °C |
| Humidity Range Operating | 8 - 95% | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
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