In depth comparison and review of Lenovo IdeaPad 520-15IKB (81BF) 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 Lenovo IdeaPad 520-15IKB (81BF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust metal design
crisp full HD display
backlit keyboard feature
adequate processing power
reasonable price point
average battery life
limited graphics performance
heavier than competitors
no USB-C port
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 | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 37.8 cm x 26 cm x 2.2 cm | 36.5 cm x 24 cm x 1.89 cm |
| Weight | 2.2 kg | 1.7 kg |
| Case Material | Metal | Aluminium (top), polycarbonate ABS (bottom) |
| Colour | Golden | Black |
| DISPLAY | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - TN |
|---|---|---|
| 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 | 220 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare | Anti-glare, 90° viewing angle |
| PROCESSOR | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| CPU | Intel Core i5 (8th Gen) 8550U / 1.8 GHz | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 4.2 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | 8 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2133 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 | 0 | 0 |
| STORAGE | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Main Storage Size (HDD/SSD) | 2 TB HDD SATA 6Gb/s / 5400 rpm | 256 GB SSD M.2 2242 PCIe 3.0 x4 - Samsung |
|---|---|---|
| Optical Drive | DVD±RW | - |
| AUDIO & VIDEO | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce MX150 / Intel UHD Graphics 620 | NVIDIA GeForce MX450 / Intel Iris Xe Graphics |
| Max Monitors Supported | - | 2 external monitor(s) |
| Video Memory | 4 GB GDDR5 SDRAM | 2 GB GDDR5 SDRAM |
| Camera | Yes - 720p | Yes - 720p |
| Resolution | 1 Megapixel | - |
| Camera Features | Fixed focus | Privacy shutter, 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 | Output: Harman audio technology | Harman audio technology |
| COMMUNICATIONS | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wi-Fi 6 AX 201 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111H-CG |
| Features | Single stream (1x1) | Wake-on-LAN (WOL), dual stream (2x2) |
| BATTERY | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Technology | 2-cell lithium polymer | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 35 Wh | 45 Wh |
| Battery Life | Up to 6 hours | Up to 10.8 hours |
| AC ADAPTER | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | - |
| Features | - | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Slots | - | 1 x M.2 (PCI Express 3.0 x4) (1 free) |
|---|---|---|
| Interfaces | USB-C 3.0 2 x USB 3.0 HDMI LAN 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 LAN Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington mini 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 | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS |
| Compliant Standards | RoHS | 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 - 1 year - pick-up and return | - |
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