Detailed comparison and review of Acer Extensa 15 (EX215-51) and Lenovo ThinkPad E15 Gen 2 (20TE). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of Acer Extensa 15 (EX215-51) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate performance
lightweight design
average display quality
limited storage capacity
no backlit keyboard
basic graphics capabilities
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 | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.34 cm x 25.05 cm x 1.99 cm | 36.5 cm x 24 cm x 1.89 cm |
| Weight | 1.9 kg | 1.7 kg |
| Case Material | - | Aluminium (top), polycarbonate ABS (bottom) |
| Colour | Shale black | Black |
| DISPLAY | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - TN |
|---|---|---|
| LCD Backlight Technology | 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 | 220 cd/m² | 220 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display | Anti-glare, 90° viewing angle |
| PROCESSOR | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 4.2 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 8 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| RAM | 4 GB (4 GB (soldered)) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 12 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 256 GB SSD M.2 2242 PCIe 3.0 x4 - Samsung |
|---|
| AUDIO & VIDEO | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce MX450 / Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | - | 2 external monitor(s) |
| Video Memory | - | 2 GB GDDR5 SDRAM |
| Camera | Yes - HD | Yes - 720p |
| Camera Features | - | Privacy shutter, fixed focus |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | - | Harman audio technology |
| COMMUNICATIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111H-CG |
| Features | Wake-on-LAN (WOL) | Wake-on-LAN (WOL), dual stream (2x2) |
| BATTERY | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Technology | Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 45 Wh |
| Battery Life | - | Up to 10.8 hours |
| AC ADAPTER | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V | 65 Watt |
| INPUT | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Features | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Slots | - | 1 x M.2 (PCI Express 3.0 x4) (1 free) |
|---|---|---|
| Interfaces | HDMI USB 3.1 Gen 1 2 x USB 2.0 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 |
| SOFTWARE | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad E15 Gen 2 (20TE) |
|---|
| Included Accessories | Power adapter, HDD kit | USB-C power adapter |
|---|---|---|
| Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip, 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 | MU-MIMO technology | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS |
| Compliant Standards | - | 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 - carry-in International travellers warranty - 1 year |
- |
| Model Number | 39SK | - |
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