In depth comparison and review of Acer Extensa 15 (EX215-51) and Lenovo ThinkBook 15-IIL (20SM). 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 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 ThinkBook 15-IIL (20SM) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price point
solid build quality
decent battery life
good processor performance
adequate storage options
average display quality
limited graphics capability
no thunderbolt support
heavier design
| DESIGN AND DIMENSIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 15-IIL (20SM) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.34 cm x 25.05 cm x 1.99 cm | 36.4 cm x 24.5 cm x 1.89 cm |
| Weight | 1.9 kg | 1.8 kg |
| Case Material | - | Aluminum, polycarbonate ABS |
| Colour | Shale black | Mineral grey |
| DISPLAY | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 15-IIL (20SM) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | 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 | 250 cd/m² |
| Features | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display | Anti-glare |
| PROCESSOR | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 15-IIL (20SM) |
|---|
| CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | Intel Core i5 (10th Gen) 1035G1 / 1 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 3.6 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 15-IIL (20SM) |
|---|
| RAM | 4 GB (4 GB (soldered)) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 12 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2666 MHz |
| Rated Speed | - | 2666 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 ThinkBook 15-IIL (20SM) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 15-IIL (20SM) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Camera | Yes - HD | Yes - 720p |
| Camera Features | - | ThinkShutter camera privacy |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 15-IIL (20SM) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Wake-on-LAN (WOL) | Dual stream (2x2) |
| BATTERY | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 15-IIL (20SM) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 45 Wh |
| Battery Life | - | Up to 9 hours |
| AC ADAPTER | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 15-IIL (20SM) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V | 65 Watt |
| INPUT | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 15-IIL (20SM) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | - | Yes |
| Features | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 15-IIL (20SM) |
|---|
| Interfaces | HDMI USB 3.1 Gen 1 2 x USB 2.0 LAN Headphone/microphone combo jack |
USB 2.0 USB 3.1 Gen 1 (Always On) USB 3.1 Gen 1 USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 15-IIL (20SM) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Pro 64-bit Edition - French |
|---|---|---|
| Software Included | - | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 15-IIL (20SM) |
|---|
| Included Accessories | Power adapter, HDD kit | 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-810G tested |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3 |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Limited warranty - 1 year - pick-up and return |
| Model Number | 39SK | - |
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