Side by side comparison and review of Acer Extensa 15 (EX215-51) and Lenovo ThinkBook 13s-IWL (20R9). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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 13s-IWL (20R9) based on its technical characteristics, features, user experience, expert reviews and price level.
sleek aluminum design
lightweight and portable
sharp full HD display
solid state drive included
good battery life
limited port selection
no dedicated GPU
average audio quality
standard RAM capacity
| DESIGN AND DIMENSIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 13s-IWL (20R9) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.34 cm x 25.05 cm x 1.99 cm | 30.76 cm x 21.64 cm x 1.59 cm |
| Weight | 1.9 kg | 1.32 kg |
| Case Material | - | Aluminum |
| Colour | Shale black | Mineral grey |
| DISPLAY | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 13s-IWL (20R9) |
|---|
| Screen Size (Type) | 15.6" | 13.3" - 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 | 300 cd/m² |
| Features | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display | Anti-glare, 170° viewing angle |
| PROCESSOR | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 13s-IWL (20R9) |
|---|
| CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 3.9 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 13s-IWL (20R9) |
|---|
| 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 | - | 2400 MHz |
| Rated Speed | - | 2400 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 13s-IWL (20R9) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 256 GB SSD M.2 2242 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 13s-IWL (20R9) |
|---|
| 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 X3 |
| COMMUNICATIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 13s-IWL (20R9) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | Wake-on-LAN (WOL) | - |
| BATTERY | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 13s-IWL (20R9) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 45 Wh |
| Battery Life | - | Up to 11 hours |
| AC ADAPTER | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 13s-IWL (20R9) |
|---|
| 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 13s-IWL (20R9) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Features | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 13s-IWL (20R9) |
|---|
| Interfaces | HDMI USB 3.1 Gen 1 2 x USB 2.0 LAN Headphone/microphone combo jack |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) HDMI Headphone/microphone combo jack |
|---|
| SOFTWARE | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 13s-IWL (20R9) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Pro 64-bit Edition - German |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Acer Extensa 15 (EX215-51) | Lenovo ThinkBook 13s-IWL (20R9) |
|---|
| Included Accessories | Power adapter, HDD kit | Power adapter |
|---|---|---|
| Security | - | 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 | MU-MIMO technology | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | - | RoHS, FIDO Certified |
| 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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