In depth comparison and review of Lenovo ThinkPad X240 (20AM) and Acer Extensa 15 (2540). 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.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 30.55 cm x 20.85 cm x 1.99 cm | 38.18 cm x 25.8 cm x 2.46 cm |
| Weight | 1.47 kg | 2.4 kg |
| Case Material | Glass-fibre reinforced plastic | Plastic |
| Colour | - | Midnight black |
| DISPLAY | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| Screen Size (Type) | 12.5" | 15.6" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 220 cd/m² |
| Features | Anti-glare | Ultra Slim Design, anti-glare, ComfyView, Mercury free, Acer BluelightShield technology, 8 ms response rate |
| PROCESSOR | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| CPU | Intel Core i3 (4th Gen) 4010U / 1.7 GHz | Intel Core i3 (6th Gen) 6006U / 2 GHz |
|---|---|---|
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 3 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| RAM | 2 GB (1 x 2 GB) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | 8 GB | 16 GB |
| RAM Type | DDR3L SDRAM | DDR3L SDRAM |
| Speed | 1600 MHz / PC3L-12800 | 1600 MHz |
| Rated Speed | 1600 MHz | - |
| Form Factor | SO-DIMM 204-pin | SO-DIMM 204-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | 1 |
| STORAGE | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| Main Storage Size (HDD/SSD) | 500 GB HDD SATA 6Gb/s / 7200 rpm | 128 GB SSD - Kingston |
|---|---|---|
| Optical Drive | - | DVD-Writer - tray |
| AUDIO & VIDEO | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel HD Graphics 520 |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Camera | Yes - 720p | Yes - 640 x 480 |
| Resolution | - | 0.3 Megapixel |
| Camera Features | Face tracking | - |
| Sound | Stereo speakers, two microphones | Stereo speakers, microphone |
| Codec | Realtek ALC3232 | - |
| Compliant Standards | High Definition Audio, Dolby Advanced Audio v2 | High Definition Audio |
| COMMUNICATIONS | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| Wireless | 802.11b/g/n, Bluetooth 4.0 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Dual Band Wireless-AC 3168 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I218-V | - |
| Features | - | Wake-on-LAN (WOL) |
| WWAN |
|---|
| Generation | WWAN | - |
|---|
| BATTERY | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| Technology | 6-cell Lithium Ion | 4-cell |
|---|---|---|
| Battery Capacity (Size) | 47 Wh | 48 Wh |
| Battery Life | - | Up to 6.5 hours |
| AC ADAPTER | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 45 Watt, 19 V |
| INPUT | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| Interfaces | 2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
HDMI 2 x USB 2.0 USB 3.0 LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (SD Card) |
| SOFTWARE | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition - French | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X240 (20AM) | Acer Extensa 15 (2540) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | - |
| 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 | Administrator password, hard drive password, power-on password, ThinkVantage Active Protection System, 1 USB 3.0 (Always On), MIL-STD-810G tested | - |
| Compliant Standards | RoHS, GREENGUARD | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | - | 362S |
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