Side by side comparison and review of Lenovo ThinkPad W540 and Acer Aspire 1 (A111-31). 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 Lenovo ThinkPad W540 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful processor options
good graphics performance
reliable brand reputation
heavier than competitors
outdated design
average battery life
premium price tag
Advantages and disadvantages of Acer Aspire 1 (A111-31) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
decent battery life
full hd display
includes office 365
limited storage capacity
modest processing power
no backlit keyboard
fewer usb ports
| DESIGN AND DIMENSIONS | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 37.66 cm x 24.81 cm x 2.95 cm | 29.1 cm x 21.1 cm x 2.1 cm |
| Weight | 2.53 kg | 1.25 kg |
| Case Material | Glass-fibre reinforced plastic | Polycarbonate, ABS plastic |
| Colour | - | Oxidant red | Obsidian black | Blue stone |
| DISPLAY | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| Screen Size (Type) | 15.6" | 11.6" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | - | 220 cd/m² |
| Features | Anti-glare | Anti-glare, ComfyView, 8 ms response rate |
| PROCESSOR | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| CPU | Intel Core i7 (4th Gen) 4800MQ / 2.7 GHz | Intel Celeron N4000 / 1.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 2.6 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 6 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Intel QM87 | - |
| Features | Integrated memory controller | Intel Burst Technology |
| MEMORY | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| RAM | 4 GB | 2 GB (1 x 2 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR3L SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | SO-DIMM 204-pin | SO-DIMM 260-pin |
| Slots Qty | 4 | - |
| STORAGE | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| Main Storage Size (HDD/SSD) | 500 GB HDD | 32 GB eMMC - SanDisk |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro K1000M / Intel HD Graphics 4600 | Intel UHD Graphics 600 |
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Video System Features | NVIDIA Optimus | - |
| Camera | Yes - 720p | Yes - VGA |
| Resolution | - | 0.3 Megapixel |
| Camera Features | Face tracking | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3232 | - |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | - |
| COMMUNICATIONS | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| Wireless | Bluetooth 4.0, Wi-Fi | Bluetooth, 802.11a/b/g/n/ac |
|---|---|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| Technology | Lithium Ion | 2-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | - | 4810 mAh |
| Battery Life | - | Up to 10 hours |
| AC ADAPTER | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 45 Watt, 19 V |
| INPUT | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad | Multi-gesture touch pad, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| Expansion Bays | 1 x Ultrabay | - |
|---|---|---|
| Slots | 1 x ExpressCard/34 (1 free) | - |
| Interfaces | 2 x USB 3.0 USB 2.0 VGA Mini DisplayPort/Thunderbolt combo LAN Dock Headphone/microphone combo jack USB 2.0 (Always On) |
2 x USB 3.0 HDMI LAN USB 2.0 Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (SD Card) |
| SOFTWARE | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Home 64-bit Edition in S mode |
|---|
| MISCELLANEOUS | Lenovo ThinkPad W540 | Acer Aspire 1 (A111-31) |
|---|
| 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 | - |
| Compliant Standards | ISO 9001, ISO 14001, RoHS, GREENGUARD, ISO 27001 | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | C509 |
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