In depth comparison and review of Lenovo ThinkPad W540 and Acer Extensa 15 (EX215). 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 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outdated design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 Extensa 15 (EX215) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate performance
full HD display
average graphics
limited upgrade options
basic design
no backlit keyboard
| DESIGN AND DIMENSIONS | Lenovo ThinkPad W540 | Acer Extensa 15 (EX215) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 37.66 cm x 24.81 cm x 2.95 cm | 36.34 cm x 23.84 cm x 1.99 cm |
| Weight | 2.53 kg | 1.9 kg |
| Case Material | Glass-fibre reinforced plastic | Polycarbonate, ABS plastic |
| Colour | - | Charcoal black |
| DISPLAY | Lenovo ThinkPad W540 | Acer Extensa 15 (EX215) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| 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 | - | 250 cd/m² |
| Features | Anti-glare | Anti-glare, ComfyView, Acer BluelightShield technology, 25 ms response rate, Narrow Border Display |
| PROCESSOR | Lenovo ThinkPad W540 | Acer Extensa 15 (EX215) |
|---|
| CPU | Intel Core i7 (4th Gen) 4800MQ / 2.7 GHz | Intel Core i3 (11th Gen) 1115G4 |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 4.1 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 6 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Chipset | Intel QM87 | - |
| Features | Integrated memory controller | Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad W540 | Acer Extensa 15 (EX215) |
|---|
| RAM | 4 GB | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR3L SDRAM | DDR4 SDRAM |
| Form Factor | SO-DIMM 204-pin | - |
| Slots Qty | 4 | - |
| STORAGE | Lenovo ThinkPad W540 | Acer Extensa 15 (EX215) |
|---|
| Main Storage Size (HDD/SSD) | 500 GB HDD | 128 GB SSD - Kingston |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad W540 | Acer Extensa 15 (EX215) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro K1000M / Intel HD Graphics 4600 | Intel UHD Graphics |
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Video System Features | NVIDIA Optimus | - |
| Camera | Yes - 720p | Yes - HD |
| Camera Features | Face tracking | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3232 | - |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | - |
| COMMUNICATIONS | Lenovo ThinkPad W540 | Acer Extensa 15 (EX215) |
|---|
| Wireless | Bluetooth 4.0, Wi-Fi | Bluetooth, 802.11a/b/g/n/ac |
|---|---|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Wake-on-LAN (WOL), single stream (1x1) |
| BATTERY | Lenovo ThinkPad W540 | Acer Extensa 15 (EX215) |
|---|
| Technology | Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 36.7 Wh |
| Battery Life | - | Up to 8 hours |
| AC ADAPTER | Lenovo ThinkPad W540 | Acer Extensa 15 (EX215) |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | - | 45 Watt, 19 V |
| INPUT | Lenovo ThinkPad W540 | Acer Extensa 15 (EX215) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad | Multi-gesture touch pad, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad W540 | Acer Extensa 15 (EX215) |
|---|
| 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) |
HDMI 2 x USB 3.2 Gen 1 USB 2.0 LAN Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo ThinkPad W540 | Acer Extensa 15 (EX215) |
|---|
| 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 Extensa 15 (EX215) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter, HDD kit |
| 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 | - |
| SAR Value | - | 0.93 W/kg (body), 0.93 W/kg (limb), 0.93 W/kg (head) |
| 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 | - | 54 |
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