In depth comparison and review of Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) and Acer TravelMate B3 (TMB311). 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 IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 24.5 cm x 1.715 cm | 29.5 cm x 21.5 cm x 2.09 cm |
| Weight | 1.8 kg | 1.4 kg |
| Case Material | Aluminum, polycarbonate ABS | - |
| Colour | Abyss blue | Shale black |
| DISPLAY | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| Screen Size (Type) | 15.6" - IPS | 11.6" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 220 cd/m² |
| Colour Gamut | 45% | 45% NTSC |
| Features | Anti-glare | Anti-glare, matte, ComfyView, Acer BluelightShield technology, 10 ms response rate |
| PROCESSOR | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| CPU | Intel Core i3 (8th Gen) 8145U / 2.1 GHz | Intel Celeron N4120 / 1.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 2.6 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 4 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Burst Technology |
| MEMORY | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 64 GB eMMC - Kingston |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics 600 |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Resolution | 1 Megapixel | - |
| Camera Features | Privacy shutter | Privacy shutter |
| Video Resolutions | - | 1280 x 720 |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| COMMUNICATIONS | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wireless-AC 9560 - M.2 2230 (CNVi) |
| Network Interface | - | Gigabit Ethernet |
| Features | Single stream (1x1) | Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO |
| BATTERY | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 70 Wh | 48 Wh |
| Battery Life | Up to 15 hours | Up to 12 hours |
| AC ADAPTER | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt, 5 / 9 / 12 / 15 / 20 V |
| INPUT | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | - |
| Features | Multi-touch touchpad, buttonless touchpad | Multi-gesture touch pad, precision touchpad, mechanically anchored keys |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| Interfaces | USB 3.1 Gen 1 USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack USB 3.1 Gen 1 (Always On) |
HDMI 2 x USB 3.2 Gen 1 LAN (RJ-45) Headphone/microphone combo jack USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (DC-In combo, Power Delivery) |
|---|---|---|
| Memory Card Reader | 4 in 1 (MultiMediaCard, microSD, microSDHC, microSDXC) | Yes (microSD) |
| SOFTWARE | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Pro 64-bit Edition National Academic |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | Acer ProShield Security Manager |
| MISCELLANEOUS | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) | Acer TravelMate B3 (TMB311) |
|---|
| Included Accessories | Power adapter | USB-C power adapter, 3-cell Li-Ion 48Wh battery |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Discrete Trusted Platform Module (TPM) solution |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, RapidCharge | Administrator password, system password |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | MIL-STD 810G |
| SAR Value | - | 0.82 W/kg (body), 0.82 W/kg (limb), 0.82 W/kg (head) |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | 15IWL 81NE | 31 |
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