In depth comparison and review of Lenovo IdeaPad S540-15IML (81NG) and Acer TravelMate B5 14 (TMB514-31). 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 IdeaPad S540-15IML (81NG) based on its technical characteristics, features, user experience, expert reviews and price level.
sleek aluminum design
sharp full HD display
fast processing speeds
ample storage capacity
good battery life
heavier than competitors
no optical drive
limited port selection
average graphics performance
Advantages and disadvantages of Acer TravelMate B5 14 (TMB514-31) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
comfortable keyboard
adequate connectivity options
competitive pricing
average display quality
limited graphics capability
modest storage capacity
no touchscreen option
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 24.5 cm x 1.69 cm | 32.95 cm x 23.18 cm x 2.44 cm |
| Weight | 1.95 kg | 1.65 kg |
| Case Material | Aluminum, glass | - |
| Colour | Mineral grey | Shale black |
| DISPLAY | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 72% | 45% NTSC |
| Features | Glossy, glass cover | Anti-glare, matte, ComfyView, 25 ms response rate, Narrow Border Display |
| PROCESSOR | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel N-series N200 |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 3.7 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | L3 - 6 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 8 GB |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 128 GB SSD - Kingston |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Resolution | 1 Megapixel | - |
| Camera Features | Privacy shutter | Privacy shutter, Temporal Noise Reduction |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| COMMUNICATIONS | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wi-Fi 6E AX 211 - M.2 2230 (CNVi) |
| Features | Dual stream (2x2) | Dual stream (2x2), MU-MIMO |
| BATTERY | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Capacity (Size) | 70 Wh | 50 Wh |
| Battery Life | Up to 15 hours | - |
| AC ADAPTER | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt | 45 Watt, 5 / 9 / 12 / 15 / 20 V |
| INPUT | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | - |
| Features | Multi-touch touchpad, buttonless touchpad | Precision touchpad, mechanically anchored keys |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
HDMI USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (DC-In combo, Power Delivery) 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Pro 64-bit Edition National Academic (available through downgrade rights from Windows 11 Pro National Academic) + Windows 11 Pro National Academic Licence |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | - |
| MISCELLANEOUS | Lenovo IdeaPad S540-15IML (81NG) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware 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 | Administrator password, hard drive password, power-on password, RapidCharge | - |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | MIL-STD 810F, MIL-STD 810H, TCO Certified 9.0 |
| SAR Value | 1.81 W/kg (body), 1.81 W/kg (limb) | 1.14 W/kg (body), 1.14 W/kg (head), 1.14 W/kg (limb) |
| Specific Absorption Rate (SAR) | - | 1.14 W/kg (head) 1.14 W/kg (body) 1.14 W/kg (limb) |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | TCO |
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