In depth comparison and review of Acer TravelMate B3 11 (TMB311) and Lenovo IdeaPad 720S-14IKBR (81BD). 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 Acer TravelMate B3 11 (TMB311) based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
affordable price point
efficient battery life
robust security features
lightweight design
mediocre display quality
limited storage capacity
basic graphics performance
slow processor speed
Advantages and disadvantages of Lenovo IdeaPad 720S-14IKBR (81BD) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
sharp full HD display
solid overall performance
fast SSD storage
decent battery life
limited port selection
no dedicated GPU
average sound quality
pricier than competitors
| DESIGN AND DIMENSIONS | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.08 cm x 21.145 cm x 2.075 cm | 32.07 cm x 22.28 cm x 1.59 cm |
| Weight | 1.4 kg | 1.55 kg |
| Case Material | - | Aluminium (top), aluminium (bottom) |
| Colour | Shale black | Silver |
| DISPLAY | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Screen Size (Type) | 11.6" - IPS | 14" - IPS |
|---|---|---|
| Screen Resolution | 1366 x 768 (WXGA) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 250 cd/m² | 300 cd/m² |
| Colour Gamut | 50% NTSC | - |
| Features | Anti-glare, matte, ComfyView, Acer BluelightShield technology, 25 ms response rate | Anti-glare |
| PROCESSOR | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| CPU | Intel N-series N200 | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 3.4 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | L3 - 6 MB | 6 MB |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | LPDDR5 SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 128 GB SSD M.2 2280 PCIe 3.0 x4 |
|---|
| AUDIO & VIDEO | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
| Video Memory | - | 2 GB GDDR5 SDRAM |
| Camera | Yes - HD | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | Privacy shutter, Temporal Noise Reduction | Fixed focus |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Compliant Standards | - | High Definition Audio, Dolby Audio Premium |
| Audio Features | - | Output: JBL |
| COMMUNICATIONS | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 - M.2 2230 (CNVi) | M.2 Card |
| Features | Dual stream (2x2), MU-MIMO | Single stream (1x1) |
| BATTERY | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Technology | - | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 55 Wh |
| Battery Life | - | Up to 14 hours |
| AC ADAPTER | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Input | - | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 12 / 15 / 20 V, 3 A | 65 Watt |
| INPUT | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Multi-gesture touch pad, spill-resistant, precision touchpad, mechanically anchored keys, OceanGlass touchpad, serviceable keyboard design | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Interfaces | HDMI 2 x USB 3.2 Gen 1 USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (DC-In combo, Power Delivery) LAN Headphone/microphone combo jack |
USB 3.0 (Always On) USB 3.0 USB-C 3.1 Gen 1/Thunderbolt 3/DisplayPort 1.2a (Power Delivery) HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Operating System (OS) | Windows 11 Pro Education | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | - | Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer |
| MISCELLANEOUS | Acer TravelMate B3 11 (TMB311) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | - | Fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, system password, MIL-STD-810H tested | Administrator password, power-on password |
| Compliant Standards | - | RoHS |
| SAR Value | 1.14 W/kg (body), 1.14 W/kg (head), 1.14 W/kg (limb) | - |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Limited warranty - 1 year - pick-up and return |
| Model Number | 33 | - |
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