In depth comparison and review of Lenovo ThinkPad A275 (20KD) and Acer TravelMate B3 11 (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.
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
| DESIGN AND DIMENSIONS | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 30.55 cm x 20.85 cm x 2.03 cm | 29.08 cm x 21.145 cm x 2.075 cm |
| Weight | 1.36 kg | 1.4 kg |
| Case Material | Glass-fibre reinforced plastic | - |
| Colour | Black | Shale black |
| DISPLAY | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| Screen Size (Type) | 12.5" - TN | 11.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 1366 x 768 (WXGA) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 220 cd/m² | 250 cd/m² |
| Colour Gamut | - | 50% NTSC |
| Features | Anti-glare | Anti-glare, matte, ComfyView, Acer BluelightShield technology, 25 ms response rate |
| PROCESSOR | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| CPU | AMD A10 PRO-8730B / 2.4 GHz | Intel N-series N200 |
|---|---|---|
| Max Turbo Speed | 3.3 GHz | 3.7 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 2 MB | L3 - 6 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 1866 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA | 128 GB SSD - Kingston |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| Graphics Processor (GPU) | AMD Radeon R5 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Camera Features | - | Privacy shutter, Temporal Noise Reduction |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3268 | - |
| Compliant Standards | High Definition Audio | - |
| COMMUNICATIONS | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Realtek RTL8822BE - M.2 Card | Intel Wi-Fi 6E AX 211 - M.2 2230 (CNVi) |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Realtek RTL8111EPV | - |
| Features | - | Dual stream (2x2), MU-MIMO |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE Advanced | - |
| Controller | Sierra Wireless EM7455 - M.2 Card | - |
| BATTERY | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| Technology | 3-cell Lithium Ion | - |
|---|---|---|
| Installed Qty | 2 | - |
| Battery Capacity (Size) | 23 Wh | 50 Wh |
| Battery Life | Up to 10.1 hours | - |
| AC ADAPTER | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 45 Watt | 45 Watt, 5 / 9 / 12 / 15 / 20 V, 3 A |
| INPUT | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-gesture touch pad, spill-resistant, precision touchpad, mechanically anchored keys, OceanGlass touchpad, serviceable keyboard design |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| Slots | 1 x Micro-SIM card (1 free) | - |
|---|---|---|
| Interfaces | USB 3.1 Gen 1/USB 3.0 USB 3.1 Gen 1/USB 3.0 (Always On) USB-C 3.1 Gen 1 HDMI LAN Headphone/microphone combo jack |
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 |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| Operating System (OS) | FreeDOS | Windows 11 Pro Education |
|---|
| MISCELLANEOUS | Lenovo ThinkPad A275 (20KD) | Acer TravelMate B3 11 (TMB311) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) 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, MIL-STD-810G tested | Administrator password, system password, MIL-STD-810H tested |
| Navigation Receiver | GPS | - |
| Compliant Standards | RoHS | - |
| SAR Value | - | 1.14 W/kg (body), 1.14 W/kg (head), 1.14 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 33 |
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