Side by side comparison and review of Lenovo ThinkPad A475 (20KM) and Acer TravelMate B1 (TMB114-21). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Acer TravelMate B1 (TMB114-21) based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
affordable price point
efficient battery life
compact and portable
solid state drive storage
mediocre display quality
limited graphics performance
basic processor speed
fewer connectivity options
| DESIGN AND DIMENSIONS | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 33.66 cm x 23.25 cm x 1.995 cm | 35 cm x 25.3 cm x 2.007 cm |
| Weight | 1.65 kg | 1.68 kg |
| Case Material | Polyphenylene sulfide | - |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| Screen Size (Type) | 14" | 14" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 220 cd/m² |
| Features | Anti-glare | Anti-glare, ComfyView |
| PROCESSOR | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| CPU | AMD A12 PRO-8830B / 2.5 GHz | AMD A6 9220C / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 2.7 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | L2 - 2 MB | L2 - 1 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| RAM | 8 GB (1 x 8 GB) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 1866 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Samsung | 64 GB eMMC - SanDisk |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| Graphics Processor (GPU) | AMD Radeon R7 | AMD Radeon R5 |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Camera | Yes - 720p | Yes - HD |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3268 | - |
| Compliant Standards | High Definition Audio | High Definition Audio |
| COMMUNICATIONS | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Realtek RTL8822BE - M.2 Card | Atheros QCA9377A - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Realtek RTL8111EPV | - |
| Features | - | Wake-on-LAN (WOL) |
| BATTERY | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| Technology | 3-cell Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Installed Qty | 2 | - |
| Battery Capacity (Size) | 24 Wh | 51 Wh |
| Battery Life | Up to 10.26 hours | Up to 10 hours |
| AC ADAPTER | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 20 V | 45 Watt, 19 V |
| INPUT | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| Interfaces | 2 x USB 3.1 Gen 1/USB 3.0 USB 3.1 Gen 1/USB 3.0 (Always On) USB-C 3.1 Gen 2 HDMI LAN Dock Headphone/microphone combo jack |
2 x USB 2.0 USB 3.0 (with power off charging) HDMI VGA LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS Card) | Yes (SD Card) |
| SOFTWARE | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition (available through downgrade rights from Windows 10 Pro 64-bit) + Windows 10 Pro 64-bit Licence | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad A475 (20KM) | Acer TravelMate B1 (TMB114-21) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | 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 | MU-MIMO technology, MIL-STD-810G tested |
| Compliant Standards | RoHS | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - carry-in Traveller warranty - 1 year |
| Model Number | - | 65R0 |
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