Detailed comparison and review of Acer TravelMate B3 (TMB311) and Lenovo ThinkPad E14 Gen 2 (20TB). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.5 cm x 21.5 cm x 2.09 cm | 32.4 cm x 22 cm x 1.89 cm |
| Weight | 1.4 kg | 1.59 kg |
| Case Material | - | Aluminum, polycarbonate ABS |
| Colour | Shale black | Black |
| DISPLAY | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| Screen Size (Type) | 11.6" - TN | 14" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 220 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Anti-glare, matte, ComfyView, Acer BluelightShield technology, 10 ms response rate | Anti-glare, 90° viewing angle |
| PROCESSOR | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| CPU | Intel Celeron N4120 / 1.1 GHz | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 2.6 GHz | 4.2 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 4 MB | 8 MB |
| Features | Intel Burst Technology | Integrated memory controller |
| MEMORY | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| Main Storage Size (HDD/SSD) | 64 GB eMMC - Kingston | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) - Samsung |
|---|
| AUDIO & VIDEO | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 600 | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | - | 2 external monitor(s) |
| Camera | Yes - HD | Yes - 720p |
| Camera Features | Privacy shutter | ThinkShutter camera privacy |
| Video Resolutions | 1280 x 720 | - |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | - | Harman/kardon stereo speakers |
| COMMUNICATIONS | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 - M.2 2230 (CNVi) | Intel Wi-Fi 6 AX 201 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111H-CG |
| Features | Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO | - |
| BATTERY | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| Technology | 3-cell Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 45 Wh |
| Battery Life | Up to 12 hours | Up to 11.9 hours |
| AC ADAPTER | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 12 / 15 / 20 V | 65 Watt |
| INPUT | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Features | Multi-gesture touch pad, precision touchpad, mechanically anchored keys | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| Slots | - | 1 x M.2 Card (1 free) |
|---|---|---|
| Interfaces | 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) |
USB 2.0 USB 3.2 Gen 1 (Always On) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition National Academic | Windows 10 Home 64-bit Edition |
|---|---|---|
| Software Included | Acer ProShield Security Manager | - |
| MISCELLANEOUS | Acer TravelMate B3 (TMB311) | Lenovo ThinkPad E14 Gen 2 (20TB) |
|---|
| Included Accessories | USB-C power adapter, 3-cell Li-Ion 48Wh battery | USB-C power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM) solution | 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, system password | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS |
| Compliant Standards | MIL-STD 810G | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3 |
| SAR Value | 0.82 W/kg (body), 0.82 W/kg (limb), 0.82 W/kg (head) | 0.84 W/kg (body), 0.84 W/kg (limb) |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
- |
| Model Number | 31 | - |
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