In depth comparison and review of Lenovo ThinkPad T14 Gen 3 (21CF) 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 Lenovo ThinkPad T14 Gen 3 (21CF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful processor options
good battery life
impressive security features
heavier than competitors
average display brightness
limited color options
expensive base model
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 T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 31.77 cm x 22.69 cm x 1.79 cm | 29.08 cm x 21.145 cm x 2.075 cm |
| Weight | 1.32 kg | 1.4 kg |
| Case Material | Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom) | - |
| Colour | Thunder black | Shale black |
| DISPLAY | Lenovo ThinkPad T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| Screen Size (Type) | 14" - IPS | 11.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1366 x 768 (WXGA) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | - |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | 50% NTSC |
| Features | Anti-glare, 170° viewing angle | Anti-glare, matte, ComfyView, Acer BluelightShield technology, 25 ms response rate |
| PROCESSOR | Lenovo ThinkPad T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| CPU | AMD Ryzen 5 Pro 6650U / 2.9 GHz | Intel N-series N200 |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 3.7 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | L3 - 16 MB | L3 - 6 MB |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR5 SDRAM | LPDDR5 SDRAM |
| Speed | 6400 MHz | - |
| Rated Speed | 6400 MHz | - |
| STORAGE | Lenovo ThinkPad T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 128 GB SSD - Kingston |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| Graphics Processor (GPU) | AMD Radeon 660M | Intel UHD Graphics |
|---|---|---|
| Max Monitors Supported | 3 external monitor(s) | - |
| Camera | Yes - 1080p | Yes - HD |
| Camera Features | Privacy shutter, IR camera, fixed focus | Privacy shutter, Temporal Noise Reduction |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio, Dolby Voice | - |
| COMMUNICATIONS | Lenovo ThinkPad T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Qualcomm NFA725A | Intel Wi-Fi 6E AX 211 - M.2 2230 (CNVi) |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Realtek RTL8111EPV | - |
| Compliant Standards | DASH | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | Dual stream (2x2), MU-MIMO |
| WWAN |
|---|
| Generation | 4G upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 52.5 Wh | 50 Wh |
| Battery Life | Up to 21.1 hours | - |
| AC ADAPTER | Lenovo ThinkPad T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| Input | AC 100-240 V (50/60 Hz) | - |
|---|---|---|
| Output | 45 Watt | 45 Watt, 5 / 9 / 12 / 15 / 20 V, 3 A |
| INPUT | Lenovo ThinkPad T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Multi-gesture touch pad, spill-resistant, precision touchpad, mechanically anchored keys, OceanGlass touchpad, serviceable keyboard design |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) 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 | - | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - French | Windows 11 Pro Education |
|---|---|---|
| Software Included | Glance by Mirametrix | - |
| MISCELLANEOUS | Lenovo ThinkPad T14 Gen 3 (21CF) | Acer TravelMate B3 11 (TMB311) |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader, smart card reader | - |
| Security Slot Type | Kensington nano 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, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, USB FIDO (Fast Identity Online) device integration, certificate based BIOS authentication | Administrator password, system password, MIL-STD-810H tested |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified | - |
| SAR Value | - | 1.14 W/kg (body), 1.14 W/kg (head), 1.14 W/kg (limb) |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Base warranty - 3 years - pick-up and return Extended warranty - 1 year - on-site Base warranty - battery - 1 year |
Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 33 |
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