In depth comparison and review of Acer Extensa 15 (EX215) and Acer TravelMate B3 (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 Extensa 15 (EX215) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate performance
full HD display
average graphics
limited upgrade options
basic design
no backlit keyboard
Advantages and disadvantages of Acer TravelMate B3 (TMB311) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
affordable price point
long battery life
educational software included
decent connectivity options
mediocre display resolution
limited storage capacity
basic processor performance
average graphics capability
| DESIGN AND DIMENSIONS | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.34 cm x 23.84 cm x 1.99 cm | 29.5 cm x 21.5 cm x 2.09 cm |
| Weight | 1.9 kg | 1.4 kg |
| Case Material | Polycarbonate, ABS plastic | - |
| Colour | Charcoal black | Shale black |
| DISPLAY | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| Screen Size (Type) | 15.6" | 11.6" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 220 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare, ComfyView, Acer BluelightShield technology, 25 ms response rate, Narrow Border Display | Anti-glare, matte, ComfyView, Acer BluelightShield technology, 10 ms response rate |
| PROCESSOR | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| CPU | Intel Core i3 (11th Gen) 1115G4 | Intel Celeron N4120 / 1.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 2.6 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 6 MB | 4 MB |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Intel Burst Technology |
| MEMORY | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| RAM | 4 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| STORAGE | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 64 GB eMMC - Kingston |
|---|
| AUDIO & VIDEO | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics 600 |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Camera | Yes - HD | Yes - HD |
| Camera Features | - | Privacy shutter |
| Video Resolutions | - | 1280 x 720 |
| Sound | Stereo speakers, two microphones | Stereo speakers, two microphones |
| COMMUNICATIONS | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | - | Intel Wireless-AC 9560 - M.2 2230 (CNVi) |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Wake-on-LAN (WOL), single stream (1x1) | Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO |
| BATTERY | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| Technology | 2-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 36.7 Wh | 48 Wh |
| Battery Life | Up to 8 hours | Up to 12 hours |
| AC ADAPTER | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| Input | - | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V | 45 Watt, 5 / 9 / 12 / 15 / 20 V |
| INPUT | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Features | Multi-gesture touch pad, precision touchpad | Multi-gesture touch pad, precision touchpad, mechanically anchored keys |
| CONNECTIONS & EXPANSIONS | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| Interfaces | HDMI 2 x USB 3.2 Gen 1 USB 2.0 LAN Headphone/microphone combo jack |
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) |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Pro 64-bit Edition National Academic |
|---|---|---|
| Software Included | - | Acer ProShield Security Manager |
| MISCELLANEOUS | Acer Extensa 15 (EX215) | Acer TravelMate B3 (TMB311) |
|---|
| Included Accessories | Power adapter, HDD kit | USB-C power adapter, 3-cell Li-Ion 48Wh battery |
|---|---|---|
| Security | - | Discrete Trusted Platform Module (TPM) solution |
| 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 |
| Compliant Standards | - | MIL-STD 810G |
| SAR Value | 0.93 W/kg (body), 0.93 W/kg (limb), 0.93 W/kg (head) | 0.82 W/kg (body), 0.82 W/kg (limb), 0.82 W/kg (head) |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | 54 | 31 |
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