Side by side comparison and review of Acer TravelMate B3 (TMB311) and Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145). 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 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
Advantages and disadvantages of Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
adequate connectivity options
solid build quality
simple user interface
mediocre battery life
average display quality
limited graphics performance
slower HDD storage
| DESIGN AND DIMENSIONS | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.5 cm x 21.5 cm x 2.09 cm | 36.22 cm x 25.15 cm x 1.99 cm |
| Weight | 1.4 kg | 1.85 kg |
| Case Material | - | Polycarbonate ABS |
| Colour | Shale black | Granite black IMR |
| DISPLAY | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| Screen Size (Type) | 11.6" - TN | 15.6" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (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 | 220 cd/m² | 220 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare, matte, ComfyView, Acer BluelightShield technology, 10 ms response rate | Anti-glare |
| PROCESSOR | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| CPU | Intel Celeron N4120 / 1.1 GHz | AMD A9 9425 / 3.1 GHz |
|---|---|---|
| Max Turbo Speed | 2.6 GHz | 3.7 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 4 MB | 1 MB |
| 64-bit Computing | - | Yes |
| Features | Intel Burst Technology | Integrated memory controller |
| MEMORY | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| RAM | 4 GB (provided memory is soldered) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | - | 8 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2133 MHz |
| Rated Speed | - | 2133 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| Main Storage Size (HDD/SSD) | 64 GB eMMC - Kingston | 128 GB SSD 2.5" (7 mm) SATA 6Gb/s |
|---|
| AUDIO & VIDEO | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 600 | AMD Radeon R5 |
|---|---|---|
| Camera | Yes - HD | Yes |
| Resolution | - | 0.3 Megapixel |
| Camera Features | Privacy shutter | - |
| Video Resolutions | 1280 x 720 | - |
| Sound | Stereo speakers, two microphones | Stereo speakers, microphone |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 - M.2 2230 (CNVi) | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO | Single stream (1x1) |
| BATTERY | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| Technology | 3-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 30 Wh |
| Battery Life | Up to 12 hours | Up to 4 hours |
| AC ADAPTER | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 12 / 15 / 20 V | 45 Watt |
| INPUT | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Features | Multi-gesture touch pad, precision touchpad, mechanically anchored keys | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| 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 2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition National Academic | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | Acer ProShield Security Manager | Microsoft Office (Trial) |
| MISCELLANEOUS | Acer TravelMate B3 (TMB311) | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) |
|---|
| Included Accessories | USB-C power adapter, 3-cell Li-Ion 48Wh battery | Power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM) solution | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, system password | Administrator password, hard drive password, power-on password |
| Compliant Standards | MIL-STD 810G | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | 0.82 W/kg (body), 0.82 W/kg (limb), 0.82 W/kg (head) | - |
| ENERGY STAR Certified | - | Yes |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Limited warranty - 1 year - pick-up and return |
| Model Number | 31 | 15AST 81N3 |
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