Side by side comparison and review of Acer TravelMate Spin B3 (TMB311R) and Lenovo IdeaPad Flex 5 15IIL05 (81X3). 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 Spin B3 (TMB311R) based on its technical characteristics, features, user experience, expert reviews and price level.
durable design
affordable price
360-degree hinge
good battery life
anti-microbial coating
mediocre performance
low-resolution screen
limited storage
heavy build
Advantages and disadvantages of Lenovo IdeaPad Flex 5 15IIL05 (81X3) based on its technical characteristics, features, user experience, expert reviews and price level.
flexible 2-in-1 design
responsive touchscreen display
affordable price point
solid build quality
decent battery life
moderate display brightness
average processor speed
limited graphics performance
no thunderbolt support
| DESIGN AND DIMENSIONS | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 29.5 cm x 21.5 cm x 2.095 cm | 35.76 cm x 23.79 cm x 2.09 cm |
| Weight | 1.4 kg | 1.8 kg |
| Case Material | Polycarbonate, ABS plastic | Aluminum, polycarbonate ABS |
| Colour | Shale black | Graphite grey |
| DISPLAY | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Screen Size (Type) | 11.6" - AHVA | 15.6" |
|---|---|---|
| Touchscreen | Yes (multi-touch) | Yes (10-point multi-touch) |
| 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 | 235 cd/m² | 250 cd/m² |
| Colour Gamut | - | 45% |
| Windows Ink Capability | Yes | - |
| Features | Glare, CineCrystal, 25 ms response rate | Glossy, One Glass Solution, Wide Viewing Angle, capacitive touch screen |
| PROCESSOR | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| CPU | Intel Celeron N4020 / 1.1 GHz | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz |
|---|---|---|
| Max Turbo Speed | 2.8 GHz | 3.4 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 4 MB | 4 MB |
| 64-bit Computing | - | Yes |
| Features | Intel Burst Technology | Integrated memory controller |
| MEMORY | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| RAM | 4 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| STORAGE | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Main Storage Size (HDD/SSD) | 64 GB eMMC - Kingston | 128 GB SSD M.2 2242 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 600 | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Camera | Yes - HD | Yes - 720p |
| Resolution | 5 Megapixel (rear), 0.9 Megapixel (front) | - |
| Camera Features | - | Privacy shutter, fixed focus |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | Realtek ALC256M | - |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Wireless | 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 - M.2 2230 | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | Wake-on-LAN (WOL), MU-MIMO | Dual stream (2x2) |
| BATTERY | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Technology | 4-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 52.5 Wh |
| Battery Life | Up to 12 hours | Up to 10.5 hours |
| AC ADAPTER | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V | 65 Watt |
| INPUT | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Features | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Interfaces | 2 x USB 3.2 Gen 1 HDMI Headphone/microphone combo jack LAN |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition National Academic | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Acer TravelMate Spin B3 (TMB311R) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Integrated Options | G-sensor | Accelerometer |
| Security | 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 | - | Hard drive password, power-on password, RapidCharge, smart charge |
| Compliant Standards | MIL-STD 810G | RoHS, ERP |
| SAR Value | 0.82 W/kg (body), 0.82 W/kg (limb), 0.82 W/kg (head) | 1.624 W/kg (body), 1.624 W/kg (limb) |
| 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 | - |
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