In depth comparison and review of Acer TravelMate Spin B3 (TMB311RNA) and Lenovo IdeaPad Flex 5 15IIL05 (81X3). 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 TravelMate Spin B3 (TMB311RNA) based on its technical characteristics, features, user experience, expert reviews and price level.
durable design
affordable price
360-degree hinge flexibility
good battery life
robust security features
mediocre display quality
limited storage capacity
basic graphics performance
heavier 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 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 29.5 cm x 21.69 cm x 2.09 cm | 35.76 cm x 23.79 cm x 2.09 cm |
| Weight | 1.4 kg | 1.8 kg |
| Case Material | Polycarbonate | Aluminum, polycarbonate ABS |
| Colour | Shale black | Graphite grey |
| DISPLAY | Acer TravelMate Spin B3 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Screen Size (Type) | 11.6" - IPS | 15.6" |
|---|---|---|
| Touchscreen | Yes (multi-touch) | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 52% NTSC | 45% |
| Windows Ink Capability | Yes | - |
| Features | Glare, CineCrystal, HID Compliant, Corning Gorilla glass 3, 25 ms response rate, Antimicrobial Corning Gorilla Glass | Glossy, One Glass Solution, Wide Viewing Angle, capacitive touch screen |
| PROCESSOR | Acer TravelMate Spin B3 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| CPU | Intel Pentium Silver N6000 / 1.1 GHz | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz |
|---|---|---|
| Max Turbo Speed | 3.3 GHz | 3.4 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 4 MB | 4 MB |
| 64-bit Computing | - | Yes |
| Features | Intel Burst Technology | Integrated memory controller |
| MEMORY | Acer TravelMate Spin B3 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| STORAGE | Acer TravelMate Spin B3 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2280 PCIe - Samsung | 128 GB SSD M.2 2242 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Acer TravelMate Spin B3 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Camera | Yes - HD | Yes - 720p |
| Resolution | 5 Megapixel (rear) | - |
| Camera Features | Privacy shutter | Privacy shutter, fixed focus |
| Video Resolutions | 1280 x 720 | - |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | Acer TravelMate Spin B3 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 - M.2 2230 (CNVi) | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO | Dual stream (2x2) |
| BATTERY | Acer TravelMate Spin B3 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Technology | 3-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 52.5 Wh |
| Battery Life | Up to 10 hours | Up to 10.5 hours |
| AC ADAPTER | Acer TravelMate Spin B3 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 12 / 15 / 20 V | 65 Watt |
| INPUT | Acer TravelMate Spin B3 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Features | Multi-gesture touch pad, precision touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Acer TravelMate Spin B3 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Interfaces | HDMI USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (DC-In combo, Power Delivery) 2 x USB 3.2 Gen 1 LAN (RJ-45) Headphone/microphone combo jack |
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 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Operating System (OS) | Windows 11 SE | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | Acer ProShield Security Manager | Microsoft Office (Trial) |
| MISCELLANEOUS | Acer TravelMate Spin B3 (TMB311RNA) | Lenovo IdeaPad Flex 5 15IIL05 (81X3) |
|---|
| Included Accessories | USB-C power adapter, Acer Active Stylus, 3-cell Li-Ion 48Wh battery | Power adapter |
|---|---|---|
| Integrated Options | - | Accelerometer |
| Security | Trusted Platform Module (TPM) Security Chip | - |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, system password | Hard drive password, power-on password, RapidCharge, smart charge |
| Compliant Standards | MIL-STD 810F, MIL-STD 810H | RoHS, ERP |
| SAR Value | 1.12 W/kg (body), 1.12 W/kg (limb), 1.12 W/kg (head) | 1.624 W/kg (body), 1.624 W/kg (limb) |
| ENERGY STAR Certified | - | Yes |
| TCO Certified | TCO Certified Notebooks 8 | - |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Limited warranty - 1 year - pick-up and return |
| Model Number | 32 | - |
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