Side by side comparison and review of Lenovo IdeaPad Flex 5 15IIL05 (81X3) and Acer TravelMate B3 Spin 11 (TMB311RN). 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 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
Advantages and disadvantages of Acer TravelMate B3 Spin 11 (TMB311RN) based on its technical characteristics, features, user experience, expert reviews and price level.
durable design
affordable price
360-degree hinge flexibility
decent battery life
touchscreen functionality
mediocre display quality
limited storage capacity
average processor performance
heavy for size
| DESIGN AND DIMENSIONS | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 35.76 cm x 23.79 cm x 2.09 cm | 29.08 cm x 21.145 cm x 2.075 cm |
| Weight | 1.8 kg | 1.5 kg |
| Case Material | Aluminum, polycarbonate ABS | - |
| Colour | Graphite grey | Shale black |
| DISPLAY | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| Screen Size (Type) | 15.6" | 11.6" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | Yes (multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 250 cd/m² | 250 cd/m² |
| Colour Gamut | 45% | 52% NTSC |
| Features | Glossy, One Glass Solution, Wide Viewing Angle, capacitive touch screen | Glare, Corning Gorilla glass 3, Acer BluelightShield technology, 25 ms response rate |
| PROCESSOR | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| CPU | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz | Intel N-series N200 |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 3.7 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | L3 - 6 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 3200 MHz | - |
| Rated Speed | 3200 MHz | - |
| STORAGE | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2242 PCIe - NVM Express (NVMe) | 128 GB eMMC - Kingston |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Camera Features | Privacy shutter, fixed focus | HDR (High Dynamic Range), privacy shutter, Temporal Noise Reduction |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Compliant Standards | High Definition Audio, Dolby Atmos | - |
| COMMUNICATIONS | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wi-Fi 6E AX 211 - M.2 2230 (CNVi) |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Capacity (Size) | 52.5 Wh | 50 Wh |
| Battery Life | Up to 10.5 hours | - |
| AC ADAPTER | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt | 45 Watt, 5 / 9 / 12 / 15 / 20 V, 3 A |
| INPUT | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| Type | Keyboard, touchpad | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Numeric Keypad | Yes | - |
| Features | Multi-touch touchpad | Multi-gesture touch pad, spill-resistant, precision touchpad, mechanically anchored keys, OceanGlass touchpad, serviceable keyboard design |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
HDMI USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (DC-In combo, Power Delivery) 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| Operating System (OS) | Windows 10 Home in S mode - English | Windows 11 Pro Education |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Acer TravelMate B3 Spin 11 (TMB311RN) |
|---|
| Included Accessories | Power adapter | Active stylus, USB-C power adapter |
|---|---|---|
| Integrated Options | Accelerometer | - |
| 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 | Administrator password, system password, MIL-STD-810H tested |
| Compliant Standards | RoHS, ERP | - |
| SAR Value | 1.624 W/kg (body), 1.624 W/kg (limb) | 1.14 W/kg (body), 1.14 W/kg (head), 1.14 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 33 |
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