In depth comparison and review of Lenovo Yoga C940-14IIL (Lenovo Yoga C940) and Acer TravelMate Spin B3 (TMB311RNA). 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.
| DESIGN AND DIMENSIONS | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
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| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 32.03 cm x 21.56 cm x 1.57 cm | 29.5 cm x 21.69 cm x 2.09 cm |
| Weight | 1.35 kg | 1.4 kg |
| Case Material | Aluminum | Polycarbonate |
| Colour | Iron grey | Mica | Shale black |
| DISPLAY | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
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| Screen Size (Type) | 14" - IPS | 11.6" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | Yes (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 | 400 cd/m² | 300 cd/m² |
| Colour Gamut | 72% NTSC | 52% NTSC |
| Windows Ink Capability | - | Yes |
| Features | Glossy, Dolby Vision, 72% NTSC colour gamut | Glare, CineCrystal, HID Compliant, Corning Gorilla glass 3, 25 ms response rate, Antimicrobial Corning Gorilla Glass |
| PROCESSOR | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
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| CPU | Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz | Intel Pentium Silver N6000 / 1.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 3.3 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 4 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Burst Technology |
| MEMORY | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
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| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR4X SDRAM | DDR4 SDRAM |
| Speed | 3733 MHz | - |
| Rated Speed | 3733 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| STORAGE | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
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| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 128 GB SSD M.2 2280 PCIe - Samsung |
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| AUDIO & VIDEO | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
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| Graphics Processor (GPU) | Intel Iris Plus Graphics | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Camera | Yes - 720p | Yes - HD |
| Resolution | 1 Megapixel | 5 Megapixel (rear) |
| Camera Features | Privacy shutter | Privacy shutter |
| Video Resolutions | - | 1280 x 720 |
| Sound | Four speakers, dual array microphone | Stereo speakers, two microphones |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio |
| COMMUNICATIONS | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
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| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wi-Fi 6 AX 201 - M.2 2230 (CNVi) |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO |
| BATTERY | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
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| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 60 Wh | 48 Wh |
| Battery Life | Up to 17.8 hours | Up to 10 hours |
| AC ADAPTER | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
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| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt | 45 Watt, 5 / 9 / 12 / 15 / 20 V |
| INPUT | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
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| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Multi-touch touchpad, buttonless touchpad | Multi-gesture touch pad, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
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| Interfaces | 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) USB 3.1 Gen 2 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 LAN (RJ-45) Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 SE |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Acer ProShield Security Manager |
| MISCELLANEOUS | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311RNA) |
|---|
| Included Accessories | USB-C power adapter, Lenovo Active Pen | USB-C power adapter, Acer Active Stylus, 3-cell Li-Ion 48Wh battery |
|---|---|---|
| Integrated Options | Accelerometer | - |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | 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, power-on password | Administrator password, system password |
| Compliant Standards | RoHS | MIL-STD 810F, MIL-STD 810H |
| SAR Value | 1.23 W/kg (body), 1.23 W/kg (limb) | 1.12 W/kg (body), 1.12 W/kg (limb), 1.12 W/kg (head) |
| ENERGY STAR Certified | Yes | - |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | 14IIL 81Q9 | 32 |
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