In depth comparison and review of Lenovo Yoga C940-14IIL (Lenovo Yoga C940) and Acer TravelMate Spin B3 (TMB311R-31). 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 (TMB311R-31) |
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Product Type | Notebook - flip design | Notebook - flip design |
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Dimensions (WxDxH) | 32.03 cm x 21.56 cm x 1.57 cm | 29.5 cm x 21.5 cm x 2.09 cm |
Weight | 1.35 kg | 1.49 kg |
Case Material | Aluminum | - |
Colour | Iron grey | Mica | Shale black |
DISPLAY | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311R-31) |
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Screen Size (Type) | 14" - IPS | 11.6" - AHVA |
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Touchscreen | Yes (10-point multi-touch) | Yes (multi-touch) |
LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 400 cd/m² | 235 cd/m² |
Colour Gamut | 72% NTSC | - |
Windows Ink Capability | - | Yes |
Features | Glossy, Dolby Vision, 72% NTSC colour gamut | Glare, CineCrystal, 25 ms response rate |
PROCESSOR | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311R-31) |
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CPU | Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz | Intel Celeron N4020 / 1.1 GHz |
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Max Turbo Speed | 3.7 GHz | 2.8 GHz |
Number of Cores | Quad-Core | Dual-Core |
Cache | 6 MB | 4 MB |
64-bit Computing | Yes | Yes |
Features | Integrated memory controller | Intel Burst Technology |
MEMORY | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311R-31) |
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RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
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RAM Type | LPDDR4X SDRAM | DDR4 SDRAM |
Speed | 3733 MHz | - |
Rated Speed | 3733 MHz | - |
STORAGE | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311R-31) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 64 GB eMMC - eMMC 5.1 - SanDisk |
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AUDIO & VIDEO | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311R-31) |
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Graphics Processor (GPU) | Intel Iris Plus Graphics | Intel UHD Graphics 600 |
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Memory Allocation Technology | - | Shared Video Memory (UMA) |
Camera | Yes - 720p | Yes - HD |
Resolution | 1 Megapixel | - |
Camera Features | Privacy shutter | - |
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 (TMB311R-31) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 |
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Wireless Controller | M.2 Card | Intel Wireless-AC 9560 - M.2 2230 |
Network Interface | - | Gigabit Ethernet |
Features | Dual stream (2x2) | Wake-on-LAN (WOL) |
BATTERY | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311R-31) |
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Technology | Lithium Ion | 4-cell Lithium Ion |
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Battery Capacity (Size) | 60 Wh | 48 Wh |
Battery Life | Up to 17.8 hours | Up to 12 hours |
AC ADAPTER | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311R-31) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt | 45 Watt, 19 V |
INPUT | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311R-31) |
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Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, touchpad |
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Keyboard Backlight | Yes | - |
Features | Multi-touch touchpad, buttonless touchpad | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad |
CONNECTIONS & EXPANSIONS | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311R-31) |
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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 |
2 x USB 3.2 Gen 1 HDMI Headphone/microphone combo jack LAN |
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Memory Card Reader | - | Yes (microSD) |
SOFTWARE | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311R-31) |
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Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Pro 64-bit Edition National Academic |
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Software Included | Microsoft Office (Trial) | - |
MISCELLANEOUS | Lenovo Yoga C940-14IIL (Lenovo Yoga C940) | Acer TravelMate Spin B3 (TMB311R-31) |
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Included Accessories | USB-C power adapter, Lenovo Active Pen | Power adapter |
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Integrated Options | Accelerometer | - |
Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | - |
Security Slot Type | - | Kensington security slot |
Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
Features | Administrator password, power-on password | MU-MIMO technology |
Compliant Standards | RoHS | MIL-STD 810G |
SAR Value | 1.23 W/kg (body), 1.23 W/kg (limb) | 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 - pick-up and return | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Model Number | 14IIL 81Q9 | C2K1 |