In depth comparison and review of Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) and Lenovo IdeaPad Flex 3 11ADA05 (82G4). 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 Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) based on its technical characteristics, features, user experience, expert reviews and price level.
long battery life
lightweight and portable
integrated LTE connectivity
responsive touchscreen display
solid build quality
limited storage capacity
average graphics performance
no optical drive
higher price point
Advantages and disadvantages of Lenovo IdeaPad Flex 3 11ADA05 (82G4) based on its technical characteristics, features, user experience, expert reviews and price level.
flexible 2-in-1 design
affordable price point
compact and lightweight
decent battery life
fanless, silent operation
mediocre display quality
limited storage capacity
underpowered for multitasking
fewer connectivity options.
DESIGN AND DIMENSIONS | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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Product Type | Notebook - flip design | Notebook - flip design |
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Dimensions (WxDxH) | 30.6 cm x 20.448 cm x 1.695 cm | 28.17 cm x 19.8 cm x 1.75 cm |
Weight | 1.35 kg | 1.2 kg |
Case Material | Aluminum, polycarbonate, glass-fibre | Polycarbonate ABS |
Colour | Iron grey | Platinum grey | Abyss blue |
DISPLAY | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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Screen Size (Type) | 13.3" - IPS | 11.6" - IPS |
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Touchscreen | Yes (10-point multi-touch) | Yes (10-point 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 | 300 cd/m² | 250 cd/m² |
Colour Gamut | 72% NTSC | 50% NTSC |
Features | Anti-glare | Glossy, capacitive touch screen |
PROCESSOR | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | AMD 3000 Series 3020E / 1.2 GHz |
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Max Turbo Speed | 4.2 GHz | 2.6 GHz |
Number of Cores | Quad-Core | Dual-Core |
Cache | 6 MB | L3 - 4 MB |
64-bit Computing | Yes | - |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
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RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2400 MHz | 2400 MHz |
Rated Speed | 2400 MHz | 2400 MHz |
STORAGE | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 64 GB eMMC - eMMC 5.1 |
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AUDIO & VIDEO | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon Graphics |
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Memory Allocation Technology | Shared Video Memory (UMA) | Shared Video Memory (UMA) |
Max Monitors Supported | 1 external monitor(s) | 2 external monitor(s) |
Camera | Yes - 720p | Yes - 720p |
Camera Features | Privacy shutter | Privacy shutter |
Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
Codec | - | Realtek ALC3287 |
Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio |
COMMUNICATIONS | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
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Wireless Controller | M.2 Card | M.2 Card |
Features | Dual stream (2x2) | Dual stream (2x2) |
WWAN |
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Generation | 4G | - |
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Technology | LTE Advanced | - |
Controller | FIBOCOM L850-GL - M.2 Card | - |
BATTERY | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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Technology | Lithium polymer | Lithium polymer |
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Battery Capacity (Size) | 60 Wh | 37.5 Wh |
Battery Life | Up to 22 hours | Up to 11.25 hours |
AC ADAPTER | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 45 Watt | 45 Watt |
INPUT | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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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-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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Slots | 1 x Nano-SIM card (1 free) | - |
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Interfaces | USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) 2 x USB 3.1 Gen 1 Headphone/microphone combo jack |
2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
Memory Card Reader | - | Yes (microSD) |
SOFTWARE | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home in S mode - English |
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Software Included | Microsoft Office 365 Personal | Microsoft Office (Trial) |
MISCELLANEOUS | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11ADA05 (82G4) |
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Included Accessories | Power adapter, Lenovo Digital Pen | Wall mount power adapter |
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Integrated Options | Proximity sensor, G-sensor | Accelerometer |
Security | Fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
Features | Administrator password, hard drive password, power-on password | Administrator password, hard drive password, smart charge |
Navigation Receiver | GPS | - |
Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS, Energy-Related Products (ErP) Lot 3 |
SAR Value | 1.4 W/kg (body), 1.4 W/kg (limb) | 1.1 W/kg (body), 1.1 W/kg (limb) |
ENERGY STAR Certified | Yes | Yes |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 5 °C |
Humidity Range Operating | - | 8 - 95% |
Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
Model Number | 13IML LTE 81XL | - |