Side by side comparison and review of Lenovo Yoga C640-13IML (Lenovo Yoga C640) and Lenovo IdeaPad Flex 3 11IGL05 (82B2). 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.
| DESIGN AND DIMENSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| 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 | 1.13 kg |
| Case Material | Aluminum, polycarbonate, glass-fibre | Polycarbonate ABS |
| Colour | Iron grey | Abyss blue | Platinum grey |
| DISPLAY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
|---|
| Screen Size (Type) | 13.3" - IPS | 11.6" - IPS |
|---|---|---|
| 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 | 400 cd/m² | 250 cd/m² |
| Colour Gamut | 72% NTSC | 50% NTSC |
| Features | Anti-glare, 72% NTSC colour gamut | Glossy, capacitive touch screen |
| PROCESSOR | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
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| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Celeron N4020 / 1.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 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 | Integrated memory controller |
| MEMORY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | 2400 MHz |
| STORAGE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
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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 |
|---|
| AUDIO & VIDEO | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics 600 |
|---|---|---|
| Max Monitors Supported | - | 1 external monitor(s) |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | Privacy shutter | Privacy shutter, fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 60 Wh | 37.5 Wh |
| Battery Life | Up to 20 hours | Up to 11.2 hours |
| AC ADAPTER | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 45 Watt |
| INPUT | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
|---|
| Interfaces | 2 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) Headphone/microphone combo jack |
2 x USB 3.2 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft 365 Personal |
| MISCELLANEOUS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 3 11IGL05 (82B2) |
|---|
| Included Accessories | Power adapter, Lenovo Active Pen | Power adapter |
|---|---|---|
| Integrated Options | Accelerometer | G-sensor |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Features | Administrator password, power-on password | Administrator password, hard drive password, Rapid Charge Boost |
| Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | 0.32 W/kg (body), 0.32 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 81UE | - |
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