In depth comparison and review of Lenovo Yoga C640-13IML (Lenovo Yoga C640) and Lenovo IdeaPad Flex 5 16IAU7 (82R8). 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 (Lenovo Yoga C640) based on its technical characteristics, features, user experience, expert reviews and price level.
long battery life
lightweight design
responsive touchscreen
solid build quality
fast charging support
limited port selection
average speaker quality
no dedicated GPU
higher price point
Advantages and disadvantages of Lenovo IdeaPad Flex 5 16IAU7 (82R8) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile 2-in-1 design
responsive touchscreen display
solid build quality
affordable price point
decent battery life
moderate display brightness
average processor speed
limited graphics performance
noisy under load
| DESIGN AND DIMENSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 5 16IAU7 (82R8) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 30.6 cm x 20.448 cm x 1.695 cm | 35.78 cm x 25.39 cm x 1.87 cm |
| Weight | 1.35 kg | 2.1 kg |
| Case Material | Aluminum, polycarbonate, glass-fibre | Aluminium (top), glass-fibre (bottom), polycarbonate ABS (bottom) |
| Colour | Iron grey | Storm grey |
| DISPLAY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 5 16IAU7 (82R8) |
|---|
| Screen Size (Type) | 13.3" - IPS | 16" - 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) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 400 cd/m² | 300 cd/m² |
| Colour Gamut | 72% NTSC | 45% NTSC |
| Features | Anti-glare, 72% NTSC colour gamut | Glossy, One Glass Solution, Direct Bonding technology, Glass Film Film (GFF), Low Blue Light technology, capacitive touch screen, 170° viewing angle, DC dimming |
| PROCESSOR | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 5 16IAU7 (82R8) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i7 (12th Gen) 1255U / 1.7 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.7 GHz |
| Number of Cores | Quad-Core | 10-core |
| Cache | 6 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 5 16IAU7 (82R8) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | LPDDR4X SDRAM |
| Speed | 2400 MHz | 4266 MHz |
| Rated Speed | 2400 MHz | 4266 MHz |
| STORAGE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 5 16IAU7 (82R8) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 5 16IAU7 (82R8) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | - | 2 external monitor(s) |
| Camera | Yes - 720p | Yes - 1080p |
| Camera Features | Privacy shutter | Privacy shutter, fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio |
| Audio Features | - | Noise-cancellation technology |
| COMMUNICATIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 5 16IAU7 (82R8) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| 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 5 16IAU7 (82R8) |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 60 Wh | 52.5 Wh |
| Battery Life | Up to 20 hours | Up to 11.5 hours |
| Battery Run Time | - | Local video (1080p) playback time (150 nits): up to 11.5 hours |
| AC ADAPTER | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 5 16IAU7 (82R8) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 65 Watt |
| INPUT | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 5 16IAU7 (82R8) |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 5 16IAU7 (82R8) |
|---|
| Interfaces | 2 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) Headphone/microphone combo jack |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 2 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 5 16IAU7 (82R8) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Home in S mode - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo IdeaPad Flex 5 16IAU7 (82R8) |
|---|
| Included Accessories | Power adapter, Lenovo Active Pen | Power adapter |
|---|---|---|
| Integrated Options | Accelerometer | Accelerometer, hall sensor |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Features | Administrator password, power-on password | Administrator password, hard drive password, Rapid Charge Boost, self-healing BIOS, Amazon Alexa Voice Assistant, pen upgradable, Lenovo Voice Assistant (LVA) |
| Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) |
| SAR Value | 0.32 W/kg (body), 0.32 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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