Side by side comparison and review of Lenovo IdeaPad Flex 5 15IIL05 (81X3) and Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640). 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.
Advantages and disadvantages of Lenovo IdeaPad Flex 5 15IIL05 (81X3) based on its technical characteristics, features, user experience, expert reviews and price level.
flexible 2-in-1 design
responsive touchscreen display
affordable price point
solid build quality
decent battery life
moderate display brightness
average processor speed
limited graphics performance
no thunderbolt support
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
| DESIGN AND DIMENSIONS | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 35.76 cm x 23.79 cm x 2.09 cm | 30.6 cm x 20.448 cm x 1.695 cm |
| Weight | 1.8 kg | 1.35 kg |
| Case Material | Aluminum, polycarbonate ABS | Aluminum, polycarbonate, glass-fibre |
| Colour | Graphite grey | Iron grey |
| DISPLAY | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Screen Size (Type) | 15.6" | 13.3" - 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 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 300 cd/m² |
| Colour Gamut | 45% | 72% NTSC |
| Features | Glossy, One Glass Solution, Wide Viewing Angle, capacitive touch screen | Anti-glare |
| PROCESSOR | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| CPU | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz | Intel Core i5 (10th Gen) 10210U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 4.2 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | 2400 MHz |
| Rated Speed | 3200 MHz | 2400 MHz |
| STORAGE | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2242 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Max Monitors Supported | - | 1 external monitor(s) |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | Privacy shutter, fixed focus | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G |
|---|---|---|
| Technology | - | LTE Advanced |
| Controller | - | FIBOCOM L850-GL - M.2 Card |
| BATTERY | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 52.5 Wh | 60 Wh |
| Battery Life | Up to 10.5 hours | Up to 22 hours |
| AC ADAPTER | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt |
| INPUT | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Type | Keyboard, touchpad | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) 2 x USB 3.1 Gen 1 Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Operating System (OS) | Windows 10 Home in S mode - English | Windows 10 Pro 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office 365 Personal |
| MISCELLANEOUS | Lenovo IdeaPad Flex 5 15IIL05 (81X3) | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Included Accessories | Power adapter | Power adapter, Lenovo Digital Pen |
|---|---|---|
| Integrated Options | Accelerometer | Proximity sensor, G-sensor |
| Security | - | Fingerprint reader |
| Features | Hard drive password, power-on password, RapidCharge, smart charge | Administrator password, hard drive password, power-on password |
| Navigation Receiver | - | GPS |
| Compliant Standards | RoHS, ERP | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | 1.624 W/kg (body), 1.624 W/kg (limb) | 1.4 W/kg (body), 1.4 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
| Model Number | - | 13IML LTE 81XL |
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