Side by side comparison and review of Lenovo Yoga C740-15IML (Lenovo Yoga C740) and Lenovo Yoga C640-13IML (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 Yoga C740-15IML (Lenovo Yoga C740) based on its technical characteristics, features, user experience, expert reviews and price level.
responsive touchscreen display
sleek aluminum design
impressive battery life
solid performance levels
convenient 2-in-1 versatility
limited port selection
no dedicated graphics
standard 1080p resolution
higher price point
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
| DESIGN AND DIMENSIONS | Lenovo Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 35.78 cm x 23.535 cm x 1.825 cm | 30.6 cm x 20.448 cm x 1.695 cm |
| Weight | 1.9 kg | 1.35 kg |
| Case Material | Aluminum | Aluminum, polycarbonate, glass-fibre |
| Colour | Mica | Iron grey | Iron grey |
| DISPLAY | Lenovo Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Screen Size (Type) | 15.6" - IPS | 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 | 400 cd/m² |
| Colour Gamut | 45% NTSC | 72% NTSC |
| Features | Anti-glare | Anti-glare, 72% NTSC colour gamut |
| PROCESSOR | Lenovo Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i5 (10th Gen) 10210U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.2 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 2400 MHz |
| Rated Speed | 2666 MHz | 2400 MHz |
| STORAGE | Lenovo Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | Privacy shutter | 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 Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 - M.2 Card | M.2 Card |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 60.3 Wh | 60 Wh |
| Battery Life | Up to 15 hours | Up to 20 hours |
| AC ADAPTER | Lenovo Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt |
| INPUT | Lenovo Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack |
2 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) Headphone/microphone combo jack |
|---|
| SOFTWARE | Lenovo Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo Yoga C740-15IML (Lenovo Yoga C740) | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Included Accessories | USB-C power adapter, Lenovo Active Pen | Power adapter, Lenovo Active Pen |
|---|---|---|
| Integrated Options | Accelerometer | Accelerometer |
| 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, power-on password |
| Compliant Standards | RoHS | RoHS |
| SAR Value | 1.11 W/kg (body), 1.11 W/kg (limb) | 0.32 W/kg (body), 0.32 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 | 15IML 81TD | 13IML 81UE |
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