Side by side comparison and review of Dell Inspiron 7391 2-in-1 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 Dell Inspiron 7391 2-in-1 based on its technical characteristics, features, user experience, expert reviews and price level.
flexible 2-in-1 design
lightweight and portable
responsive touch display
solid build quality
adequate connectivity options
average battery life
moderate storage capacity
standard graphics performance
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 | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 30.676 cm x 21.592 cm x 1.59 cm | 30.6 cm x 20.448 cm x 1.695 cm |
| Weight | 1.4 kg | 1.35 kg |
| Case Material | - | Aluminum, polycarbonate, glass-fibre |
| Colour | Black | Iron grey |
| DISPLAY | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Screen Size (Type) | 13.3" - IPS | 13.3" - IPS |
|---|---|---|
| Touchscreen | Yes | Yes (10-point multi-touch) |
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 165 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 200 cd/m² | 400 cd/m² |
| Colour Gamut | - | 72% NTSC |
| Features | Glossy, TrueLife, Wide Viewing Angle, ±85° horizontal viewing angle, ±85° vertical viewing angle, Narrow Border Display, 35 ms response rate, 0.1529 mm pixel pitch | Anti-glare, 72% NTSC colour gamut |
| PROCESSOR | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| CPU | Intel Core i7 (10th Gen) 10510U / 1.8 GHz | Intel Core i5 (10th Gen) 10210U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 4.2 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | 6 MB |
| 64-bit Computing | - | Yes |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | 2400 MHz |
| Rated Speed | 2133 MHz | 2400 MHz |
| STORAGE | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - HD | Yes - 720p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 74.9 degrees, RGB camera | Privacy shutter |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3254 | - |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Features | - | Dual stream (2x2) |
| BATTERY | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Technology | 4-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 60 Wh |
| Battery Life | - | Up to 20 hours |
| AC ADAPTER | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | 45 Watt |
| INPUT | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Type | Keyboard, digitizer, touchpad | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | - | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Interfaces | USB 3.1 Gen 1 USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) HDMI 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 |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Dell Inspiron 7391 2-in-1 | Lenovo Yoga C640-13IML (Lenovo Yoga C640) |
|---|
| Included Accessories | Power adapter | Power adapter, Lenovo Active Pen |
|---|---|---|
| Integrated Options | - | Accelerometer |
| Security | Fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Features | - | Administrator password, power-on password |
| Compliant Standards | - | RoHS |
| SAR Value | - | 0.32 W/kg (body), 0.32 W/kg (limb) |
| ENERGY STAR Certified | - | Yes |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | - | 13IML 81UE |
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