Side by side comparison and review of Dell XPS 15 9575 2-in-1 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 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 | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 35.4 cm x 23.5 cm x 1.6 cm | 30.6 cm x 20.448 cm x 1.695 cm |
| Weight | 2 kg | 1.35 kg |
| Case Material | - | Aluminum, polycarbonate, glass-fibre |
| Colour | Silver | Iron grey |
| DISPLAY | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Screen Size (Type) | 15.6" - 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) |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 400 cd/m² | 300 cd/m² |
| Colour Gamut | 100% Adobe RGB | 72% NTSC |
| Features | Anti-reflective, Infinity Edge display, ±89° horizontal viewing angle, ±89° vertical viewing angle, 0.17925 mm pixel pitch | Anti-glare |
| PROCESSOR | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| CPU | Intel Core i5 (8th Gen) 8305G / 2.8 GHz | Intel Core i5 (10th Gen) 10210U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.8 GHz | 4.2 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel QM175 | - |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | 2400 MHz |
| STORAGE | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Graphics Processor (GPU) | AMD Radeon RX Vega 870 | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Max Monitors Supported | - | 1 external monitor(s) |
| Video Memory | 4 GB HBM2 | - |
| Camera | Yes - 1280 x 720 (standard), 340 x 340 (infrared) | Yes - 720p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 720p HD movie recording, IR camera, Windows Hello, 2 x infrared emitters | Privacy shutter |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3271-CG | - |
| Compliant Standards | Wave MAXXAudio Pro | High Definition Audio, Dolby Atmos |
| Audio Features | MaxxAudio | - |
| COMMUNICATIONS | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Killer Wireless-AC 1435 | M.2 Card |
| Features | - | Dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G |
|---|---|---|
| Technology | - | LTE Advanced |
| Controller | - | FIBOCOM L850-GL - M.2 Card |
| BATTERY | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Technology | 6-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 75 Wh | 60 Wh |
| Battery Life | - | Up to 22 hours |
| AC ADAPTER | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 20 V, 6.5 A | 45 Watt |
| INPUT | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Type | Keyboard, touchpad | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Touchpad with gesture support | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | 2 x USB-C 3.1 Gen 1 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) 2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) 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 | Yes (microSD, microSDHC, microSDXC) | - |
| SOFTWARE | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office 2013 (Trial), McAfee (30 days trial) | Microsoft Office 365 Personal |
| MISCELLANEOUS | Dell XPS 15 9575 2-in-1 | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) |
|---|
| Included Accessories | USB-C power adapter | Power adapter, Lenovo Digital Pen |
|---|---|---|
| Integrated Options | - | Proximity sensor, G-sensor |
| Security | Trusted Platform Module (TPM) Security Chip, fingerprint reader | Fingerprint reader |
| Security Slot Type | Noble Wedge security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Battery life Indicator, Dell Premium Active Pen magnets | Administrator password, hard drive password, power-on password |
| Navigation Receiver | - | GPS |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 1.4 W/kg (body), 1.4 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 - 15 months | Limited warranty - 1 year - pick-up and return |
| Model Number | - | 13IML LTE 81XL |
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