Side by side comparison and review of Dell XPS 15 9575 2-in-1 and Lenovo ThinkPad L390 Yoga (20NU). 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 ThinkPad L390 Yoga (20NU) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
flexible 2-in-1 design
comfortable keyboard
decent battery life
solid performance
heavier than competitors
dim display
limited graphics power
no thunderbolt support
| DESIGN AND DIMENSIONS | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad L390 Yoga (20NU) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 35.4 cm x 23.5 cm x 1.6 cm | 32.18 cm x 22.42 cm x 1.88 cm |
| Weight | 2 kg | 1.56 kg |
| Case Material | - | Glass-fibre reinforced plastic, magnesium-aluminum alloy |
| Colour | Silver | Black |
| DISPLAY | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad L390 Yoga (20NU) |
|---|
| 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% |
| Features | Anti-reflective, Infinity Edge display, ±89° horizontal viewing angle, ±89° vertical viewing angle, 0.17925 mm pixel pitch | Anti-reflective, capacitive touch screen, 170° viewing angle |
| PROCESSOR | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad L390 Yoga (20NU) |
|---|
| CPU | Intel Core i5 (8th Gen) 8305G / 2.8 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.8 GHz | 3.9 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 ThinkPad L390 Yoga (20NU) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | 2666 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 2 |
| Empty Slots | - | 1 |
| STORAGE | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad L390 Yoga (20NU) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) - Toshiba |
|---|
| AUDIO & VIDEO | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad L390 Yoga (20NU) |
|---|
| Graphics Processor (GPU) | AMD Radeon RX Vega 870 | Intel UHD Graphics 620 |
|---|---|---|
| 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 | Fixed focus |
| 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 | Realtek ALC3287 |
| Compliant Standards | Wave MAXXAudio Pro | High Definition Audio, Dolby Audio Premium |
| Audio Features | MaxxAudio | - |
| COMMUNICATIONS | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad L390 Yoga (20NU) |
|---|
| 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 | Intel Wireless-AC 9560 - M.2 Card |
| Features | - | Gigabit Ethernet via optional Ethernet (RJ-45) adapter |
| BATTERY | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad L390 Yoga (20NU) |
|---|
| Technology | 6-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 75 Wh | 45 Wh |
| Battery Life | - | Up to 12.17 hours |
| AC ADAPTER | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad L390 Yoga (20NU) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 20 V, 6.5 A | 65 Watt |
| INPUT | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad L390 Yoga (20NU) |
|---|
| Type | Keyboard, touchpad | Keyboard, digitizer, TrackPoint, digital pen, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Touchpad with gesture support | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad L390 Yoga (20NU) |
|---|
| 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 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) HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD) |
| SOFTWARE | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad L390 Yoga (20NU) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition |
|---|---|---|
| Software Included | Microsoft Office 2013 (Trial), McAfee (30 days trial) | - |
| MISCELLANEOUS | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad L390 Yoga (20NU) |
|---|
| Included Accessories | USB-C power adapter | ThinkPad Pen Pro, USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Noble Wedge security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Battery life Indicator, Dell Premium Active Pen magnets | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | - | RoHS |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Silver |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | Limited warranty - 15 months | - |
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