In depth comparison and review of Dell XPS 15 9575 2-in-1 and Lenovo ThinkPad X1 Yoga (4th Gen) (20QF). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
flexible 2-in-1 design
excellent keyboard comfort
impressive battery life
vivid display colors
higher price bracket
limited storage capacity
moderate graphics performance
no dedicated GPU
DESIGN AND DIMENSIONS | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) |
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Product Type | Notebook - flip design | Notebook - flip design |
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Dimensions (WxDxH) | 35.4 cm x 23.5 cm x 1.6 cm | 32.3 cm x 21.8 cm x 1.55 cm |
Weight | 2 kg | 1.36 kg |
Case Material | - | Aluminum, magnesium alloy |
Colour | Silver | Iron grey |
DISPLAY | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) |
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Screen Size (Type) | 15.6" - IPS | 14" - IPS |
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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 | 400 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 | Glossy, anti-reflective, anti-smudge, 170° viewing angle, Low Power |
PROCESSOR | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) |
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CPU | Intel Core i5 (8th Gen) 8305G / 2.8 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
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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 X1 Yoga (4th Gen) (20QF) |
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RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
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RAM Type | DDR4 SDRAM | LPDDR3 SDRAM |
Speed | 2400 MHz | 2133 MHz |
Rated Speed | 2400 MHz | 2133 MHz |
STORAGE | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) |
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Graphics Processor (GPU) | AMD Radeon RX Vega 870 | Intel UHD Graphics |
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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 | ThinkShutter camera privacy |
Video Resolutions | 1280 x 720 | - |
Frame Rate | 30 frames per second | - |
Sound | Stereo speakers, array microphone | Stereo speakers, quad array microphone |
Codec | Realtek ALC3271-CG | Realtek ALC1012L |
Compliant Standards | Wave MAXXAudio Pro | High Definition Audio, Dolby Atmos |
Audio Features | MaxxAudio | - |
COMMUNICATIONS | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, NFC, Bluetooth 5.0 |
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Wireless Controller | Killer Wireless-AC 1435 | Intel Wireless-AC 9560 - M.2 Card |
Network Interface | - | Gigabit Ethernet |
Ethernet Controller | - | Intel I219-V |
WWAN |
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Generation | - | 4G |
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Technology | - | LTE Advanced |
Controller | - | FIBOCOM L850-GL - M.2 Card |
BATTERY | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) |
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Technology | 6-cell Lithium Ion | Lithium Ion |
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Battery Capacity (Size) | 75 Wh | 51 Wh |
Battery Life | - | Up to 18.1 hours |
AC ADAPTER | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 130 Watt, 20 V, 6.5 A | 65 Watt |
INPUT | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) |
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Type | Keyboard, touchpad | Keyboard, digitizer, TrackPoint, digital pen, UltraNav |
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Keyboard Backlight | Yes | Yes |
Features | Touchpad with gesture support | Spill-resistant, multi-touch touchpad |
CONNECTIONS & EXPANSIONS | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) |
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Slots | - | 1 x Nano-SIM card (1 free) |
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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 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Lenovo Ethernet extension connector Headphone/microphone combo jack LAN (on supplied cable) Dock |
Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
SOFTWARE | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) |
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Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition - English |
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Software Included | Microsoft Office 2013 (Trial), McAfee (30 days trial) | - |
MISCELLANEOUS | Dell XPS 15 9575 2-in-1 | Lenovo ThinkPad X1 Yoga (4th Gen) (20QF) |
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Dockable | - | Yes |
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Included Accessories | USB-C power adapter | ThinkPad Pen Pro, USB-C power adapter, ThinkPad Ethernet Extension Cable Gen 2 |
Integrated Options | - | 3-axis gyro sensor, 3-axis accelerometer |
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 mini 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 |
Navigation Receiver | - | GPS |
Compliant Standards | - | RoHS |
SAR Value | - | 1.571 W/kg (body), 1.571 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 - 3 years - pick-up and return Limited warranty - battery - 1 year |