Comparing the Dell XPS 15 9520 FHD+ model against the UHD+ model no longer tells the whole story because the XPS 15 9520 also has a third display option: a 3.5K OLED screen. It hits about 400...

Provides data transfer rates up to 10 Gbps for USB 3.1 Gen 2 and up to 40 Gbps for Thunderbolt 3. Connect a headphone, a microphone, or a headset (headphone and microphone combo). Reads from and writes to media cards. Connect peripherals such as storage devices, printers, and so on. Provides data transfer speeds up to 5 Gbps.

When open, the XPS 15's OLED display offers an edge-to-edge picture with exceptionally narrow bezels surrounding it. The 16:10-aspect-ratio panel offers 3,456-by-2,160-pixel resolution, which...

On the other hand, the 3,456x2,160 OLED option in the XPS 15 is locked to a 60Hz refresh rate, while gamers are increasingly demanding higher refresh rates.

The Studio does have the edge in screen refresh rates though, with 120 Hz to the XPS 15's 60 Hz.