$1300 Dell XPS 15 9500 vs. $2300 XPS 15 9500: Here is everything the higher-end option will get you - NotebookCheck.net News
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Dell XPS 15 Review (2021): OLED Screen, Upgraded Processors | WIRED
Dell XPS 15 (9520) review: Still the best, only faster | Digital Trends
Dell XPS 15: Battery Life - Dell XPS 15 Haswell Edition: QHD+ with a Refined Design
The new Dell XPS 15's battery is rated for 300 cycles, and apparently that's ok - NotebookCheck.net News
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Battery Life: Better than the L501x - Dell XPS 15 L502x: Now with Sandy Bridge
Mini-review: Dell's XPS 15 9520 is a low-key improvement to an established design | Ars Technica
Dell XPS 15 (9500) Review | PCMag
Dell XPS 15 review (2022): Still the best 15-inch Windows laptop | Engadget
Dell XPS 15 OLED (9520) Review | PCMag
Dell XPS 15 9575 Battery Replacement - iFixit Repair Guide
Dell XPS 15 9510 (2021) Review - Reviewed
Dell XPS 15 9570 Review: A 6-core Core i7 makes it all worthwhile | PCWorld
Dell XPS 15 9510 OLED Review: The Best Keeps Getting Better | Digital Trends
Battery life tips XPS 15 & XPS 13 - YouTube
Dell XPS 15 Review (2021): OLED Screen, Upgraded Processors | WIRED
Dell XPS 15 9510 review: Come for the screen, stay for everything else | Ars Technica
Dell XPS 15 (9520) review: Still the best, only faster | Digital Trends
Battery Life and Charge Time - The Dell XPS 15 9560 Review: Infinity Edge Part Two
