OnePlus 13s vs Xiaomi Poco X8 Pro Max 256GB: which one suits you?

The two differ in 9 of the specs we have recorded, and the Xiaomi Poco X8 Pro Max 256GB is cheaper by SAR 370 (prices checked 12 Nov 2026).

Which one should you choose?

  • More space for photos and apps (512 GB vs 256 GB)
  • Lower weight: 185 g vs 225 g
  • Paying less: cheaper by SAR 370
  • Bigger battery for a longer day (8,500 mAh vs 5,850 mAh)
  • Higher wired charging: 100 W vs 80 W
  • Larger screen size: 6.77 in vs 6.32 in · slight difference

The deciding difference here: storage and battery capacity and price.

Compares recorded specs; a missing spec does not mean the feature is absent.

Key differences

  • Storage

    ✓ 512 GB256 GB
  • Screen size

    6.32 in✓ 6.77 in
  • Resolution

    2640 x 12161280 x 2772

Specifications side by side

22 of 22 specs

Scroll the table sideways to see the rest.

Spec
OnePlusSAR 2,749
OnePlus 13s specs
XiaomiSAR 2,379
Xiaomi Poco X8 Pro Max 256GB specs
Reference priceSAR 2,749SAR 2,379
Storage✓ 512 GB256 GB
ProcessorSnapdragon 8 EliteDimensity 9500
Battery capacity5,850 mAh✓ 8,500 mAh
Wired charging80 W✓ 100 W
Years of OS updates—4 years
Memory (RAM)12 GB12 GB
Main camera50 MP50 MP
5GYesYes

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Direct comparison questions

What is the difference in processor between the OnePlus 13s and the Xiaomi Poco X8 Pro Max 256GB?

OnePlus 13s: Snapdragon 8 Elite; Xiaomi Poco X8 Pro Max 256GB: Dimensity 9500. This is a spec difference, not a verdict that one is better overall.

What is the difference in storage between the OnePlus 13s and the Xiaomi Poco X8 Pro Max 256GB?

Storage is higher on the OnePlus 13s: 512 GB vs 256 GB on the Xiaomi Poco X8 Pro Max 256GB. If this spec is your priority, the difference favours it.

What is the difference in main camera between the OnePlus 13s and the Xiaomi Poco X8 Pro Max 256GB?

No difference here: main camera is 50 MP on both.

What is the difference in battery capacity between the OnePlus 13s and the Xiaomi Poco X8 Pro Max 256GB?

Battery capacity is higher on the Xiaomi Poco X8 Pro Max 256GB: 8,500 mAh vs 5,850 mAh on the OnePlus 13s. If this spec is your priority, the difference favours it.