Xiaomi Poco X8 Pro Max 256GB vs Xiaomi Poco x8 Pro 512GB: which one suits you?

The two differ in 8 of the specs we have recorded, and the Xiaomi Poco x8 Pro 512GB is cheaper by SAR 824 (prices checked 12 Nov 2026).

Which one should you choose?

  • More memory for multitasking (12 GB vs 8 GB)
  • Bigger battery for a longer day (8,500 mAh vs 6,500 mAh)
  • Paying less: cheaper by SAR 824
  • More space for photos and apps (512 GB vs 256 GB)
  • Higher warranty: 2 years vs 1 years
  • Lower weight: 201.47 g vs 225 g · slight difference

The deciding difference here: storage and memory (RAM) and price.

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

Key differences

  • Storage

    256 GB✓ 512 GB
  • Memory (RAM)

    ✓ 12 GB8 GB
  • Screen size

    6.77 in6.59 in

Specifications side by side

22 of 22 specs

Scroll the table sideways to see the rest.

Spec
XiaomiSAR 2,379
Xiaomi Poco X8 Pro Max 256GB specs
XiaomiSAR 1,555
Xiaomi Poco x8 Pro 512GB specs
Reference priceSAR 2,379SAR 1,555
Storage256 GB✓ 512 GB
Memory (RAM)✓ 12 GB8 GB
ProcessorDimensity 9500—
Battery capacity✓ 8,500 mAh6,500 mAh
Years of OS updates4 years—
Wired charging100 W100 W
Main camera50 MP50 MP
5GYesYes

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Direct comparison questions

What is the difference in storage between the Xiaomi Poco X8 Pro Max 256GB and the Xiaomi Poco x8 Pro 512GB?

Storage is higher on the Xiaomi Poco x8 Pro 512GB: 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 Xiaomi Poco X8 Pro Max 256GB and the Xiaomi Poco x8 Pro 512GB?

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

What is the difference in battery capacity between the Xiaomi Poco X8 Pro Max 256GB and the Xiaomi Poco x8 Pro 512GB?

Battery capacity is higher on the Xiaomi Poco X8 Pro Max 256GB: 8,500 mAh vs 6,500 mAh on the Xiaomi Poco x8 Pro 512GB. If this spec is your priority, the difference favours it.

What is the difference in wired charging between the Xiaomi Poco X8 Pro Max 256GB and the Xiaomi Poco x8 Pro 512GB?

No difference here: wired charging is 100 W on both.