Xiaomi Redmi Note 15 256GB vs OPPO A6t 256GB: which one suits you?

The two differ in 9 of the specs we have recorded, and the OPPO A6t 256GB is cheaper by SAR 43 (prices checked 12 Nov 2026).

Which one should you choose?

  • More memory for multitasking (8 GB vs 6 GB)
  • Higher-resolution main camera (108 MP vs 50 MP)
  • Paying less: cheaper by SAR 43
  • Bigger battery for a longer day (6,500 mAh vs 5,520 mAh)

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

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

Key differences

  • Memory (RAM)

    ✓ 8 GB6 GB
  • Screen size

    6.77 in6.75 in
  • Display type

    AMOLEDLCD

Specifications side by side

15 of 15 specs

Scroll the table sideways to see the rest.

Spec
XiaomiSAR 990
Xiaomi Redmi Note 15 256GB specs
OPPOSAR 947
OPPO A6t 256GB specs
Reference priceSAR 990SAR 947
Memory (RAM)✓ 8 GB6 GB
ProcessorSnapdragon 6 Gen 3Dimensity 6300
Battery capacity5,520 mAh✓ 6,500 mAh
Main camera✓ 108 MP50 MP
Storage256 GB256 GB
5GYesYes

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Direct comparison questions

What is the difference in processor between the Xiaomi Redmi Note 15 256GB and the OPPO A6t 256GB?

Xiaomi Redmi Note 15 256GB: Snapdragon 6 Gen 3; OPPO A6t 256GB: Dimensity 6300. This is a spec difference, not a verdict that one is better overall.

What is the difference in storage between the Xiaomi Redmi Note 15 256GB and the OPPO A6t 256GB?

No difference here: storage is 256 GB on both.

What is the difference in main camera between the Xiaomi Redmi Note 15 256GB and the OPPO A6t 256GB?

Main camera is higher on the Xiaomi Redmi Note 15 256GB: 108 MP vs 50 MP on the OPPO A6t 256GB. If this spec is your priority, the difference favours it.

What is the difference in battery capacity between the Xiaomi Redmi Note 15 256GB and the OPPO A6t 256GB?

Battery capacity is higher on the OPPO A6t 256GB: 6,500 mAh vs 5,520 mAh on the Xiaomi Redmi Note 15 256GB. If this spec is your priority, the difference favours it.