Xiaomi Redmi Note 15 Pro 5G 256GB vs vivo Y 31 S 256GB: which one suits you?

The two differ in 4 of the specs we have recorded, and the vivo Y 31 S 256GB is cheaper by SAR 80 (prices checked 12 Nov 2026).

Which one should you choose?

  • More memory for multitasking (12 GB vs 8 GB)
  • Paying less: cheaper by SAR 80
  • Larger screen size: 17.06 in vs 6.83 in

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

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

Key differences

  • Memory (RAM)

    ✓ 12 GB8 GB
  • Screen size

    6.83 in✓ 17.06 in
  • Display type

    AMOLEDLCD

Specifications side by side

21 of 21 specs

Scroll the table sideways to see the rest.

Spec
XiaomiSAR 1,299
Xiaomi Redmi Note 15 Pro 5G 256GB specs
vivoSAR 1,219
vivo Y 31 S 256GB specs
Reference priceSAR 1,299SAR 1,219
Memory (RAM)✓ 12 GB8 GB
ProcessorMediatek Dimensity 7400—
Wired charging100 W—
Main camera200 MP—
Years of OS updates4 years—
Storage256 GB256 GB
Battery capacity6,500 mAh6,500 mAh
5GYesYes

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Direct comparison questions

What is the difference in storage between the Xiaomi Redmi Note 15 Pro 5G 256GB and the vivo Y 31 S 256GB?

No difference here: storage is 256 GB on both.

What is the difference in battery capacity between the Xiaomi Redmi Note 15 Pro 5G 256GB and the vivo Y 31 S 256GB?

No difference here: battery capacity is 6,500 mAh on both.

What is the difference in memory (RAM) between the Xiaomi Redmi Note 15 Pro 5G 256GB and the vivo Y 31 S 256GB?

Memory (RAM) is higher on the Xiaomi Redmi Note 15 Pro 5G 256GB: 12 GB vs 8 GB on the vivo Y 31 S 256GB. If this spec is your priority, the difference favours it.

What is the difference in screen size between the Xiaomi Redmi Note 15 Pro 5G 256GB and the vivo Y 31 S 256GB?

Screen size is higher on the vivo Y 31 S 256GB: 17.06 in vs 6.83 in on the Xiaomi Redmi Note 15 Pro 5G 256GB. If this spec is your priority, the difference favours it.