Xiaomi Redmi Note 9 512GB vs Samsung Galaxy A57 5G 256GB: which one suits you?

The two differ in 11 of the specs we have recorded, and the Xiaomi Redmi Note 9 512GB is cheaper by SAR 240 (prices checked 3 Nov 2026).

Which one should you choose?

  • Paying less: cheaper by SAR 240
  • More space for photos and apps (512 GB vs 256 GB)
  • Higher front camera: 13 MP vs 12 MP · slight difference
  • More memory for multitasking (12 GB vs 3 GB)
  • Has 5G; the other doesn't

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

    ✓ 512 GB256 GB
  • Memory (RAM)

    3 GB✓ 12 GB
  • Screen size

    6.53 in6.7 in

Specifications side by side

21 of 21 specs

Scroll the table sideways to see the rest.

Spec
XiaomiSAR 1,759
Xiaomi Redmi Note 9 512GB specs
SamsungSAR 1,999
Samsung Galaxy A57 5G 256GB specs
Reference priceSAR 1,759SAR 1,999
Storage✓ 512 GB256 GB
Memory (RAM)3 GB✓ 12 GB
ProcessorHelio G85Exynos 1680
Battery capacity5,020 mAh5,000 mAh
Wired charging18 W—
Main camera48 MP50 MP
5GNo✓ Yes
Years of OS updates—6 years

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Direct comparison questions

What is the difference in processor between the Xiaomi Redmi Note 9 512GB and the Samsung Galaxy A57 5G 256GB?

Xiaomi Redmi Note 9 512GB: Helio G85; Samsung Galaxy A57 5G 256GB: Exynos 1680. This is a spec difference, not a verdict that one is better overall.

What is the difference in storage between the Xiaomi Redmi Note 9 512GB and the Samsung Galaxy A57 5G 256GB?

Storage is higher on the Xiaomi Redmi Note 9 512GB: 512 GB vs 256 GB on the Samsung Galaxy A57 5G 256GB. If this spec is your priority, the difference favours it.

What is the difference in main camera between the Xiaomi Redmi Note 9 512GB and the Samsung Galaxy A57 5G 256GB?

Main camera is higher on the Samsung Galaxy A57 5G 256GB: 50 MP vs 48 MP on the Xiaomi Redmi Note 9 512GB. If this spec is your priority, the difference favours it.

What is the difference in battery capacity between the Xiaomi Redmi Note 9 512GB and the Samsung Galaxy A57 5G 256GB?

Battery capacity is higher on the Xiaomi Redmi Note 9 512GB: 5,020 mAh vs 5,000 mAh on the Samsung Galaxy A57 5G 256GB. If this spec is your priority, the difference favours it.