Realme 15 5G Smartphone vs Xiaomi Poco X8 Pro 512GB: which one suits you?

The two differ in 9 of the specs we have recorded, and the Realme 15 5G Smartphone is cheaper by SAR 1,519 (prices checked 12 Nov 2026).

Which one should you choose?

  • Paying less: cheaper by SAR 1,519
  • More space for photos and apps (512 GB vs 256 GB)
  • Bigger battery for a longer day (8,500 mAh vs 6,500 mAh)
  • Higher wired charging: 100 W vs 80 W

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

    256 GB✓ 512 GB
  • Screen size

    6.8 in6.77 in
  • Display type

    OLEDAMOLED

Specifications side by side

20 of 20 specs

Scroll the table sideways to see the rest.

Spec
realmeSAR 1,094
Realme 15 5G Smartphone specs
XiaomiSAR 2,613
Xiaomi Poco X8 Pro 512GB specs
Reference priceSAR 1,094SAR 2,613
Storage256 GB✓ 512 GB
ProcessorDimensity 7300Dimensity 8500
Battery capacity6,500 mAh✓ 8,500 mAh
Wired charging80 W✓ 100 W
Years of OS updates3 years✓ 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 Realme 15 5G Smartphone and the Xiaomi Poco X8 Pro 512GB?

Realme 15 5G Smartphone: Dimensity 7300; Xiaomi Poco X8 Pro 512GB: Dimensity 8500. This is a spec difference, not a verdict that one is better overall.

What is the difference in storage between the Realme 15 5G Smartphone and the Xiaomi Poco X8 Pro 512GB?

Storage is higher on the Xiaomi Poco X8 Pro 512GB: 512 GB vs 256 GB on the Realme 15 5G Smartphone. If this spec is your priority, the difference favours it.

What is the difference in main camera between the Realme 15 5G Smartphone 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 Realme 15 5G Smartphone and the Xiaomi Poco X8 Pro 512GB?

Battery capacity is higher on the Xiaomi Poco X8 Pro 512GB: 8,500 mAh vs 6,500 mAh on the Realme 15 5G Smartphone. If this spec is your priority, the difference favours it.