Samsung Galaxy S25 256GB vs Realme P4x 128GB: which one suits you?

The two differ in 12 of the specs we have recorded (prices checked 5 Nov 2026).

Which one should you choose?

  • More space for photos and apps (256 GB vs 128 GB)
  • More memory for multitasking (12 GB vs 4 GB)
  • Has wireless charging; the other doesn't
  • Larger screen refresh rate: 144 Hz vs 120 Hz
  • Bigger battery for a longer day (7,000 mAh vs 4,000 mAh)
  • Larger screen size: 6.8 in vs 6.2 in · slight difference

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

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

Key differences

  • Storage

    ✓ 256 GB128 GB
  • Memory (RAM)

    ✓ 12 GB4 GB
  • Screen size

    6.2 in✓ 6.8 in

Specifications side by side

21 of 21 specs

Scroll the table sideways to see the rest.

Spec
SamsungSAR 2,394
Samsung Galaxy S25 256GB specs
realmeSAR 2,375
Realme P4x 128GB specs
Reference priceSAR 2,394SAR 2,375
Storage✓ 256 GB128 GB
Memory (RAM)✓ 12 GB4 GB
ProcessorSnapdragon 8 EliteDimensity 7400
Battery capacity4,000 mAh✓ 7,000 mAh
Wired charging—45 W
5G—Yes
Main camera50 MP50 MP

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Similar comparisons

Direct comparison questions

What is the difference in processor between the Samsung Galaxy S25 256GB and the Realme P4x 128GB?

Samsung Galaxy S25 256GB: Snapdragon 8 Elite; Realme P4x 128GB: Dimensity 7400. This is a spec difference, not a verdict that one is better overall.

What is the difference in storage between the Samsung Galaxy S25 256GB and the Realme P4x 128GB?

Storage is higher on the Samsung Galaxy S25 256GB: 256 GB vs 128 GB on the Realme P4x 128GB. If this spec is your priority, the difference favours it.

What is the difference in main camera between the Samsung Galaxy S25 256GB and the Realme P4x 128GB?

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

What is the difference in battery capacity between the Samsung Galaxy S25 256GB and the Realme P4x 128GB?

Battery capacity is higher on the Realme P4x 128GB: 7,000 mAh vs 4,000 mAh on the Samsung Galaxy S25 256GB. If this spec is your priority, the difference favours it.