OPPO A6 256GB vs realme RMX 3780 256GB: which one suits you?

The two differ in 8 of the specs we have recorded, and the realme RMX 3780 256GB is cheaper by SAR 303 (prices checked 10 Nov 2026).

Which one should you choose?

  • Bigger battery for a longer day (7,000 mAh vs 5,000 mAh)
  • Paying less: cheaper by SAR 303
  • More memory for multitasking (8 GB vs 6 GB)
  • Higher-resolution main camera (100 MP vs 50 MP)
  • Higher warranty: 2 years vs 1 years

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)

    6 GB✓ 8 GB
  • Screen size

    6.75 in6.72 in
  • Display type

    IPS LCDLCD

Specifications side by side

18 of 18 specs

Scroll the table sideways to see the rest.

Spec
OPPOSAR 1,084
OPPO A6 256GB specs
realmeSAR 781
realme RMX 3780 256GB specs
Reference priceSAR 1,084SAR 781
Memory (RAM)6 GB✓ 8 GB
ProcessorSnapdragon 685—
Battery capacity✓ 7,000 mAh5,000 mAh
Wired charging45 W—
Main camera50 MP✓ 100 MP
5G—Yes
Storage256 GB256 GB

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Direct comparison questions

What is the difference in storage between the OPPO A6 256GB and the realme RMX 3780 256GB?

No difference here: storage is 256 GB on both.

What is the difference in main camera between the OPPO A6 256GB and the realme RMX 3780 256GB?

Main camera is higher on the realme RMX 3780 256GB: 100 MP vs 50 MP on the OPPO A6 256GB. If this spec is your priority, the difference favours it.

What is the difference in battery capacity between the OPPO A6 256GB and the realme RMX 3780 256GB?

Battery capacity is higher on the OPPO A6 256GB: 7,000 mAh vs 5,000 mAh on the realme RMX 3780 256GB. If this spec is your priority, the difference favours it.

What is the difference in memory (RAM) between the OPPO A6 256GB and the realme RMX 3780 256GB?

Memory (RAM) is higher on the realme RMX 3780 256GB: 8 GB vs 6 GB on the OPPO A6 256GB. If this spec is your priority, the difference favours it.