realme RMX 3780 256GB vs Honor X6c 128GB: which one suits you?

The two differ in 10 of the specs we have recorded, and the Honor X6c 128GB is cheaper by SAR 82 (prices checked 10 Nov 2026).

Which one should you choose?

  • More space for photos and apps (256 GB vs 128 GB)
  • More memory for multitasking (8 GB vs 6 GB)
  • Higher-resolution main camera (100 MP vs 50 MP)
  • Paying less: cheaper by SAR 82
  • Bigger battery for a longer day (5,300 mAh vs 5,000 mAh) · slight difference

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

    ✓ 256 GB128 GB
  • Memory (RAM)

    ✓ 8 GB6 GB
  • Screen size

    6.72 in6.61 in

Specifications side by side

18 of 18 specs

Scroll the table sideways to see the rest.

Spec
realmeSAR 781
realme RMX 3780 256GB specs
HonorSAR 699
Honor X6c 128GB specs
Reference priceSAR 781SAR 699
Storage✓ 256 GB128 GB
Memory (RAM)✓ 8 GB6 GB
Processor—Helio G81
Battery capacity5,000 mAh✓ 5,300 mAh
Wired charging—35 W
Main camera✓ 100 MP50 MP
5G✓ YesNo

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Direct comparison questions

What is the difference in storage between the realme RMX 3780 256GB and the Honor X6c 128GB?

Storage is higher on the realme RMX 3780 256GB: 256 GB vs 128 GB on the Honor X6c 128GB. If this spec is your priority, the difference favours it.

What is the difference in main camera between the realme RMX 3780 256GB and the Honor X6c 128GB?

Main camera is higher on the realme RMX 3780 256GB: 100 MP vs 50 MP on the Honor X6c 128GB. If this spec is your priority, the difference favours it.

What is the difference in battery capacity between the realme RMX 3780 256GB and the Honor X6c 128GB?

Battery capacity is higher on the Honor X6c 128GB: 5,300 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 realme RMX 3780 256GB and the Honor X6c 128GB?

Memory (RAM) is higher on the realme RMX 3780 256GB: 8 GB vs 6 GB on the Honor X6c 128GB. If this spec is your priority, the difference favours it.