
realme C 85 5G 256GB vs realme C 100 128GB: which one suits you?
The two differ in 6 of the specs we have recorded, and the realme C 100 128GB is cheaper by SAR 350 (prices checked 12 Nov 2026).
Which one should you choose?

Choose the
realme C 85 5G 256GB if you care about:- More space for photos and apps (256 GB vs 128 GB)
- More memory for multitasking (8 GB vs 4 GB)
- Larger screen refresh rate: 144 Hz vs 120 Hz

Choose the
realme C 100 128GB if you care about:- Paying less: cheaper by SAR 350
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 GBMemory (RAM)
✓ 8 GB4 GBDisplay type
IPS LCDLCD
Specifications side by side
Scroll the table sideways to see the rest.
| Spec | ![]() | ![]() |
|---|---|---|
| Reference price | SAR 894 | SAR 544 |
| Storage | ✓ 256 GB | 128 GB |
| Memory (RAM) | ✓ 8 GB | 4 GB |
| Processor | Dimensity 6300 | — |
| Wired charging | 45 W | — |
| 5G | Yes | — |
| Battery capacity | 7,000 mAh | 7,000 mAh |
| Main camera | 50 MP | 50 MP |
| Display type | IPS LCD | LCD |
| Screen refresh rate | ✓ 144 Hz | 120 Hz |
| Screen size | 6.8 in | 6.8 in |
| Resolution | 720 x 1570 | 720 x 1570 |
| Operating system | Android 15, Realme UI 6.0 | Android 16, Realme UI 7.0 |
| Release year | 2025 | 2026 |
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Before you buy
Prices, availability, shipping and returns can change. Check the final details on Amazon.sa before you buy.
Similar comparisons
Direct comparison questions
What is the difference in storage between the realme C 85 5G 256GB and the realme C 100 128GB?
Storage is higher on the realme C 85 5G 256GB: 256 GB vs 128 GB on the realme C 100 128GB. If this spec is your priority, the difference favours it.
What is the difference in main camera between the realme C 85 5G 256GB and the realme C 100 128GB?
No difference here: main camera is 50 MP on both.
What is the difference in battery capacity between the realme C 85 5G 256GB and the realme C 100 128GB?
No difference here: battery capacity is 7,000 mAh on both.
What is the difference in memory (RAM) between the realme C 85 5G 256GB and the realme C 100 128GB?
Memory (RAM) is higher on the realme C 85 5G 256GB: 8 GB vs 4 GB on the realme C 100 128GB. If this spec is your priority, the difference favours it.







