realme C 100 128GB vs Infinix Smart 20 64GB: which one suits you?
The two differ in 6 of the specs we have recorded, and the Infinix Smart 20 64GB is cheaper by SAR 100 (prices checked 12 Nov 2026).
Which one should you choose?
Choose the
realme C 100 128GB if you care about:- More space for photos and apps (128 GB vs 64 GB)
- Bigger battery for a longer day (7,000 mAh vs 5,100 mAh)
- Higher-resolution main camera (50 MP vs 8 MP)
Choose the
Infinix Smart 20 64GB if you care about:- Paying less: cheaper by SAR 100
- Larger screen size: 17.22 in vs 6.8 in
The deciding difference here: storage and screen size and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Key differences
Storage
✓ 128 GB64 GBScreen size
6.8 in✓ 17.22 inResolution
720 x 15701440P
Specifications side by side
14 of 14 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 544 | SAR 444 |
| Storage | ✓ 128 GB | 64 GB |
| Processor | — | Helio G81 |
| Battery capacity | ✓ 7,000 mAh | 5,100 mAh |
| Wired charging | — | 15 W |
| Main camera | ✓ 50 MP | 8 MP |
| Memory (RAM) | 4 GB | 4 GB |
| Screen size | 6.8 in | ✓ 17.22 in |
| Resolution | 720 x 1570 | 1440P |
| Display type | LCD | LCD |
| Screen refresh rate | 120 Hz | 120 Hz |
| Operating system | Android 16, Realme UI 7.0 | Android 16 |
| Dimensions | — | 16.8 x 7.9 x 0.8 centimeters cm |
| Weight | — | 195 g |
| Release year | 2026 | 2026 |
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Before you buy
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Similar comparisons
Direct comparison questions
What is the difference in storage between the realme C 100 128GB and the Infinix Smart 20 64GB?
Storage is higher on the realme C 100 128GB: 128 GB vs 64 GB on the Infinix Smart 20 64GB. If this spec is your priority, the difference favours it.
What is the difference in main camera between the realme C 100 128GB and the Infinix Smart 20 64GB?
Main camera is higher on the realme C 100 128GB: 50 MP vs 8 MP on the Infinix Smart 20 64GB. If this spec is your priority, the difference favours it.
What is the difference in battery capacity between the realme C 100 128GB and the Infinix Smart 20 64GB?
Battery capacity is higher on the realme C 100 128GB: 7,000 mAh vs 5,100 mAh on the Infinix Smart 20 64GB. If this spec is your priority, the difference favours it.
What is the difference in memory (RAM) between the realme C 100 128GB and the Infinix Smart 20 64GB?
No difference here: memory (RAM) is 4 GB on both.