OPPO Reno 15 512GB vs Infinix Smart 20 128GB: which one suits you?
The two differ in 9 of the specs we have recorded, and the Infinix Smart 20 128GB is cheaper by SAR 2,085 (prices checked 12 Nov 2026).
Which one should you choose?
Choose the
OPPO Reno 15 512GB if you care about:- More space for photos and apps (512 GB vs 128 GB)
- More memory for multitasking (8 GB vs 4 GB)
- Bigger battery for a longer day (6,500 mAh vs 5,100 mAh)
- Paying less: cheaper by SAR 2,085
- Higher-resolution main camera (64 MP vs 50 MP)
The deciding difference here: storage and memory (RAM) and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Smartphones · Infinix
Infinix Smart 20 128GB- Storage:
- 128 GB
- Memory (RAM):
- 4 GB
- Reference price:
- SAR 512
Key differences
Storage
✓ 512 GB128 GBMemory (RAM)
✓ 8 GB4 GBScreen size
6.59 in6.78 in
Specifications side by side
19 of 19 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 2,597 | SAR 512 |
| Storage | ✓ 512 GB | 128 GB |
| Memory (RAM) | ✓ 8 GB | 4 GB |
| Processor | Snapdragon 7 Gen 4 | — |
| Battery capacity | ✓ 6,500 mAh | 5,100 mAh |
| Wired charging | 80 W | — |
| Main camera | 50 MP | ✓ 64 MP |
| 5G | Yes | — |
| Optical zoom (telephoto) | 3.5 x | — |
| Front camera | 50 MP | — |
| Screen size | 6.59 in | 6.78 in |
| Display type | AMOLED | LCD |
| Resolution | 1256 x 2760 | 2400 x 1080 |
| Screen refresh rate | — | 120 Hz |
| Dual SIM | Yes | — |
| Operating system | Android 16.0 | Android 16 |
| Release year | 2026 | 2024 |
| Dimensions | — | 16.8 x 7.9 x 0.8 centimeters cm |
| Weight | — | 195 g |
| Warranty | 1 years | — |
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Direct comparison questions
What is the difference in storage between the OPPO Reno 15 512GB and the Infinix Smart 20 128GB?
Storage is higher on the OPPO Reno 15 512GB: 512 GB vs 128 GB on the Infinix Smart 20 128GB. If this spec is your priority, the difference favours it.
What is the difference in main camera between the OPPO Reno 15 512GB and the Infinix Smart 20 128GB?
Main camera is higher on the Infinix Smart 20 128GB: 64 MP vs 50 MP on the OPPO Reno 15 512GB. If this spec is your priority, the difference favours it.
What is the difference in battery capacity between the OPPO Reno 15 512GB and the Infinix Smart 20 128GB?
Battery capacity is higher on the OPPO Reno 15 512GB: 6,500 mAh vs 5,100 mAh on the Infinix Smart 20 128GB. If this spec is your priority, the difference favours it.
What is the difference in memory (RAM) between the OPPO Reno 15 512GB and the Infinix Smart 20 128GB?
Memory (RAM) is higher on the OPPO Reno 15 512GB: 8 GB vs 4 GB on the Infinix Smart 20 128GB. If this spec is your priority, the difference favours it.