
realme RMX 3780 256GB vs Tecno Spark 40 (5G) 256GB 8GB Ram Ink Black: which one suits you?
The two differ in 7 of the specs we have recorded, and the Tecno Spark 40 (5G) 256GB 8GB Ram Ink Black is cheaper by SAR 82 (prices checked 12 Nov 2026).
Which one should you choose?

Choose the
realme RMX 3780 256GB if you care about:- Higher-resolution main camera (100 MP vs 50 MP)
- Paying less: cheaper by SAR 82
- Bigger battery for a longer day (6,000 mAh vs 5,000 mAh)
The deciding difference here: battery capacity and main camera and price.
Compares recorded specs; a missing spec does not mean the feature is absent.


Smartphones
Tecno Spark 40 (5G) 256GB 8GB Ram Ink Black- Storage:
- 256 GB
- Memory (RAM):
- 8 GB
- Reference price:
- SAR 699
Key differences
Screen size
6.72 in6.75 inDisplay type
LCDAMOLEDResolution
1080 x 2400720 x 1600
Specifications side by side
Scroll the table sideways to see the rest.
| Spec | ![]() | ![]() |
|---|---|---|
| Reference price | SAR 781 | SAR 699 |
| Processor | — | Dimensity 6400 |
| Battery capacity | 5,000 mAh | ✓ 6,000 mAh |
| Wired charging | — | 18 W |
| Main camera | ✓ 100 MP | 50 MP |
| Storage | 256 GB | 256 GB |
| Memory (RAM) | 8 GB | 8 GB |
| 5G | Yes | Yes |
| Screen size | 6.72 in | 6.75 in |
| Display type | LCD | AMOLED |
| Resolution | 1080 x 2400 | 720 x 1600 |
| Screen refresh rate | 120 Hz | 120 Hz |
| Operating system | Android 13.0 | Android 15 |
| Release year | 2023 | — |
| Colour | — | Black |
| Weight | 190 g | — |
| Warranty | 2 years | — |
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Direct comparison questions
What is the difference in storage between the realme RMX 3780 256GB and the Tecno Spark 40 (5G) 256GB 8GB Ram Ink Black?
No difference here: storage is 256 GB on both.
What is the difference in main camera between the realme RMX 3780 256GB and the Tecno Spark 40 (5G) 256GB 8GB Ram Ink Black?
Main camera is higher on the realme RMX 3780 256GB: 100 MP vs 50 MP on the Tecno Spark 40 (5G) 256GB 8GB Ram Ink Black. 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 Tecno Spark 40 (5G) 256GB 8GB Ram Ink Black?
Battery capacity is higher on the Tecno Spark 40 (5G) 256GB 8GB Ram Ink Black: 6,000 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 realme RMX 3780 256GB and the Tecno Spark 40 (5G) 256GB 8GB Ram Ink Black?
No difference here: memory (RAM) is 8 GB on both.
