Realme GT 6 512GB vs Samsung Galaxy S25 128GB: which one suits you?
The two differ in 12 of the specs we have recorded, and the Samsung Galaxy S25 128GB is cheaper by SAR 450 (prices checked 4 Nov 2026).
Which one should you choose?
Choose the
Realme GT 6 512GB if you care about:- More space for photos and apps (512 GB vs 128 GB)
- More memory for multitasking (16 GB vs 12 GB)
- Bigger battery for a longer day (5,500 mAh vs 4,000 mAh)
- Paying less: cheaper by SAR 450
- Higher optical zoom (telephoto): 3 x vs 2 x
- Lower weight: 190 g vs 200 g · 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.
Smartphones · Samsung
Samsung Galaxy S25 128GB- Storage:
- 128 GB
- Memory (RAM):
- 12 GB
- Reference price:
- SAR 4,405
Key differences
Storage
✓ 512 GB128 GBMemory (RAM)
✓ 16 GB12 GBScreen size
✓ 6.78 in6.2 in
Specifications side by side
21 of 21 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 4,855 | SAR 4,405 |
| Storage | ✓ 512 GB | 128 GB |
| Memory (RAM) | ✓ 16 GB | 12 GB |
| Processor | Snapdragon 8s Gen 3 | Snapdragon 8 Elite |
| Battery capacity | ✓ 5,500 mAh | 4,000 mAh |
| Wired charging | 120 W | — |
| Main camera | 50 MP | 50 MP |
| 5G | Yes | Yes |
| Optical zoom (telephoto) | 2 x | ✓ 3 x |
| Front camera | ✓ 32 MP | 12 MP |
| Screen size | ✓ 6.78 in | 6.2 in |
| Display type | LTPO AMOLED | Dynamic LTPO AMOLED 2X |
| Resolution | 2780 x 1264 | 2340 x 1080 |
| Screen refresh rate | 120 Hz | — |
| Wireless charging | No | — |
| Water and dust rating | IP65 | — |
| Operating system | Android 14 | Android 15 |
| Dual SIM | Yes | Yes |
| Release year | 2024 | 2025 |
| Colour | — | Silver |
| Weight | 200 g | ✓ 190 g |
| Warranty | 1 years | 1 years |
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Direct comparison questions
What is the difference in processor between the Realme GT 6 512GB and the Samsung Galaxy S25 128GB?
Realme GT 6 512GB: Snapdragon 8s Gen 3; Samsung Galaxy S25 128GB: Snapdragon 8 Elite. This is a spec difference, not a verdict that one is better overall.
What is the difference in storage between the Realme GT 6 512GB and the Samsung Galaxy S25 128GB?
Storage is higher on the Realme GT 6 512GB: 512 GB vs 128 GB on the Samsung Galaxy S25 128GB. If this spec is your priority, the difference favours it.
What is the difference in main camera between the Realme GT 6 512GB and the Samsung Galaxy S25 128GB?
No difference here: main camera is 50 MP on both.
What is the difference in battery capacity between the Realme GT 6 512GB and the Samsung Galaxy S25 128GB?
Battery capacity is higher on the Realme GT 6 512GB: 5,500 mAh vs 4,000 mAh on the Samsung Galaxy S25 128GB. If this spec is your priority, the difference favours it.