Redmi A3X vs Samsung Galaxy S25 Ultra
The Redmi A3X (2025) runs on the MediaTek Helio G36, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $80 and $1299. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 66/100 vs 13/100 (a 53-point difference). Key differences: the main camera is 8 MP vs 200 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (2,800,202 vs 195,539); the Samsung Galaxy S25 Ultra has NFC for contactless payments, the Redmi A3X doesn't; the Redmi A3X is noticeably lighter (192g vs 218g).
Redmi A3X
Samsung Galaxy S25 Ultra
- Lighter: 192g vs 218g
- Cheaper: $80 vs $1299
- Better design/ergonomics (60/100 vs 27/100)
- Better value for money (100/100 vs 20/100)
- Higher AnTuTu: 2800202 vs 195539
- Better Geekbench Single: 3100 vs 189
- Better Geekbench Multi: 9760 vs 781
- Faster charging: 45W vs 10W
- Better main camera: 200MP vs 8MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (67/100 vs 0/100)
- Better camera (81/100 vs 0/100)
- Longer battery life (45/100 vs 36/100)
- Better display (100/100 vs 0/100)
Comparing the Redmi A3X vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 53 points higher (66/100 vs 13/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (67/100 vs 0/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 0/100). In the "value for money" category, the Redmi A3X leads (100/100 vs 20/100). In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X (67/100 vs 0/100). In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X (100/100 vs 0/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X (81/100 vs 0/100). In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (45/100 vs 36/100). In the "design" category, the Redmi A3X significantly outperforms the Samsung Galaxy S25 Ultra (60/100 vs 27/100). In the "value for money" category, the Redmi A3X significantly outperforms the Samsung Galaxy S25 Ultra (100/100 vs 20/100).
| Specification | Redmi A3X | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G36 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 195539 | 2800202 | |
| Geekbench Single | 189 | 3100 | |
| Geekbench Multi | 781 | 9760 | |
| Display | 6.7" IPS LCD | 6.9" Dynamic AMOLED 2X | |
| Resolution | 720x1650 | 3120x1440 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 5000 mAh | 5000 mAh | |
| Charging | 10W | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 8 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 12 MP | |
| RAM | 2GB / 3GB | 12GB / 16GB | |
| Storage | 32GB / 64GB | 256GB / 512GB / 1TB | |
| OS | Android 14, up to 2 major Android upgrades, MIUI | Android 15 / One UI 7 | |
| Brightness (peak) | 500 nits | 2600 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 168.4×76.3×8.3 mm | 162.8×77.6×8.2 mm | |
| Weight | 192 g | 218 g | |
| Price | $80 | $1299 |
Redmi A3X
- Main: 8MP
- Front: 5MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Redmi A3X
- 6.7" IPS LCD
- Resolution: 720x1650
- Refresh rate: 60 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Redmi A3X
- 5000 mAh
- Wired: 10W
- No wireless charging
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
We compared Redmi A3X and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads Redmi A3X by 93.0% in our overall performance rating.
Price difference: $1219. Redmi A3X is cheaper by $1219.
performance
In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X (67/100 vs 0/100).
display
In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X (100/100 vs 0/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X (81/100 vs 0/100).
battery
In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (45/100 vs 36/100).
design
In the "design" category, the Redmi A3X significantly outperforms the Samsung Galaxy S25 Ultra (60/100 vs 27/100).
value for money
In the "value for money" category, the Redmi A3X significantly outperforms the Samsung Galaxy S25 Ultra (100/100 vs 20/100).
Which is better: the Redmi A3X or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X by 53 points (66/100 vs 13/100).
What is the rating of the Redmi A3X and the Samsung Galaxy S25 Ultra?
The Redmi A3X has a MobileRank rating of 13/100, the Samsung Galaxy S25 Ultra — 66/100.
Which has the better camera: the Redmi A3X or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 0/100).
Which is more powerful: the Redmi A3X or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on performance (67/100 vs 0/100).
Should you choose the Redmi A3X over the Samsung Galaxy S25 Ultra?
The Redmi A3X is a better fit for budget-conscious buyers. The Samsung Galaxy S25 Ultra is a better fit for active users, mobile photography enthusiasts.