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; launch prices were $80 and $1299. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 80/100 vs 21/100 (a 59-point difference). Key differences: the main camera is 8 MP vs 200 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 193,858); the Samsung Galaxy S25 Ultra has NFC for contactless payments, the Redmi A3X doesn't; the Redmi A3X is noticeably lighter (192g vs 218g).
Profile comparison
Category scores
Redmi A3X
Samsung Galaxy S25 Ultra
What makes Redmi A3X better?
- Lighter: 192g vs 218g
- Cheaper at launch: $80 vs $1299
- Better portability (61/100 vs 46/100)
What makes Samsung Galaxy S25 Ultra better?
- Higher AnTuTu: 3128552 vs 193858
- 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 (92/100 vs 11/100)
- Better camera (81/100 vs 10/100)
- Longer battery life (56/100 vs 43/100)
- Better display (88/100 vs 32/100)
Comparison verdict
Comparing the Redmi A3X vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 59 points higher (80/100 vs 21/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (92/100 vs 11/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 10/100). In the "battery" category, the Samsung Galaxy S25 Ultra leads (56/100 vs 43/100). Value score: Redmi A3X — 38/100, Samsung Galaxy S25 Ultra — 70/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X (92/100 vs 11/100). In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X (88/100 vs 32/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X (81/100 vs 10/100). In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (56/100 vs 43/100). In the "portability" category, the Redmi A3X notably outperforms the Samsung Galaxy S25 Ultra (61/100 vs 46/100).
Specs comparison
| Specification | Redmi A3X | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G36 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 193858 | 3128552 | |
| 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 | |
| Launch price | $80 | $1299 |
Camera comparison
Redmi A3X
- Main: 8MP
- Front: 5MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
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
Battery and charging
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
Overall performance score
We compared Redmi A3X and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads Redmi A3X by 93.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $1219. Redmi A3X was $1219 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X (92/100 vs 11/100).
display
In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X (88/100 vs 32/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X (81/100 vs 10/100).
battery
In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (56/100 vs 43/100).
portability
In the "portability" category, the Redmi A3X notably outperforms the Samsung Galaxy S25 Ultra (61/100 vs 46/100).
Frequently asked questions
Which is better: the Redmi A3X or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra significantly outperforms the Redmi A3X by 59 points (80/100 vs 21/100).
What is the rating of the Redmi A3X and the Samsung Galaxy S25 Ultra?
The Redmi A3X has a MobileRank rating of 21/100, the Samsung Galaxy S25 Ultra — 80/100.
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 10/100).
Which is more powerful: the Redmi A3X or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on performance (92/100 vs 11/100).
Should you choose the Redmi A3X over the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.