Realme 12x vs Samsung Galaxy S25 Ultra
The Realme 12x (2024) runs on the MediaTek Dimensity 6100+, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 80/100 vs 41/100 (a 39-point difference). Key differences: the main camera is 50 MP vs 200 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 513,809); the Realme 12x is noticeably lighter (190g vs 218g).
Profile comparison
Category scores
Realme 12x
Samsung Galaxy S25 Ultra
What makes Realme 12x better?
- Lighter: 190g vs 218g
- Better portability (66/100 vs 46/100)
What makes Samsung Galaxy S25 Ultra better?
- Higher AnTuTu: 3128552 vs 513809
- Better Geekbench Single: 3100 vs 688
- Better Geekbench Multi: 9760 vs 1900
- Faster charging: 45W vs 15W
- Better main camera: 200MP vs 50MP
- Higher performance (92/100 vs 41/100)
- Better camera (81/100 vs 30/100)
- Longer battery life (56/100 vs 43/100)
- Better display (88/100 vs 55/100)
Comparison verdict
Comparing the Realme 12x vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 39 points higher (80/100 vs 41/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (92/100 vs 41/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 30/100). In the "battery" category, the Samsung Galaxy S25 Ultra leads (56/100 vs 43/100). In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Realme 12x (92/100 vs 41/100). In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Realme 12x (88/100 vs 55/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Realme 12x (81/100 vs 30/100). In the "battery" category, the Samsung Galaxy S25 Ultra is a bit better (56/100 vs 43/100). In the "portability" category, the Realme 12x notably outperforms the Samsung Galaxy S25 Ultra (66/100 vs 46/100).
Specs comparison
| Specification | Realme 12x | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6100+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 513809 | 3128552 | |
| Geekbench Single | 688 | 3100 | |
| Geekbench Multi | 1900 | 9760 | |
| Display | 6.7" IPS LCD | 6.9" Dynamic AMOLED 2X | |
| Resolution | 720x1604 | 3120x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | 5000 mAh | |
| Charging | 15W | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 12 MP | |
| RAM | 6GB / 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 14, Realme UI 5.0 | Android 15 / One UI 7 | |
| Brightness (peak) | 625 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 165.6×76.1×7.9 mm | 162.8×77.6×8.2 mm | |
| Weight | 190 g | 218 g | |
| Launch price | — | $1299 |
Camera comparison
Realme 12x
- Main: 50MP f/1.8
- Front: 8MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
Realme 12x
- 6.7" IPS LCD
- Resolution: 720x1604
- Refresh rate: 120 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
Realme 12x
- 5000 mAh
- Wired: 15W
- 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 Realme 12x and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S25 Ultra leads Realme 12x by 83.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme 12x
Price unknownDetailed category analysis
performance
In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Realme 12x (92/100 vs 41/100).
display
In the "display" category, the Samsung Galaxy S25 Ultra significantly outperforms the Realme 12x (88/100 vs 55/100).
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Realme 12x (81/100 vs 30/100).
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 Realme 12x notably outperforms the Samsung Galaxy S25 Ultra (66/100 vs 46/100).
Frequently asked questions
Which is better: the Realme 12x or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra significantly outperforms the Realme 12x by 39 points (80/100 vs 41/100).
What is the rating of the Realme 12x and the Samsung Galaxy S25 Ultra?
The Realme 12x has a MobileRank rating of 41/100, the Samsung Galaxy S25 Ultra — 80/100.
Which has the better camera: the Realme 12x or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 30/100).
Which is more powerful: the Realme 12x or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on performance (92/100 vs 41/100).
Should you choose the Realme 12x over the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.