Redmi 15 4G vs Samsung Galaxy S26 Ultra
The Redmi 15 4G (2025) runs on the Qualcomm Snapdragon 685, while the Samsung Galaxy S26 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Samsung Galaxy S26 Ultra leads — 84/100 vs 43/100 (a 41-point difference). Key differences: the Redmi 15 4G has the bigger battery (7000 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Samsung Galaxy S26 Ultra is faster in AnTuTu (3,463,142 vs 476,175).
Profile comparison
Category scores
Redmi 15 4G
Samsung Galaxy S26 Ultra
What makes Redmi 15 4G better?
- Bigger battery: 7000 vs 5000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Overall rating 43/100
What makes Samsung Galaxy S26 Ultra better?
- Higher AnTuTu: 3463142 vs 476175
- Better Geekbench Single: 3601 vs 466
- Better Geekbench Multi: 10686 vs 1396
- Faster charging: 60W vs 33W
- Better main camera: 200MP vs 50MP
- Lighter: 214g vs 224g
- Higher performance (96/100 vs 34/100)
- Better camera (86/100 vs 30/100)
- Longer battery life (61/100 vs 58/100)
- Better display (88/100 vs 74/100)
- Better portability (51/100 vs 39/100)
Comparison verdict
Comparing the Redmi 15 4G vs the Samsung Galaxy S26 Ultra, the Samsung Galaxy S26 Ultra scores 41 points higher (84/100 vs 43/100). In the "performance" category, the Samsung Galaxy S26 Ultra leads (96/100 vs 34/100). In the "camera" category, the Samsung Galaxy S26 Ultra leads (86/100 vs 30/100). In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Redmi 15 4G (96/100 vs 34/100). In the "display" category, the Samsung Galaxy S26 Ultra is a bit better (88/100 vs 74/100). In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Redmi 15 4G (86/100 vs 30/100). In the "battery" category, the Samsung Galaxy S26 Ultra and the Redmi 15 4G are nearly equal (61/100 vs 58/100). In the "portability" category, the Samsung Galaxy S26 Ultra is a bit better (51/100 vs 39/100).
Specs comparison
| Specification | Redmi 15 4G | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 476175 | 3463142 | |
| Geekbench Single | 466 | 3601 | |
| Geekbench Multi | 1396 | 10686 | |
| Display | 6.9" IPS LCD | 6.9" Dynamic AMOLED 2X | |
| Resolution | 1080x2340 | 3120x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 33W | 60W | |
| Wireless charging | 0W | 25W | |
| DXOMark (camera) | — | 157 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 12 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15, HyperOS 2 | Android 16 / One UI 8.5 | |
| Brightness (peak) | — | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 171.1×82.1×8.6 mm | 163.6×78.1×7.9 mm | |
| Weight | 224 g | 214 g | |
| Launch price | — | $1299 |
Camera comparison
Redmi 15 4G
- Main: 50MP f/1.8
- Front: 8MP
Samsung Galaxy S26 Ultra
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Display comparison
Redmi 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
Samsung Galaxy S26 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
Redmi 15 4G
- 7000 mAh
- Wired: 33W
- No wireless charging
Samsung Galaxy S26 Ultra
- 5000 mAh
- NanoReview test: web browsing 10:12 hrs, total 28:50 hrs
- Wired: 60W
- Wireless: 25W
Overall performance score
We compared Redmi 15 4G and Samsung Galaxy S26 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S26 Ultra leads Redmi 15 4G by 86.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi 15 4G
Price unknownDetailed category analysis
performance
In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Redmi 15 4G (96/100 vs 34/100).
display
In the "display" category, the Samsung Galaxy S26 Ultra is a bit better (88/100 vs 74/100).
camera
In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Redmi 15 4G (86/100 vs 30/100).
battery
In the "battery" category, the Samsung Galaxy S26 Ultra and the Redmi 15 4G are nearly equal (61/100 vs 58/100).
portability
In the "portability" category, the Samsung Galaxy S26 Ultra is a bit better (51/100 vs 39/100).
Frequently asked questions
Which is better: the Redmi 15 4G or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra significantly outperforms the Redmi 15 4G by 41 points (84/100 vs 43/100).
What is the rating of the Redmi 15 4G and the Samsung Galaxy S26 Ultra?
The Redmi 15 4G has a MobileRank rating of 43/100, the Samsung Galaxy S26 Ultra — 84/100.
Which has the better camera: the Redmi 15 4G or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on camera score (86/100 vs 30/100).
Which is more powerful: the Redmi 15 4G or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on performance (96/100 vs 34/100).
Should you choose the Redmi 15 4G over the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, budget-conscious buyers.