Redmi 15 vs Samsung Galaxy S26 Ultra
The Redmi 15 (2026) runs on the Qualcomm Snapdragon 685, while the Samsung Galaxy S26 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $180 and $1299. By overall MobileRank rating, the Samsung Galaxy S26 Ultra leads — 84/100 vs 45/100 (a 39-point difference). Key differences: the Redmi 15 has the bigger battery (5500 mAh vs 5000); the main camera is 108 MP vs 200 MP; the Samsung Galaxy S26 Ultra is faster in AnTuTu (3,515,964 vs 467,392); the Redmi 15 is noticeably lighter (195g vs 214g).
Redmi 15
Samsung Galaxy S26 Ultra
- Bigger battery: 5500 vs 5000 mAh
- Lighter: 195g vs 214g
- Cheaper at launch: $180 vs $1299
- Better portability (57/100 vs 51/100)
- Higher AnTuTu: 3515964 vs 467392
- Better Geekbench Single: 3601 vs 466
- Better Geekbench Multi: 10686 vs 1396
- Faster charging: 60W vs 33W
- Better main camera: 200MP vs 108MP
- Higher performance (96/100 vs 33/100)
- Better camera (86/100 vs 40/100)
- Longer battery life (61/100 vs 52/100)
- Better display (88/100 vs 78/100)
Comparing the Redmi 15 vs the Samsung Galaxy S26 Ultra, the Samsung Galaxy S26 Ultra scores 39 points higher (84/100 vs 45/100). In the "performance" category, the Samsung Galaxy S26 Ultra leads (96/100 vs 33/100). In the "camera" category, the Samsung Galaxy S26 Ultra leads (86/100 vs 40/100). Value score: Redmi 15 — 58/100, Samsung Galaxy S26 Ultra — 76/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Redmi 15 (96/100 vs 33/100). In the "display" category, the Samsung Galaxy S26 Ultra is a bit better (88/100 vs 78/100). In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Redmi 15 (86/100 vs 40/100). In the "battery" category, the Samsung Galaxy S26 Ultra is a bit better (61/100 vs 52/100). In the "portability" category, the Redmi 15 is a bit better (57/100 vs 51/100).
| Specification | Redmi 15 | Samsung Galaxy S26 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 467392 | 3515964 | |
| Geekbench Single | 466 | 3601 | |
| Geekbench Multi | 1396 | 10686 | |
| Display | 6.8" AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | 1080x2340 | 3120x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5500 mAh | 5000 mAh | |
| Charging | 33W | 60W | |
| Wireless charging | 0W | 25W | |
| DXOMark (camera) | — | 157 | |
| Main camera | 108 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 13 MP | 12 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15, HyperOS 2.2 | Android 16 / One UI 8.5 | |
| Brightness (peak) | 850 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 169.5×80.5×8.4 mm | 163.6×78.1×7.9 mm | |
| Weight | 195 g | 214 g | |
| Launch price | $180 | $1299 |
Redmi 15
- Main: 108MP
- Front: 13MP
Samsung Galaxy S26 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Redmi 15
- 6.8" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Samsung Galaxy S26 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Redmi 15
- 5500 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
We compared Redmi 15 and Samsung Galaxy S26 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy S26 Ultra leads Redmi 15 by 86.7% in our overall performance rating.
Launch price difference: $1119. Redmi 15 was $1119 cheaper at launch.
performance
In the "performance" category, the Samsung Galaxy S26 Ultra significantly outperforms the Redmi 15 (96/100 vs 33/100).
display
In the "display" category, the Samsung Galaxy S26 Ultra is a bit better (88/100 vs 78/100).
camera
In the "camera" category, the Samsung Galaxy S26 Ultra significantly outperforms the Redmi 15 (86/100 vs 40/100).
battery
In the "battery" category, the Samsung Galaxy S26 Ultra is a bit better (61/100 vs 52/100).
portability
In the "portability" category, the Redmi 15 is a bit better (57/100 vs 51/100).
Which is better: the Redmi 15 or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra significantly outperforms the Redmi 15 by 39 points (84/100 vs 45/100).
What is the rating of the Redmi 15 and the Samsung Galaxy S26 Ultra?
The Redmi 15 has a MobileRank rating of 45/100, the Samsung Galaxy S26 Ultra — 84/100.
Which has the better camera: the Redmi 15 or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on camera score (86/100 vs 40/100).
Which is more powerful: the Redmi 15 or the Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra leads on performance (96/100 vs 33/100).
Should you choose the Redmi 15 over the Samsung Galaxy S26 Ultra?
The Redmi 15 is a better fit for everyday use. The Samsung Galaxy S26 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, budget-conscious buyers.