Realme 15T vs Redmi K90 Ultra
The Realme 15T (2026) runs on the MediaTek Dimensity 7300, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $250 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 54/100 (a 19-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7000); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 877,641); the Redmi K90 Ultra has NFC for contactless payments, the Realme 15T doesn't; the Realme 15T is noticeably lighter (210g vs 227g).
Realme 15T
Redmi K90 Ultra
- Lighter: 210g vs 227g
- Cheaper at launch: $250 vs $420
- Better portability (55/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 877641
- Better Geekbench Single: 3041 vs 1011
- Better Geekbench Multi: 9494 vs 2813
- Bigger battery: 8550 vs 7000 mAh
- Faster charging: 100W vs 60W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 55/100)
- Better camera (37/100 vs 32/100)
- Longer battery life (78/100 vs 63/100)
- Better display (94/100 vs 79/100)
Comparing the Realme 15T vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 19 points higher (73/100 vs 54/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 55/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 63/100). Value score: Realme 15T — 60/100, Redmi K90 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Realme 15T (92/100 vs 55/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Realme 15T (94/100 vs 79/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Realme 15T (78/100 vs 63/100). In the "portability" category, the Realme 15T notably outperforms the Redmi K90 Ultra (55/100 vs 40/100).
| Specification | Realme 15T | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 7300 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 877641 | 3119308 | |
| Geekbench Single | 1011 | 3041 | |
| Geekbench Multi | 2813 | 9494 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2372 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 7000 mAh | 8550 mAh | |
| Charging | 60W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 15, up to 3 major Android upgrades, Realme UI 6.0 | Android 16 | |
| Brightness (peak) | 4000 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 158.4×75.2×7.8 mm | 162.9×77.9×8.2 mm | |
| Weight | 210 g | 227 g | |
| Launch price | $250 | $420 |
Realme 15T
- Main: 50MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Realme 15T
- 6.8" AMOLED
- Resolution: 1080x2372
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Realme 15T
- 7000 mAh
- Wired: 60W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Realme 15T and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Realme 15T by 71.9% in our overall performance rating.
Launch price difference: $170. Realme 15T was $170 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Realme 15T (92/100 vs 55/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Realme 15T (94/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Realme 15T (78/100 vs 63/100).
portability
In the "portability" category, the Realme 15T notably outperforms the Redmi K90 Ultra (55/100 vs 40/100).
Which is better: the Realme 15T or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Realme 15T — the overall rating gap is 19 points.
What is the rating of the Realme 15T and the Redmi K90 Ultra?
The Realme 15T has a MobileRank rating of 54/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Realme 15T or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 32/100).
Which is more powerful: the Realme 15T or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 55/100).
Should you choose the Realme 15T over the Redmi K90 Ultra?
The Realme 15T is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.