Redmi K90 Ultra vs Vivo iQOO 15T
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500; estimated prices are $420 and $499. By overall MobileRank rating, the Vivo iQOO 15T leads — 75/100 vs 61/100 (a 14-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 8000); the main camera is 50 MP vs 200 MP; the Vivo iQOO 15T is faster in AnTuTu (3,815,522 vs 2,760,000).
Redmi K90 Ultra
Vivo iQOO 15T
- Bigger battery: 8550 vs 8000 mAh
- Higher refresh rate: 165Hz vs 144Hz
- Cheaper: $420 vs $499
- Longer battery life (77/100 vs 74/100)
- Better value for money (81/100 vs 75/100)
- Higher AnTuTu: 3815522 vs 2760000
- Better Geekbench Single: 3228 vs 3050
- Better Geekbench Multi: 9553 vs 9300
- Better main camera: 200MP vs 50MP
- Lighter: 216g vs 227g
- Higher performance (82/100 vs 65/100)
- Better camera (63/100 vs 32/100)
- Better design/ergonomics (30/100 vs 16/100)
Comparing the Redmi K90 Ultra vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 14 points higher (75/100 vs 61/100). In the "performance" category, the Vivo iQOO 15T leads (82/100 vs 65/100). In the "camera" category, the Vivo iQOO 15T leads (63/100 vs 32/100). In the "performance" category, the Vivo iQOO 15T notably outperforms the Redmi K90 Ultra (82/100 vs 65/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo iQOO 15T significantly outperforms the Redmi K90 Ultra (63/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra and the Vivo iQOO 15T are nearly equal (77/100 vs 74/100). In the "design" category, the Vivo iQOO 15T is a bit better (30/100 vs 16/100). In the "value for money" category, the Redmi K90 Ultra is a bit better (81/100 vs 75/100).
| Specification | Redmi K90 Ultra | Vivo iQOO 15T | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9500 | |
| AnTuTu | 2760000 | 3815522 | |
| Geekbench Single | 3050 | 3228 | |
| Geekbench Multi | 9300 | 9553 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1280x2772 | 1440x3168 | |
| Refresh rate | 165 Hz | 144 Hz | |
| Battery | 8550 mAh | 8000 mAh | |
| Charging | 100W | 100W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | — | |
| Weight | 227 g | 216 g | |
| Price | $420 | $499 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO 15T
- Main: 200MP f/f/1.8
- Ultrawide: 50MP
- Front: 16MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
We compared Redmi K90 Ultra and Vivo iQOO 15T, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Redmi K90 Ultra by 27.7% in our overall performance rating.
Price difference: $79. Redmi K90 Ultra is cheaper by $79.
performance
In the "performance" category, the Vivo iQOO 15T notably outperforms the Redmi K90 Ultra (82/100 vs 65/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Vivo iQOO 15T significantly outperforms the Redmi K90 Ultra (63/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Ultra and the Vivo iQOO 15T are nearly equal (77/100 vs 74/100).
design
In the "design" category, the Vivo iQOO 15T is a bit better (30/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Ultra is a bit better (81/100 vs 75/100).
Which is better: the Redmi K90 Ultra or the Vivo iQOO 15T?
The Vivo iQOO 15T is noticeably better than the Redmi K90 Ultra — the overall rating gap is 14 points.
What is the rating of the Redmi K90 Ultra and the Vivo iQOO 15T?
The Redmi K90 Ultra has a MobileRank rating of 61/100, the Vivo iQOO 15T — 75/100.
Which has the better camera: the Redmi K90 Ultra or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on camera score (63/100 vs 32/100).
Which is more powerful: the Redmi K90 Ultra or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on performance (82/100 vs 65/100).
Should you choose the Redmi K90 Ultra over the Vivo iQOO 15T?
The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers. The Vivo iQOO 15T is a better fit for gamers and power users, budget-conscious buyers.