Redmi K90 Ultra vs Vivo iQOO 15R
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO 15R (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $420 and $450. Both devices score the same overall rating of 73/100. Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6500); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 2,817,788); the Vivo iQOO 15R is noticeably lighter (197g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Vivo iQOO 15R
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 2817788
- Bigger battery: 8550 vs 6500 mAh
- Higher refresh rate: 165Hz vs 144Hz
- Cheaper at launch: $420 vs $450
- Better camera (37/100 vs 35/100)
- Longer battery life (78/100 vs 74/100)
What makes Vivo iQOO 15R better?
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Faster charging: 120W vs 100W
- Lighter: 197g vs 227g
- Higher performance (93/100 vs 92/100)
- Better portability (62/100 vs 40/100)
Comparison verdict
The Redmi K90 Ultra and the Vivo iQOO 15R received the same MobileRank rating — 73/100. Value score: Redmi K90 Ultra — 72/100, Vivo iQOO 15R — 70/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Vivo iQOO 15R and the Redmi K90 Ultra are nearly equal (93/100 vs 92/100). In the "display" category, both devices are on the same level — 94/100. In the "camera" category, the Redmi K90 Ultra and the Vivo iQOO 15R are nearly equal (37/100 vs 35/100). In the "battery" category, the Redmi K90 Ultra and the Vivo iQOO 15R are nearly equal (78/100 vs 74/100). In the "portability" category, the Vivo iQOO 15R notably outperforms the Redmi K90 Ultra (62/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Vivo iQOO 15R | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3233695 | 2817788 | |
| Geekbench Single | 3013 | 3639 | |
| Geekbench Multi | 9287 | 11047 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1280x2772 | 2800x1260 | |
| Refresh rate | 165 Hz | 144 Hz | |
| Battery | 8550 mAh | 6500 mAh | |
| Charging | 100W | 120W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | 5000 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 157.6×74.4×7.9 mm | |
| Weight | 227 g | 197 g | |
| Launch price | $420 | $450 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO 15R
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Vivo iQOO 15R
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 144 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo iQOO 15R
- 6500 mAh
- Wired: 120W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Vivo iQOO 15R, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Vivo iQOO 15R by 14.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $30. Redmi K90 Ultra was $30 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15R and the Redmi K90 Ultra are nearly equal (93/100 vs 92/100).
display
In the "display" category, both devices are on the same level — 94/100.
camera
In the "camera" category, the Redmi K90 Ultra and the Vivo iQOO 15R are nearly equal (37/100 vs 35/100).
battery
In the "battery" category, the Redmi K90 Ultra and the Vivo iQOO 15R are nearly equal (78/100 vs 74/100).
portability
In the "portability" category, the Vivo iQOO 15R notably outperforms the Redmi K90 Ultra (62/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo iQOO 15R?
Both devices scored 73/100. The choice depends on your priorities: if performance matters more — go with the Vivo iQOO 15R (93/100 vs 92/100).
What is the rating of the Redmi K90 Ultra and the Vivo iQOO 15R?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo iQOO 15R — 73/100.
Should you choose the Redmi K90 Ultra over the Vivo iQOO 15R?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo iQOO 15R is a better fit for gamers and power users.