Redmi K90 Ultra vs Xiaomi 17
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 17 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $420 and $709. By overall MobileRank rating, the Xiaomi 17 leads — 87/100 vs 73/100 (a 14-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7000); the Xiaomi 17 is faster in AnTuTu (3,248,535 vs 3,233,695); the Xiaomi 17 is noticeably lighter (191g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Xiaomi 17
What makes Redmi K90 Ultra better?
- Bigger battery: 8550 vs 7000 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $709
- Better display (94/100 vs 85/100)
What makes Xiaomi 17 better?
- Higher AnTuTu: 3248535 vs 3233695
- Better Geekbench Single: 3566 vs 3013
- Better Geekbench Multi: 10162 vs 9287
- Lighter: 191g vs 227g
- Higher performance (95/100 vs 92/100)
- Better camera (81/100 vs 37/100)
- Longer battery life (87/100 vs 78/100)
- Better portability (63/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Xiaomi 17, the Xiaomi 17 scores 14 points higher (87/100 vs 73/100). In the "camera" category, the Xiaomi 17 leads (81/100 vs 37/100). Value score: Redmi K90 Ultra — 72/100, Xiaomi 17 — 88/100; 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 Xiaomi 17 and the Redmi K90 Ultra are nearly equal (95/100 vs 92/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Xiaomi 17 significantly outperforms the Redmi K90 Ultra (81/100 vs 37/100). In the "battery" category, the Xiaomi 17 is a bit better (87/100 vs 78/100). In the "portability" category, the Xiaomi 17 notably outperforms the Redmi K90 Ultra (63/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Xiaomi 17 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3233695 | 3248535 | |
| Geekbench Single | 3013 | 3566 | |
| Geekbench Multi | 9287 | 10162 | |
| Display | 6.8" AMOLED | 6.3" LTPO AMOLED | |
| Resolution | 1280x2772 | 2656x1200 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 7000 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 / HyperOS 3 | |
| Brightness (peak) | 3500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 151.1×71.8×8.1 mm | |
| Weight | 227 g | 191 g | |
| Launch price | $420 | $709 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 17
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Xiaomi 17
- 6.3" LTPO AMOLED
- Resolution: 2656x1200
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Xiaomi 17
- 7000 mAh
- NanoReview test: web browsing 15:00 hrs, total 33:58 hrs
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared Redmi K90 Ultra and Xiaomi 17, covering their specs and all relevant benchmarks.
Xiaomi 17 leads Redmi K90 Ultra by 0.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $289. Redmi K90 Ultra was $289 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 17 and the Redmi K90 Ultra are nearly equal (95/100 vs 92/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100).
camera
In the "camera" category, the Xiaomi 17 significantly outperforms the Redmi K90 Ultra (81/100 vs 37/100).
battery
In the "battery" category, the Xiaomi 17 is a bit better (87/100 vs 78/100).
portability
In the "portability" category, the Xiaomi 17 notably outperforms the Redmi K90 Ultra (63/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Xiaomi 17?
The Xiaomi 17 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 Xiaomi 17?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Xiaomi 17 — 87/100.
Which has the better camera: the Redmi K90 Ultra or the Xiaomi 17?
The Xiaomi 17 leads on camera score (81/100 vs 37/100).
Should you choose the Redmi K90 Ultra over the Xiaomi 17?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Xiaomi 17 is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.