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; estimated prices are $420 and $709. By overall MobileRank rating, the Xiaomi 17 leads — 87/100 vs 75/100 (a 12-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7000); the Xiaomi 17 is faster in AnTuTu (3,274,157 vs 3,119,308); the Xiaomi 17 is noticeably lighter (191g vs 227g).
Redmi K90 Ultra
Xiaomi 17
- Bigger battery: 8550 vs 7000 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper: $420 vs $709
- Longer battery life (92/100 vs 87/100)
- Better display (94/100 vs 85/100)
- Higher AnTuTu: 3274157 vs 3119308
- Better Geekbench Single: 3566 vs 3041
- Better Geekbench Multi: 10162 vs 9494
- Lighter: 191g vs 227g
- Higher performance (95/100 vs 92/100)
- Better camera (81/100 vs 37/100)
- Better portability (63/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Xiaomi 17, the Xiaomi 17 scores 12 points higher (87/100 vs 75/100). In the "camera" category, the Xiaomi 17 leads (81/100 vs 37/100). 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 Redmi K90 Ultra is a bit better (92/100 vs 87/100). In the "portability" category, the Xiaomi 17 notably outperforms the Redmi K90 Ultra (63/100 vs 40/100). In the "value for money" category, both devices are on the same level — 86/100.
| Specification | Redmi K90 Ultra | Xiaomi 17 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3119308 | 3274157 | |
| Geekbench Single | 3041 | 3566 | |
| Geekbench Multi | 9494 | 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 | — | 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 | |
| Price | $420 | $709 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 17
- Main: 50MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Xiaomi 17
- 6.3" LTPO AMOLED
- Resolution: 2656x1200
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- Wireless charging: no data
Xiaomi 17
- 7000 mAh
- NanoReview test: web browsing 15:00 hrs, total 33:58 hrs
- Wired: 100W
- Wireless: 50W
We compared Redmi K90 Ultra and Xiaomi 17, covering their specs and all relevant benchmarks.
Xiaomi 17 leads Redmi K90 Ultra by 4.7% in our overall performance rating.
Price difference: $289. Redmi K90 Ultra is cheaper by $289.
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 Redmi K90 Ultra is a bit better (92/100 vs 87/100).
portability
In the "portability" category, the Xiaomi 17 notably outperforms the Redmi K90 Ultra (63/100 vs 40/100).
value for money
In the "value for money" category, both devices are on the same level — 86/100.
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 12 points.
What is the rating of the Redmi K90 Ultra and the Xiaomi 17?
The Redmi K90 Ultra has a MobileRank rating of 75/100, 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, budget-conscious buyers. The Xiaomi 17 is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.