Redmi K90 Max vs Xiaomi 17 Ultra (China)
The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the Xiaomi 17 Ultra (China) (2025) runs on the Snapdragon 8 Elite Gen 5; launch prices were $504 and $892. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 75/100 (a 12-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 6800); the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,950,082 vs 3,760,662).
Profile comparison
Category scores
Redmi K90 Max
Xiaomi 17 Ultra (China)
What makes Redmi K90 Max better?
- Bigger battery: 8550 vs 6800 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $504 vs $892
- Better display (94/100 vs 81/100)
What makes Xiaomi 17 Ultra (China) better?
- Higher AnTuTu: 3950082 vs 3760662
- Better Geekbench Single: 3639 vs 3293
- Better Geekbench Multi: 11047 vs 10243
- Lighter: 224g vs 227g
- Higher performance (98/100 vs 96/100)
- Better camera (87/100 vs 37/100)
- Longer battery life (83/100 vs 78/100)
- Better portability (42/100 vs 41/100)
Comparison verdict
Comparing the Redmi K90 Max vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 12 points higher (87/100 vs 75/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 37/100). Value score: Redmi K90 Max — 72/100, Xiaomi 17 Ultra (China) — 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 Ultra (China) and the Redmi K90 Max are nearly equal (98/100 vs 96/100). In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 81/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Redmi K90 Max (87/100 vs 37/100). In the "battery" category, the Xiaomi 17 Ultra (China) is a bit better (83/100 vs 78/100). In the "portability" category, the Xiaomi 17 Ultra (China) and the Redmi K90 Max are nearly equal (42/100 vs 41/100).
Specs comparison
| Specification | Redmi K90 Max | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3760662 | 3950082 | |
| Geekbench Single | 3293 | 3639 | |
| Geekbench Multi | 10243 | 11047 | |
| Display | 6.8" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 2772x1280 | 1200x2608 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 6800 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 20 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP66 | IP68/IP69 | |
| Dimensions | 162.9×77.9×8.1 mm | 162.9×77.6×8.3 mm | |
| Weight | 227 g | 224 g | |
| Launch price | $504 | $892 |
Camera comparison
Redmi K90 Max
- Main: 50MP f/1.68
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Redmi K90 Max and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads Redmi K90 Max by 4.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $388. Redmi K90 Max was $388 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 17 Ultra (China) and the Redmi K90 Max are nearly equal (98/100 vs 96/100).
display
In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 81/100).
camera
In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Redmi K90 Max (87/100 vs 37/100).
battery
In the "battery" category, the Xiaomi 17 Ultra (China) is a bit better (83/100 vs 78/100).
portability
In the "portability" category, the Xiaomi 17 Ultra (China) and the Redmi K90 Max are nearly equal (42/100 vs 41/100).
Frequently asked questions
Which is better: the Redmi K90 Max or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) is noticeably better than the Redmi K90 Max — the overall rating gap is 12 points.
What is the rating of the Redmi K90 Max and the Xiaomi 17 Ultra (China)?
The Redmi K90 Max has a MobileRank rating of 75/100, the Xiaomi 17 Ultra (China) — 87/100.
Which has the better camera: the Redmi K90 Max or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 37/100).
Should you choose the Redmi K90 Max over the Xiaomi 17 Ultra (China)?
The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life. The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.