Redmi 17C vs Redmi K90 Ultra
The Redmi 17C (2026) runs on the MediaTek Helio G81 Ultra, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $100 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 32/100 (a 41-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5160); the main camera is 13 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 358,608); the Redmi K90 Ultra has NFC for contactless payments, the Redmi 17C doesn't; the Redmi 17C is noticeably lighter (206g vs 227g).
Profile comparison
Category scores
Redmi 17C
Redmi K90 Ultra
What makes Redmi 17C better?
- Lighter: 206g vs 227g
- Cheaper at launch: $100 vs $420
- Better portability (53/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 358608
- Better Geekbench Single: 3013 vs 432
- Better Geekbench Multi: 9287 vs 1416
- Bigger battery: 8550 vs 5160 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 30/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 46/100)
- Better display (94/100 vs 55/100)
Comparison verdict
Comparing the Redmi 17C vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 41 points higher (73/100 vs 32/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 30/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 46/100). Value score: Redmi 17C — 52/100, Redmi K90 Ultra — 72/100; 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 Redmi K90 Ultra significantly outperforms the Redmi 17C (92/100 vs 30/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi 17C (94/100 vs 55/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Redmi 17C (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi 17C (78/100 vs 46/100). In the "portability" category, the Redmi 17C is a bit better (53/100 vs 40/100).
Specs comparison
| Specification | Redmi 17C | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultra | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 358608 | 3233695 | |
| Geekbench Single | 432 | 3013 | |
| Geekbench Multi | 1416 | 9287 | |
| Display | 6.9" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1640 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5160 mAh | 8550 mAh | |
| Charging | 18W | 100W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 600 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP64 | IP68/IP69 | |
| Dimensions | 171.6×79.5×8.2 mm | 162.9×77.9×8.2 mm | |
| Weight | 206 g | 227 g | |
| Launch price | $100 | $420 |
Camera comparison
Redmi 17C
- Main: 13MP f/2.2
- Front: 5MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Redmi 17C
- 6.9" IPS LCD
- Resolution: 720x1640
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Redmi 17C
- 5160 mAh
- Wired: 18W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi 17C and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi 17C by 88.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $320. Redmi 17C was $320 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi 17C (92/100 vs 30/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi 17C (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Redmi 17C (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi 17C (78/100 vs 46/100).
portability
In the "portability" category, the Redmi 17C is a bit better (53/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi 17C or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Redmi 17C by 41 points (73/100 vs 32/100).
What is the rating of the Redmi 17C and the Redmi K90 Ultra?
The Redmi 17C has a MobileRank rating of 32/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Redmi 17C or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the Redmi 17C or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 30/100).
Should you choose the Redmi 17C over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.