Infinix Zero Flip vs Redmi K90 Ultra
The Infinix Zero Flip (2024) runs on the MediaTek Dimensity 8020, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 60/100 (a 13-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4720); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 981,459); the Infinix Zero Flip is noticeably lighter (195g vs 227g).
Profile comparison
Category scores
Infinix Zero Flip
Redmi K90 Ultra
What makes Infinix Zero Flip better?
- Lighter: 195g vs 227g
- Better camera (60/100 vs 37/100)
- Better portability (66/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 981459
- Better Geekbench Single: 3013 vs 1120
- Better Geekbench Multi: 9287 vs 3665
- Bigger battery: 8550 vs 4720 mAh
- Faster charging: 100W vs 70W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 59/100)
- Longer battery life (78/100 vs 47/100)
- Better display (94/100 vs 81/100)
Comparison verdict
Comparing the Infinix Zero Flip vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 13 points higher (73/100 vs 60/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 59/100). In the "camera" category, the Infinix Zero Flip leads (60/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 47/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Infinix Zero Flip (92/100 vs 59/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 81/100). In the "camera" category, the Infinix Zero Flip notably outperforms the Redmi K90 Ultra (60/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Infinix Zero Flip (78/100 vs 47/100). In the "portability" category, the Infinix Zero Flip notably outperforms the Redmi K90 Ultra (66/100 vs 40/100).
Specs comparison
| Specification | Infinix Zero Flip | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8020 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 981459 | 3233695 | |
| Geekbench Single | 1120 | 3013 | |
| Geekbench Multi | 3665 | 9287 | |
| Display | 6.9" Foldable LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2640 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 4720 mAh | 8550 mAh | |
| Charging | 70W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Front camera | 50 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 14, up to 2 major Android upgrades, XOS 14.5 | Android 16 | |
| Brightness (peak) | 1400 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 170.4×73.4×7.6 mm | 162.9×77.9×8.2 mm | |
| Weight | 195 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Infinix Zero Flip
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Front: 50MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Infinix Zero Flip
- 6.9" Foldable LTPO AMOLED
- Resolution: 1080x2640
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Infinix Zero Flip
- 4720 mAh
- Wired: 70W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Infinix Zero Flip and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Infinix Zero Flip by 69.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Infinix Zero Flip
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Infinix Zero Flip (92/100 vs 59/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 81/100).
camera
In the "camera" category, the Infinix Zero Flip notably outperforms the Redmi K90 Ultra (60/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Infinix Zero Flip (78/100 vs 47/100).
portability
In the "portability" category, the Infinix Zero Flip notably outperforms the Redmi K90 Ultra (66/100 vs 40/100).
Frequently asked questions
Which is better: the Infinix Zero Flip or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Infinix Zero Flip — the overall rating gap is 13 points.
What is the rating of the Infinix Zero Flip and the Redmi K90 Ultra?
The Infinix Zero Flip has a MobileRank rating of 60/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Infinix Zero Flip or the Redmi K90 Ultra?
The Infinix Zero Flip leads on camera score (60/100 vs 37/100).
Which is more powerful: the Infinix Zero Flip or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 59/100).
Should you choose the Infinix Zero Flip over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.