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 — 75/100 vs 60/100 (a 15-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4720); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 979,624); the Infinix Zero Flip is noticeably lighter (195g vs 227g).
Infinix Zero Flip
Redmi K90 Ultra
- Lighter: 195g vs 227g
- Better camera (60/100 vs 37/100)
- Better portability (66/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 979624
- Better Geekbench Single: 3041 vs 1120
- Better Geekbench Multi: 9494 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 (92/100 vs 47/100)
- Better display (94/100 vs 81/100)
Comparing the Infinix Zero Flip vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 15 points higher (75/100 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 (92/100 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 (92/100 vs 47/100). In the "portability" category, the Infinix Zero Flip notably outperforms the Redmi K90 Ultra (66/100 vs 40/100).
| Specification | Infinix Zero Flip | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8020 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 979624 | 3119308 | |
| Geekbench Single | 1120 | 3041 | |
| Geekbench Multi | 3665 | 9494 | |
| 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 | |
| Price | — | $420 |
Infinix Zero Flip
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Front: 50MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
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
Infinix Zero Flip
- 4720 mAh
- Wired: 70W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- Wireless charging: no data
We compared Infinix Zero Flip and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Infinix Zero Flip by 68.6% in our overall performance rating.
Infinix Zero Flip
Price unknownperformance
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 (92/100 vs 47/100).
portability
In the "portability" category, the Infinix Zero Flip notably outperforms the Redmi K90 Ultra (66/100 vs 40/100).
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 15 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 — 75/100.
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 Infinix Zero Flip is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.