Redmi K90 Ultra vs ZTE Blade A75 4G
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the ZTE Blade A75 4G (2024) runs on the Unisoc T606; estimated prices are $420 and $114. By overall MobileRank rating, the Redmi K90 Ultra leads — 75/100 vs 34/100 (a 41-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 330,006); the ZTE Blade A75 4G is noticeably lighter (189g vs 227g).
Redmi K90 Ultra
ZTE Blade A75 4G
- Higher AnTuTu: 3119308 vs 330006
- Better Geekbench Single: 3041 vs 378
- Better Geekbench Multi: 9494 vs 1335
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 5W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 27/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (92/100 vs 43/100)
- Better display (94/100 vs 44/100)
- Better value for money (86/100 vs 52/100)
- Lighter: 189g vs 227g
- Cheaper: $114 vs $420
- Better portability (59/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the ZTE Blade A75 4G, the Redmi K90 Ultra scores 41 points higher (75/100 vs 34/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 27/100). In the "battery" category, the Redmi K90 Ultra leads (92/100 vs 43/100). In the "value for money" category, the Redmi K90 Ultra leads (86/100 vs 52/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the ZTE Blade A75 4G (92/100 vs 27/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the ZTE Blade A75 4G (94/100 vs 44/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the ZTE Blade A75 4G (92/100 vs 43/100). In the "portability" category, the ZTE Blade A75 4G notably outperforms the Redmi K90 Ultra (59/100 vs 40/100). In the "value for money" category, the Redmi K90 Ultra significantly outperforms the ZTE Blade A75 4G (86/100 vs 52/100).
| Specification | Redmi K90 Ultra | ZTE Blade A75 4G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Unisoc T606 | |
| AnTuTu | 3119308 | 330006 | |
| Geekbench Single | 3041 | 378 | |
| Geekbench Multi | 9494 | 1335 | |
| Display | 6.8" AMOLED | 6.6" IPS LCD | |
| Resolution | 1280x2772 | 720x1612 | |
| Refresh rate | 165 Hz | 90 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 5W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 13 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 164.1×75.8×8.6 mm | |
| Weight | 227 g | 189 g | |
| Price | $420 | $114 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
ZTE Blade A75 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
ZTE Blade A75 4G
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- Wireless charging: no data
ZTE Blade A75 4G
- 5000 mAh
- Wired: 5W
- No wireless charging
We compared Redmi K90 Ultra and ZTE Blade A75 4G, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads ZTE Blade A75 4G by 845.2% in our overall performance rating.
Price difference: $306. ZTE Blade A75 4G is cheaper by $306.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the ZTE Blade A75 4G (92/100 vs 27/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the ZTE Blade A75 4G (94/100 vs 44/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the ZTE Blade A75 4G (92/100 vs 43/100).
portability
In the "portability" category, the ZTE Blade A75 4G notably outperforms the Redmi K90 Ultra (59/100 vs 40/100).
value for money
In the "value for money" category, the Redmi K90 Ultra significantly outperforms the ZTE Blade A75 4G (86/100 vs 52/100).
Which is better: the Redmi K90 Ultra or the ZTE Blade A75 4G?
The Redmi K90 Ultra significantly outperforms the ZTE Blade A75 4G by 41 points (75/100 vs 34/100).
What is the rating of the Redmi K90 Ultra and the ZTE Blade A75 4G?
The Redmi K90 Ultra has a MobileRank rating of 75/100, the ZTE Blade A75 4G — 34/100.
Which has the better camera: the Redmi K90 Ultra or the ZTE Blade A75 4G?
The Redmi K90 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Redmi K90 Ultra or the ZTE Blade A75 4G?
The Redmi K90 Ultra leads on performance (92/100 vs 27/100).
Should you choose the Redmi K90 Ultra over the ZTE Blade A75 4G?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The ZTE Blade A75 4G is a better fit for everyday use.