Realme P4x 4G vs Redmi K90 Ultra
The Realme P4x 4G (2026) runs on the Unisoc T7250, 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 40/100 (a 33-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 8000); the Redmi K90 Ultra has NFC for contactless payments, the Realme P4x 4G doesn't.
Realme P4x 4G
Redmi K90 Ultra
- Lighter: 219g vs 227g
- Overall rating 40/100
- Better Geekbench Single: 3041 vs 600
- Better Geekbench Multi: 9494 vs 1800
- Bigger battery: 8550 vs 8000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 32/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (78/100 vs 64/100)
- Better display (94/100 vs 55/100)
- Better portability (40/100 vs 39/100)
Comparing the Realme P4x 4G vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 33 points higher (73/100 vs 40/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 64/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Realme P4x 4G (92/100 vs 32/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Realme P4x 4G (94/100 vs 55/100). 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 is a bit better (78/100 vs 64/100). In the "portability" category, the Redmi K90 Ultra and the Realme P4x 4G are nearly equal (40/100 vs 39/100).
| Specification | Realme P4x 4G | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Unisoc T7250 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | — | 3119308 | |
| Geekbench Single | 600 | 3041 | |
| Geekbench Multi | 1800 | 9494 | |
| Display | 6.8" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1570 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 8000 mAh | 8550 mAh | |
| Charging | 45W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 256GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 700 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP64 | IP68/IP69 | |
| Dimensions | 166.5×78.2×8.8 mm | 162.9×77.9×8.2 mm | |
| Weight | 219 g | 227 g | |
| Launch price | — | $420 |
Realme P4x 4G
- Main: 50MP f/f/1.8
- Front: 5MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Realme P4x 4G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Realme P4x 4G
- 8000 mAh
- Wired: 45W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Realme P4x 4G
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Realme P4x 4G (92/100 vs 32/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Realme P4x 4G (94/100 vs 55/100).
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 is a bit better (78/100 vs 64/100).
portability
In the "portability" category, the Redmi K90 Ultra and the Realme P4x 4G are nearly equal (40/100 vs 39/100).
Which is better: the Realme P4x 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Realme P4x 4G by 33 points (73/100 vs 40/100).
What is the rating of the Realme P4x 4G and the Redmi K90 Ultra?
The Realme P4x 4G has a MobileRank rating of 40/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Realme P4x 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Realme P4x 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 32/100).
Should you choose the Realme P4x 4G over the Redmi K90 Ultra?
The Realme P4x 4G 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.