Realme P4 vs Redmi K90 Ultra
The Realme P4 (2025) runs on the Dimensity 7400, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $229 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 57/100 (a 16-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 953,150); the Redmi K90 Ultra has NFC for contactless payments, the Realme P4 doesn't; the Realme P4 is noticeably lighter (195g vs 227g).
Profile comparison
Category scores
Realme P4
Redmi K90 Ultra
What makes Realme P4 better?
- Lighter: 195g vs 227g
- Cheaper at launch: $229 vs $420
- Better portability (66/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 953150
- Better Geekbench Single: 3013 vs 1061
- Better Geekbench Multi: 9287 vs 3185
- Bigger battery: 8550 vs 7000 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 57/100)
- Better camera (37/100 vs 35/100)
- Longer battery life (78/100 vs 68/100)
- Better display (94/100 vs 79/100)
Comparison verdict
Comparing the Realme P4 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 16 points higher (73/100 vs 57/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 57/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 68/100). Value score: Realme P4 — 68/100, 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 Realme P4 (92/100 vs 57/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Realme P4 (94/100 vs 79/100). In the "camera" category, the Redmi K90 Ultra and the Realme P4 are nearly equal (37/100 vs 35/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100). In the "portability" category, the Realme P4 notably outperforms the Redmi K90 Ultra (66/100 vs 40/100).
Specs comparison
| Specification | Realme P4 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Dimensity 7400 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 953150 | 3233695 | |
| Geekbench Single | 1061 | 3013 | |
| Geekbench Multi | 3185 | 9287 | |
| Display | 6.8" OLED | 6.8" AMOLED | |
| Resolution | 1080x2392 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 7000 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 4500 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP66 | IP68/IP69 | |
| Dimensions | 163.3×75.9×7.6 mm | 162.9×77.9×8.2 mm | |
| Weight | 195 g | 227 g | |
| Launch price | $229 | $420 |
Camera comparison
Realme P4
- Main: 50MP f/1.88
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Realme P4
- 6.8" OLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Realme P4
- 7000 mAh
- Wired: 80W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Realme P4 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Realme P4 by 70.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $191. Realme P4 was $191 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Realme P4 (92/100 vs 57/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Realme P4 (94/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 Ultra and the Realme P4 are nearly equal (37/100 vs 35/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100).
portability
In the "portability" category, the Realme P4 notably outperforms the Redmi K90 Ultra (66/100 vs 40/100).
Frequently asked questions
Which is better: the Realme P4 or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the Realme P4 — the overall rating gap is 16 points.
What is the rating of the Realme P4 and the Redmi K90 Ultra?
The Realme P4 has a MobileRank rating of 57/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Realme P4 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 57/100).
Should you choose the Realme P4 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.