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 (3,119,308 vs 956,756); the Redmi K90 Ultra has NFC for contactless payments, the Realme P4 doesn't; the Realme P4 is noticeably lighter (195g vs 227g).
Realme P4
Redmi K90 Ultra
- Lighter: 195g vs 227g
- Cheaper at launch: $229 vs $420
- Better portability (66/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 956756
- Better Geekbench Single: 3041 vs 1061
- Better Geekbench Multi: 9494 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)
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 — 72/100, Redmi K90 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. 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).
| Specification | Realme P4 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Dimensity 7400 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 956756 | 3119308 | |
| Geekbench Single | 1061 | 3041 | |
| Geekbench Multi | 3185 | 9494 | |
| 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 |
Realme P4
- Main: 50MP f/f/1.88
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Realme P4
- 6.8" OLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Realme P4
- 7000 mAh
- Wired: 80W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Realme P4 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Realme P4 by 69.3% in our overall performance rating.
Launch price difference: $191. Realme P4 was $191 cheaper at launch.
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).
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 Realme P4 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.