Realme P4x vs Redmi K90
The Realme P4x (2025) runs on the MediaTek Dimensity 7400 Ultra, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $190 and $401. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 52/100 (a 24-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 7000); the Redmi K90 is faster in AnTuTu (3,077,585 vs 876,440); the Redmi K90 has NFC for contactless payments, the Realme P4x doesn't.
Profile comparison
Category scores
Realme P4x
Redmi K90
What makes Realme P4x better?
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $190 vs $401
- Overall rating 52/100
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 876440
- Better Geekbench Single: 3013 vs 1050
- Better Geekbench Multi: 9287 vs 2939
- Bigger battery: 7100 vs 7000 mAh
- Faster charging: 100W vs 45W
- Lighter: 206g vs 208g
- Higher performance (91/100 vs 56/100)
- Better camera (58/100 vs 30/100)
- Longer battery life (72/100 vs 60/100)
- Better display (82/100 vs 76/100)
- Better portability (55/100 vs 50/100)
Comparison verdict
Comparing the Realme P4x vs the Redmi K90, the Redmi K90 scores 24 points higher (76/100 vs 52/100). In the "performance" category, the Redmi K90 leads (91/100 vs 56/100). In the "camera" category, the Redmi K90 leads (58/100 vs 30/100). In the "battery" category, the Redmi K90 leads (72/100 vs 60/100). Value score: Realme P4x — 68/100, Redmi K90 — 80/100; 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 significantly outperforms the Realme P4x (91/100 vs 56/100). In the "display" category, the Redmi K90 is a bit better (82/100 vs 76/100). In the "camera" category, the Redmi K90 notably outperforms the Realme P4x (58/100 vs 30/100). In the "battery" category, the Redmi K90 is a bit better (72/100 vs 60/100). In the "portability" category, the Redmi K90 is a bit better (55/100 vs 50/100).
Specs comparison
| Specification | Realme P4x | Redmi K90 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 7400 Ultra | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 876440 | 3077585 | |
| Geekbench Single | 1050 | 3013 | |
| Geekbench Multi | 2939 | 9287 | |
| Display | 6.7" IPS LCD | 6.6" AMOLED | |
| Resolution | 1080x2400 | 2510x1156 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 7100 mAh | |
| Charging | 45W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB | |
| OS | Android 15, Realme UI 6.0 | Android 16 | |
| Brightness (peak) | 1000 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 165.9×76.0×8.4 mm | 157.5×75.3×8.0 mm | |
| Weight | 208 g | 206 g | |
| Launch price | $190 | $401 |
Camera comparison
Realme P4x
- Main: 50MP f/1.8
- Front: 8MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
Realme P4x
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
Realme P4x
- 7000 mAh
- Wired: 45W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Realme P4x and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Realme P4x by 71.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $211. Realme P4x was $211 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Realme P4x (91/100 vs 56/100).
display
In the "display" category, the Redmi K90 is a bit better (82/100 vs 76/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Realme P4x (58/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 is a bit better (72/100 vs 60/100).
portability
In the "portability" category, the Redmi K90 is a bit better (55/100 vs 50/100).
Frequently asked questions
Which is better: the Realme P4x or the Redmi K90?
The Redmi K90 significantly outperforms the Realme P4x by 24 points (76/100 vs 52/100).
What is the rating of the Realme P4x and the Redmi K90?
The Realme P4x has a MobileRank rating of 52/100, the Redmi K90 — 76/100.
Which has the better camera: the Realme P4x or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 30/100).
Which is more powerful: the Realme P4x or the Redmi K90?
The Redmi K90 leads on performance (91/100 vs 56/100).
Should you choose the Realme P4x over the Redmi K90?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.