Infinix Smart 20 vs Realme P4x
The Infinix Smart 20 (2026) runs on the MediaTek Helio G81 Ultimate, while the Realme P4x (2025) runs on the MediaTek Dimensity 7400 Ultra; launch prices were $149 and $190. By overall MobileRank rating, the Realme P4x leads — 52/100 vs 33/100 (a 19-point difference). Key differences: the Realme P4x has the bigger battery (7000 mAh vs 5200); the main camera is 8 MP vs 50 MP; the Realme P4x is faster in AnTuTu (876,129 vs 358,383); the Infinix Smart 20 has NFC for contactless payments, the Realme P4x doesn't.
Infinix Smart 20
Realme P4x
- Cheaper at launch: $149 vs $190
- Better portability (68/100 vs 50/100)
- Higher AnTuTu: 876129 vs 358383
- Better Geekbench Single: 1050 vs 432
- Better Geekbench Multi: 2939 vs 1416
- Bigger battery: 7000 vs 5200 mAh
- Faster charging: 45W vs 15W
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (56/100 vs 30/100)
- Better camera (30/100 vs 10/100)
- Longer battery life (60/100 vs 48/100)
- Better display (76/100 vs 55/100)
Comparing the Infinix Smart 20 vs the Realme P4x, the Realme P4x scores 19 points higher (52/100 vs 33/100). In the "performance" category, the Realme P4x leads (56/100 vs 30/100). In the "camera" category, the Realme P4x leads (30/100 vs 10/100). In the "battery" category, the Realme P4x leads (60/100 vs 48/100). Value score: Infinix Smart 20 — 42/100, Realme P4x — 70/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Realme P4x notably outperforms the Infinix Smart 20 (56/100 vs 30/100). In the "display" category, the Realme P4x notably outperforms the Infinix Smart 20 (76/100 vs 55/100). In the "camera" category, the Realme P4x notably outperforms the Infinix Smart 20 (30/100 vs 10/100). In the "battery" category, the Realme P4x is a bit better (60/100 vs 48/100). In the "portability" category, the Infinix Smart 20 notably outperforms the Realme P4x (68/100 vs 50/100).
| Specification | Infinix Smart 20 | Realme P4x | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultimate | MediaTek Dimensity 7400 Ultra | |
| AnTuTu | 358383 | 876129 | |
| Geekbench Single | 432 | 1050 | |
| Geekbench Multi | 1416 | 2939 | |
| Display | 6.8" IPS LCD | 6.7" IPS LCD | |
| Resolution | 1576x720 | 1080x2400 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5200 mAh | 7000 mAh | |
| Charging | 15W | 45W | |
| Main camera | 8 MP | 50 MP | |
| Front camera | 8 MP | 8 MP | |
| RAM | 4GB | 6GB / 8GB | |
| Storage | 64GB / 128GB | 128GB / 256GB / 512GB | |
| OS | Android 16 | Android 15, Realme UI 6.0 | |
| Brightness (peak) | 700 nits | 1000 nits | |
| NFC | yes | no | |
| Protection | IP64 | IP64 | |
| Dimensions | 167.7×78.8×7.7 mm | 165.9×76.0×8.4 mm | |
| Weight | — | 208 g | |
| Launch price | $149 | $190 |
Infinix Smart 20
- Main: 8MP f/f/2.0
- Front: 8MP
Realme P4x
- Main: 50MP f/f/1.8
- Front: 8MP
Infinix Smart 20
- 6.8" IPS LCD
- Resolution: 1576x720
- Refresh rate: 120 Hz
Realme P4x
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Infinix Smart 20
- 5200 mAh
- Wired: 15W
- No wireless charging
Realme P4x
- 7000 mAh
- Wired: 45W
- No wireless charging
We compared Infinix Smart 20 and Realme P4x, covering their specs and all relevant benchmarks.
Realme P4x leads Infinix Smart 20 by 59.1% in our overall performance rating.
Launch price difference: $41. Infinix Smart 20 was $41 cheaper at launch.
performance
In the "performance" category, the Realme P4x notably outperforms the Infinix Smart 20 (56/100 vs 30/100).
display
In the "display" category, the Realme P4x notably outperforms the Infinix Smart 20 (76/100 vs 55/100).
camera
In the "camera" category, the Realme P4x notably outperforms the Infinix Smart 20 (30/100 vs 10/100).
battery
In the "battery" category, the Realme P4x is a bit better (60/100 vs 48/100).
portability
In the "portability" category, the Infinix Smart 20 notably outperforms the Realme P4x (68/100 vs 50/100).
Which is better: the Infinix Smart 20 or the Realme P4x?
The Realme P4x is noticeably better than the Infinix Smart 20 — the overall rating gap is 19 points.
What is the rating of the Infinix Smart 20 and the Realme P4x?
The Infinix Smart 20 has a MobileRank rating of 33/100, the Realme P4x — 52/100.
Which has the better camera: the Infinix Smart 20 or the Realme P4x?
The Realme P4x leads on camera score (30/100 vs 10/100).
Which is more powerful: the Infinix Smart 20 or the Realme P4x?
The Realme P4x leads on performance (56/100 vs 30/100).
Should you choose the Infinix Smart 20 over the Realme P4x?
The Infinix Smart 20 is a better fit for everyday use. The Realme P4x is a better fit for everyday use.