Realme P4 vs Vivo Y21
The Realme P4 (2025) runs on the Dimensity 7400, while the Vivo Y21 (2026) runs on the MediaTek Dimensity 6300; launch prices were $229 and $178. By overall MobileRank rating, the Realme P4 leads — 57/100 vs 44/100 (a 13-point difference). Key differences: the Realme P4 has the bigger battery (7000 mAh vs 6500); the Realme P4 is faster in AnTuTu (956,756 vs 524,785); the Vivo Y21 has NFC for contactless payments, the Realme P4 doesn't.
Realme P4
Vivo Y21
- Higher AnTuTu: 956756 vs 524785
- Better Geekbench Single: 1061 vs 771
- Better Geekbench Multi: 3185 vs 1980
- Bigger battery: 7000 vs 6500 mAh
- Faster charging: 80W vs 44W
- Lighter: 195g vs 209g
- Higher performance (57/100 vs 43/100)
- Better camera (35/100 vs 30/100)
- Longer battery life (68/100 vs 58/100)
- Better display (79/100 vs 55/100)
- Better portability (66/100 vs 49/100)
- Cheaper at launch: $178 vs $229
- Overall rating 44/100
Comparing the Realme P4 vs the Vivo Y21, the Realme P4 scores 13 points higher (57/100 vs 44/100). In the "performance" category, the Realme P4 leads (57/100 vs 43/100). In the "battery" category, the Realme P4 leads (68/100 vs 58/100). Value score: Realme P4 — 72/100, Vivo Y21 — 56/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Realme P4 is a bit better (57/100 vs 43/100). In the "display" category, the Realme P4 notably outperforms the Vivo Y21 (79/100 vs 55/100). In the "camera" category, the Realme P4 is a bit better (35/100 vs 30/100). In the "battery" category, the Realme P4 is a bit better (68/100 vs 58/100). In the "portability" category, the Realme P4 notably outperforms the Vivo Y21 (66/100 vs 49/100).
| Specification | Realme P4 | Vivo Y21 | |
|---|---|---|---|
| Processor | Dimensity 7400 | MediaTek Dimensity 6300 | |
| AnTuTu | 956756 | 524785 | |
| Geekbench Single | 1061 | 771 | |
| Geekbench Multi | 3185 | 1980 | |
| Display | 6.8" OLED | 6.7" IPS LCD | |
| Resolution | 1080x2392 | 720x1600 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7000 mAh | 6500 mAh | |
| Charging | 80W | 44W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 16 MP | 5 MP | |
| RAM | 6GB / 8GB | 4GB / 6GB / 8GB | |
| Storage | 128GB / 256GB | 128GB | |
| OS | Android 15 | Android 16, OriginOS 6 | |
| Brightness (peak) | 4500 nits | 1200 nits | |
| NFC | no | yes | |
| Protection | IP66 | IP65 | |
| Dimensions | 163.3×75.9×7.6 mm | 167.4×77.1×8.4 mm | |
| Weight | 195 g | 209 g | |
| Launch price | $229 | $178 |
Realme P4
- Main: 50MP f/f/1.88
- Ultrawide: 8MP
- Front: 16MP
Vivo Y21
- Main: 50MP f/f/1.8
- Front: 5MP
Realme P4
- 6.8" OLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Vivo Y21
- 6.7" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Realme P4
- 7000 mAh
- Wired: 80W
- No wireless charging
Vivo Y21
- 6500 mAh
- Wired: 44W
- No wireless charging
We compared Realme P4 and Vivo Y21, covering their specs and all relevant benchmarks.
Realme P4 leads Vivo Y21 by 82.3% in our overall performance rating.
Launch price difference: $51. Vivo Y21 was $51 cheaper at launch.
performance
In the "performance" category, the Realme P4 is a bit better (57/100 vs 43/100).
display
In the "display" category, the Realme P4 notably outperforms the Vivo Y21 (79/100 vs 55/100).
camera
In the "camera" category, the Realme P4 is a bit better (35/100 vs 30/100).
battery
In the "battery" category, the Realme P4 is a bit better (68/100 vs 58/100).
portability
In the "portability" category, the Realme P4 notably outperforms the Vivo Y21 (66/100 vs 49/100).
Which is better: the Realme P4 or the Vivo Y21?
The Realme P4 is noticeably better than the Vivo Y21 — the overall rating gap is 13 points.
What is the rating of the Realme P4 and the Vivo Y21?
The Realme P4 has a MobileRank rating of 57/100, the Vivo Y21 — 44/100.
Which has the better camera: the Realme P4 or the Vivo Y21?
The Realme P4 leads on camera score (35/100 vs 30/100).
Which is more powerful: the Realme P4 or the Vivo Y21?
The Realme P4 leads on performance (57/100 vs 43/100).
Should you choose the Realme P4 over the Vivo Y21?
The Realme P4 is a better fit for everyday use. The Vivo Y21 is a better fit for everyday use.