Realme 15x vs Realme V21
Comparing the Realme 15x (2025) and the Realme V21 (2022) on specs and benchmarks. By overall MobileRank rating, the Realme 15x leads — 37/100 vs 10/100 (a 27-point difference). Key differences: the Realme 15x has the bigger battery (7000 mAh vs 5000); the main camera is 50 MP vs 13 MP.
Realme 15x
Realme V21
- Bigger battery: 7000 vs 5000 mAh
- Better main camera: 50MP vs 13MP
- Better camera (38/100 vs 0/100)
- Longer battery life (60/100 vs 36/100)
- Better display (100/100 vs 0/100)
- Better value for money (93/100 vs 55/100)
- Better design/ergonomics (50/100 vs 35/100)
Comparing the Realme 15x vs the Realme V21, the Realme 15x scores 27 points higher (37/100 vs 10/100). In the "camera" category, the Realme 15x leads (38/100 vs 0/100). In the "battery" category, the Realme 15x leads (60/100 vs 36/100). In the "value for money" category, the Realme 15x leads (93/100 vs 55/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Realme 15x significantly outperforms the Realme V21 (100/100 vs 0/100). In the "camera" category, the Realme 15x significantly outperforms the Realme V21 (38/100 vs 0/100). In the "battery" category, the Realme 15x notably outperforms the Realme V21 (60/100 vs 36/100). In the "design" category, the Realme V21 notably outperforms the Realme 15x (50/100 vs 35/100). In the "value for money" category, the Realme 15x significantly outperforms the Realme V21 (93/100 vs 55/100).
| Specification | Realme 15x | Realme V21 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | — | |
| AnTuTu | 524785 | — | |
| Geekbench Single | 771 | — | |
| Geekbench Multi | 1980 | — | |
| Display | 6.8" IPS LCD | 6.6" TFT | |
| Resolution | 720x1570 | 720x1612 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 60W | — | |
| Main camera | 50 MP | 13 MP | |
| Front camera | 50 MP | 8 MP | |
| RAM | 6GB / 8GB | 4GB / 6GB / 8GB | |
| Storage | 128GB / 256GB | 128GB | |
| OS | Android 15 | Android 12, Realme UI 3.0 | |
| Brightness (peak) | 1200 nits | — | |
| NFC | no | no | |
| Protection | IP68/IP69 | — | |
| Dimensions | 166.1×77.9×8.3 mm | — | |
| Weight | 212 g | — | |
| Price | $250 | — |
Realme 15x
- Main: 50MP f/1.8
- Front: 50MP
Realme V21
- Main: 13MP f/f/2.2
- Front: 8MP
Realme 15x
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Realme V21
- 6.6" TFT
- Resolution: 720x1612
- Refresh rate: —
Realme 15x
- 7000 mAh
- Wired: 60W
- No wireless charging
Realme V21
- 5000 mAh
- No wireless charging
Realme V21
Price unknownperformance
In the "performance" category, both devices are on the same level — 0/100.
display
In the "display" category, the Realme 15x significantly outperforms the Realme V21 (100/100 vs 0/100).
camera
In the "camera" category, the Realme 15x significantly outperforms the Realme V21 (38/100 vs 0/100).
battery
In the "battery" category, the Realme 15x notably outperforms the Realme V21 (60/100 vs 36/100).
design
In the "design" category, the Realme V21 notably outperforms the Realme 15x (50/100 vs 35/100).
value for money
In the "value for money" category, the Realme 15x significantly outperforms the Realme V21 (93/100 vs 55/100).
Which is better: the Realme 15x or the Realme V21?
The Realme 15x significantly outperforms the Realme V21 by 27 points (37/100 vs 10/100).
What is the rating of the Realme 15x and the Realme V21?
The Realme 15x has a MobileRank rating of 37/100, the Realme V21 — 10/100.
Which has the better camera: the Realme 15x or the Realme V21?
The Realme 15x leads on camera score (38/100 vs 0/100).
Should you choose the Realme 15x over the Realme V21?
The Realme 15x is a better fit for budget-conscious buyers. The Realme V21 is a better fit for everyday use.