Realme V21 vs Redmi 15 4G
Comparing the Realme V21 (2022) and the Redmi 15 4G (2025) on specs and benchmarks. By overall MobileRank rating, the Redmi 15 4G leads — 32/100 vs 10/100 (a 22-point difference). Key differences: the Redmi 15 4G has the bigger battery (7000 mAh vs 5000); the main camera is 13 MP vs 50 MP; the Redmi 15 4G has NFC for contactless payments, the Realme V21 doesn't.
Realme V21
Redmi 15 4G
- Better design/ergonomics (50/100 vs 20/100)
- Bigger battery: 7000 vs 5000 mAh
- Better main camera: 50MP vs 13MP
- Better camera (24/100 vs 0/100)
- Longer battery life (53/100 vs 36/100)
- Better display (100/100 vs 0/100)
- Better value for money (100/100 vs 55/100)
Comparing the Realme V21 vs the Redmi 15 4G, the Redmi 15 4G scores 22 points higher (32/100 vs 10/100). In the "camera" category, the Redmi 15 4G leads (24/100 vs 0/100). In the "battery" category, the Redmi 15 4G leads (53/100 vs 36/100). In the "value for money" category, the Redmi 15 4G leads (100/100 vs 55/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Redmi 15 4G significantly outperforms the Realme V21 (100/100 vs 0/100). In the "camera" category, the Redmi 15 4G notably outperforms the Realme V21 (24/100 vs 0/100). In the "battery" category, the Redmi 15 4G notably outperforms the Realme V21 (53/100 vs 36/100). In the "design" category, the Realme V21 significantly outperforms the Redmi 15 4G (50/100 vs 20/100). In the "value for money" category, the Redmi 15 4G significantly outperforms the Realme V21 (100/100 vs 55/100).
| Specification | Realme V21 | Redmi 15 4G | |
|---|---|---|---|
| Processor | — | Qualcomm Snapdragon 685 | |
| AnTuTu | — | 467392 | |
| Geekbench Single | — | 466 | |
| Geekbench Multi | — | 1396 | |
| Display | 6.6" TFT | 6.9" IPS LCD | |
| Resolution | 720x1612 | 1080x2340 | |
| Refresh rate | — | 144 Hz | |
| Battery | 5000 mAh | 7000 mAh | |
| Charging | — | 33W | |
| Main camera | 13 MP | 50 MP | |
| Front camera | 8 MP | 8 MP | |
| RAM | 4GB / 6GB / 8GB | 4GB / 6GB / 8GB | |
| Storage | 128GB | 128GB / 256GB | |
| OS | Android 12, Realme UI 3.0 | Android 15, HyperOS 2 | |
| NFC | no | yes | |
| Protection | — | IP64 | |
| Dimensions | — | 171.1×82.1×8.6 mm | |
| Weight | — | 224 g | |
| Price | — | $135 |
Realme V21
- Main: 13MP f/f/2.2
- Front: 8MP
Redmi 15 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Realme V21
- 6.6" TFT
- Resolution: 720x1612
- Refresh rate: —
Redmi 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
Realme V21
- 5000 mAh
- No wireless charging
Redmi 15 4G
- 7000 mAh
- Wired: 33W
- 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 Redmi 15 4G significantly outperforms the Realme V21 (100/100 vs 0/100).
camera
In the "camera" category, the Redmi 15 4G notably outperforms the Realme V21 (24/100 vs 0/100).
battery
In the "battery" category, the Redmi 15 4G notably outperforms the Realme V21 (53/100 vs 36/100).
design
In the "design" category, the Realme V21 significantly outperforms the Redmi 15 4G (50/100 vs 20/100).
value for money
In the "value for money" category, the Redmi 15 4G significantly outperforms the Realme V21 (100/100 vs 55/100).
Which is better: the Realme V21 or the Redmi 15 4G?
The Redmi 15 4G significantly outperforms the Realme V21 by 22 points (32/100 vs 10/100).
What is the rating of the Realme V21 and the Redmi 15 4G?
The Realme V21 has a MobileRank rating of 10/100, the Redmi 15 4G — 32/100.
Which has the better camera: the Realme V21 or the Redmi 15 4G?
The Redmi 15 4G leads on camera score (24/100 vs 0/100).
Should you choose the Realme V21 over the Redmi 15 4G?
The Realme V21 is a better fit for everyday use. The Redmi 15 4G is a better fit for budget-conscious buyers.