Realme V21 vs Xiaomi Black Shark GS3
Comparing the Realme V21 (2022) and the Xiaomi Black Shark GS3 (2025) on specs and benchmarks. By overall MobileRank rating, the Realme V21 leads — 10/100 vs 5/100 (a 5-point difference).
Realme V21
Xiaomi Black Shark GS3
- Longer battery life (36/100 vs 0/100)
- Overall rating 5/100
Comparing the Realme V21 vs the Xiaomi Black Shark GS3, the Realme V21 scores 5 points higher (10/100 vs 5/100). In the "battery" category, the Realme V21 leads (36/100 vs 0/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, both devices are on the same level — 0/100. In the "camera" category, both devices are on the same level — 0/100. In the "battery" category, the Realme V21 significantly outperforms the Xiaomi Black Shark GS3 (36/100 vs 0/100). In the "design" category, both devices are on the same level — 50/100. In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Realme V21 | Xiaomi Black Shark GS3 | |
|---|---|---|---|
| Processor | — | — | |
| AnTuTu | — | — | |
| Geekbench Single | — | — | |
| Geekbench Multi | — | — | |
| Display | 6.6" TFT | 1.4" AMOLED | |
| Resolution | 720x1612 | 466x466 | |
| Refresh rate | — | — | |
| Battery | 5000 mAh | — | |
| Charging | — | — | |
| Main camera | 13 MP | — | |
| Front camera | 8 MP | — | |
| RAM | 4GB / 6GB / 8GB | — | |
| Storage | 128GB | — | |
| OS | Android 12, Realme UI 3.0 | — | |
| Brightness (peak) | — | 600 nits | |
| NFC | no | no | |
| Protection | — | IP68 | |
| Weight | — | — | |
| Price | — | — |
Realme V21
- Main: 13MP f/f/2.2
- Front: 8MP
Xiaomi Black Shark GS3
- Main: —
- Front: —
Realme V21
- 6.6" TFT
- Resolution: 720x1612
- Refresh rate: —
Xiaomi Black Shark GS3
- 1.4" AMOLED
- Resolution: 466x466
- Refresh rate: —
Realme V21
- 5000 mAh
- No wireless charging
Xiaomi Black Shark GS3
- —
- No wireless charging
performance
In the "performance" category, both devices are on the same level — 0/100.
display
In the "display" category, both devices are on the same level — 0/100.
camera
In the "camera" category, both devices are on the same level — 0/100.
battery
In the "battery" category, the Realme V21 significantly outperforms the Xiaomi Black Shark GS3 (36/100 vs 0/100).
design
In the "design" category, both devices are on the same level — 50/100.
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Realme V21 or the Xiaomi Black Shark GS3?
The Realme V21 edges out the Xiaomi Black Shark GS3 by just 5 points — the two devices are very close in overall level.
What is the rating of the Realme V21 and the Xiaomi Black Shark GS3?
The Realme V21 has a MobileRank rating of 10/100, the Xiaomi Black Shark GS3 — 5/100.
Should you choose the Realme V21 over the Xiaomi Black Shark GS3?
The Realme V21 is a better fit for everyday use. The Xiaomi Black Shark GS3 is a better fit for everyday use.