Realme C100 4G vs Realme V21
Comparing the Realme C100 4G (2026) and the Realme V21 (2022) on specs and benchmarks. By overall MobileRank rating, the Realme C100 4G leads — 30/100 vs 10/100 (a 20-point difference). Key differences: the Realme C100 4G has the bigger battery (8000 mAh vs 5000); the main camera is 50 MP vs 13 MP; the Realme C100 4G has NFC for contactless payments, the Realme V21 doesn't.
Realme C100 4G
Realme V21
- Bigger battery: 8000 vs 5000 mAh
- Better main camera: 50MP vs 13MP
- Better camera (24/100 vs 0/100)
- Longer battery life (54/100 vs 36/100)
- Better display (100/100 vs 0/100)
- Better design/ergonomics (50/100 vs 26/100)
Comparing the Realme C100 4G vs the Realme V21, the Realme C100 4G scores 20 points higher (30/100 vs 10/100). In the "camera" category, the Realme C100 4G leads (24/100 vs 0/100). In the "battery" category, the Realme C100 4G leads (54/100 vs 36/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Realme C100 4G significantly outperforms the Realme V21 (100/100 vs 0/100). In the "camera" category, the Realme C100 4G notably outperforms the Realme V21 (24/100 vs 0/100). In the "battery" category, the Realme C100 4G notably outperforms the Realme V21 (54/100 vs 36/100). In the "design" category, the Realme V21 notably outperforms the Realme C100 4G (50/100 vs 26/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Realme C100 4G | Realme V21 | |
|---|---|---|---|
| Processor | MediaTek Helio G92 Max | — | |
| AnTuTu | — | — | |
| Geekbench Single | — | — | |
| Geekbench Multi | — | — | |
| Display | 6.8" IPS LCD | 6.6" TFT | |
| Resolution | 720x1570 | 720x1612 | |
| Refresh rate | 120 Hz | — | |
| Battery | 8000 mAh | 5000 mAh | |
| Charging | 15W | — | |
| Main camera | 50 MP | 13 MP | |
| Front camera | 8 MP | 8 MP | |
| RAM | 8GB | 4GB / 6GB / 8GB | |
| Storage | 256GB | 128GB | |
| OS | Android 16, Realme UI 7.0 | Android 12, Realme UI 3.0 | |
| Brightness (peak) | 1200 nits | — | |
| NFC | yes | no | |
| Protection | IP66 | — | |
| Dimensions | 166.5×78.2×8.6 mm | — | |
| Weight | 219 g | — | |
| Price | — | — |
Realme C100 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Realme V21
- Main: 13MP f/f/2.2
- Front: 8MP
Realme C100 4G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Realme V21
- 6.6" TFT
- Resolution: 720x1612
- Refresh rate: —
Realme C100 4G
- 8000 mAh
- Wired: 15W
- No wireless charging
Realme V21
- 5000 mAh
- No wireless charging
performance
In the "performance" category, both devices are on the same level — 0/100.
display
In the "display" category, the Realme C100 4G significantly outperforms the Realme V21 (100/100 vs 0/100).
camera
In the "camera" category, the Realme C100 4G notably outperforms the Realme V21 (24/100 vs 0/100).
battery
In the "battery" category, the Realme C100 4G notably outperforms the Realme V21 (54/100 vs 36/100).
design
In the "design" category, the Realme V21 notably outperforms the Realme C100 4G (50/100 vs 26/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Realme C100 4G or the Realme V21?
The Realme C100 4G significantly outperforms the Realme V21 by 20 points (30/100 vs 10/100).
What is the rating of the Realme C100 4G and the Realme V21?
The Realme C100 4G has a MobileRank rating of 30/100, the Realme V21 — 10/100.
Which has the better camera: the Realme C100 4G or the Realme V21?
The Realme C100 4G leads on camera score (24/100 vs 0/100).
Should you choose the Realme C100 4G over the Realme V21?
The Realme C100 4G is a better fit for everyday use. The Realme V21 is a better fit for everyday use.