Realme C100 4G vs Redmi K20
The Realme C100 4G (2026) runs on the MediaTek Helio G92 Max, while the Redmi K20 (2019) runs on the Qualcomm Snapdragon 730. By overall MobileRank rating, the Realme C100 4G leads — 30/100 vs 18/100 (a 12-point difference). Key differences: the Realme C100 4G has the bigger battery (8000 mAh vs 4000); the main camera is 50 MP vs 48 MP; the Redmi K20 is noticeably lighter (191g vs 219g).
Realme C100 4G
Redmi K20
- Bigger battery: 8000 vs 4000 mAh
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Longer battery life (54/100 vs 12/100)
- Better display (100/100 vs 0/100)
- Faster charging: 18W vs 15W
- Lighter: 191g vs 219g
- Better camera (36/100 vs 24/100)
- Better design/ergonomics (61/100 vs 26/100)
- Better value for money (93/100 vs 55/100)
Comparing the Realme C100 4G vs the Redmi K20, the Realme C100 4G scores 12 points higher (30/100 vs 18/100). In the "camera" category, the Redmi K20 leads (36/100 vs 24/100). In the "battery" category, the Realme C100 4G leads (54/100 vs 12/100). In the "value for money" category, the Redmi K20 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 C100 4G significantly outperforms the Redmi K20 (100/100 vs 0/100). In the "camera" category, the Redmi K20 is a bit better (36/100 vs 24/100). In the "battery" category, the Realme C100 4G significantly outperforms the Redmi K20 (54/100 vs 12/100). In the "design" category, the Redmi K20 significantly outperforms the Realme C100 4G (61/100 vs 26/100). In the "value for money" category, the Redmi K20 significantly outperforms the Realme C100 4G (93/100 vs 55/100).
| Specification | Realme C100 4G | Redmi K20 | |
|---|---|---|---|
| Processor | MediaTek Helio G92 Max | Qualcomm Snapdragon 730 | |
| AnTuTu | — | 496392 | |
| Geekbench Single | — | 724 | |
| Geekbench Multi | — | 1836 | |
| Display | 6.8" IPS LCD | 6.4" AMOLED | |
| Resolution | 720x1570 | 2340x1080 | |
| Refresh rate | 120 Hz | 60 Hz | |
| Battery | 8000 mAh | 4000 mAh | |
| Charging | 15W | 18W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 0 MP | 13 MP | |
| Telephoto | 0 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 8GB | 6GB / 8GB | |
| Storage | 256GB | 64GB / 128GB / 256GB | |
| OS | Android 16, Realme UI 7.0 | Android 9 | |
| Brightness (peak) | 1200 nits | — | |
| NFC | yes | — | |
| Protection | IP66 | — | |
| Dimensions | 166.5×78.2×8.6 mm | — | |
| Weight | 219 g | 191 g | |
| Price | — | $250 |
Realme C100 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Redmi K20
- Main: 48MP f/f/1.75
- Ultrawide: 13MP
- Telephoto: 8MP
- Front: 20MP
Realme C100 4G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Redmi K20
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 Hz
Realme C100 4G
- 8000 mAh
- Wired: 15W
- No wireless charging
Redmi K20
- 4000 mAh
- Wired: 18W
- No wireless charging
Realme C100 4G
Price unknownperformance
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 Redmi K20 (100/100 vs 0/100).
camera
In the "camera" category, the Redmi K20 is a bit better (36/100 vs 24/100).
battery
In the "battery" category, the Realme C100 4G significantly outperforms the Redmi K20 (54/100 vs 12/100).
design
In the "design" category, the Redmi K20 significantly outperforms the Realme C100 4G (61/100 vs 26/100).
value for money
In the "value for money" category, the Redmi K20 significantly outperforms the Realme C100 4G (93/100 vs 55/100).
Which is better: the Realme C100 4G or the Redmi K20?
The Realme C100 4G is noticeably better than the Redmi K20 — the overall rating gap is 12 points.
What is the rating of the Realme C100 4G and the Redmi K20?
The Realme C100 4G has a MobileRank rating of 30/100, the Redmi K20 — 18/100.
Which has the better camera: the Realme C100 4G or the Redmi K20?
The Redmi K20 leads on camera score (36/100 vs 24/100).
Should you choose the Realme C100 4G over the Redmi K20?
The Realme C100 4G is a better fit for everyday use. The Redmi K20 is a better fit for budget-conscious buyers.