Realme C75 5G vs Realme C21 comparison 3i4ms
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| key specs |
| Display |
6.67-inch |
6.50-inch |
| Processor |
MediaTek Dimensity 6300 |
MediaTek Helio G35 |
| Front Camera |
8-megapixel |
5-megapixel |
| Rear Camera |
32-megapixel |
13-megapixel + 2-megapixel + 2-megapixel |
| RAM |
4GB, 6GB |
3GB, 4GB |
| Storage |
128GB |
32GB, 64GB |
| Battery Capacity |
6000mAh |
5000mAh |
| OS |
Android 15 |
Android 10 |
| Resolution |
720x1604 pixels |
720x1600 pixels |
| general |
| Brand |
Realme |
Realme |
| Model |
C75 5G |
C21 |
| Release date |
May 5, 2025 |
April 8, 2021 |
| Launched in India |
Yes |
Yes |
| Form factor |
Touchscreen |
- |
| Dimensions (mm) |
165.70 x 76.22 x 7.94 |
165.20 x 76.40 x 8.90 |
| Weight (g) |
190.00 |
190.00 |
| IP rating |
IP64 |
- |
| Battery capacity (mAh) |
6000 |
5000 |
| Removable battery |
No |
- |
| Fast charging |
45W Fast Charging |
- |
| Wireless charging |
No |
- |
| Colours |
Lily White, Midnight Lily, Purple Blossom |
Cross Black, Cross Blue |
| display |
| Refresh Rate |
120 Hz |
- |
| Resolution Standard |
HD+ |
- |
| Screen size (inches) |
6.67 |
6.50 |
| Touchscreen |
Yes |
Yes |
| Resolution |
720x1604 pixels |
720x1600 pixels |
| hardware |
| Processor |
octa-core |
octa-core |
| Processor make |
MediaTek Dimensity 6300 |
MediaTek Helio G35 |
| RAM |
4GB, 6GB |
3GB, 4GB |
| Internal storage |
128GB |
32GB, 64GB |
| Expandable storage |
- |
Yes |
| Expandable storage type |
- |
microSD |
| Expandable storage up to (GB) |
- |
256 |
| Dedicated microSD slot |
- |
Yes |
| camera |
| Rear camera |
32-megapixel (f/1.8) |
13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4) |
| No. of Rear Cameras |
2 |
3 |
| Rear flash |
Yes |
- |
| Front camera |
8-megapixel |
5-megapixel (f/2.2) |
| No. of Front Cameras |
1 |
1 |
| software |
| Operating system |
Android 15 |
Android 10 |
| Skin |
Realme UI 6 |
Realme UI |
| connectivity |
| Wi-Fi |
Yes |
Yes |
| GPS |
Yes |
Yes |
| Bluetooth |
Yes, v 5.30 |
Yes, v 5.00 |
| USB Type-C |
Yes |
- |
| Headphones |
Type-C |
3.5mm |
| Number of SIMs |
2 |
2 |
| Active 4G on both SIM cards |
Yes |
- |
| Wi-Fi standards ed |
- |
802.11 b/g/n |
| Micro-USB |
- |
Yes |
| sensors |
| Fingerprint sensor |
Yes |
Yes |
| Com/ Magnetometer |
Yes |
Yes |
| Proximity sensor |
Yes |
Yes |
| Accelerometer |
Yes |
Yes |
| Gyroscope |
Yes |
- |
| Ambient light sensor |
- |
Yes |
| ratings |
| Overall NDTV Rating |
- |
Read Review |
| Design Rating |
- |
|
| Display Rating |
- |
|
| Software Rating |
- |
|
| Performance Rating |
- |
|
| Battery Life Rating |
- |
|
| Camera Rating |
- |
|
| Value for Money Rating |
- |
|
| sim 1 |
| SIM Type |
- |
Nano-SIM |
| GSM/CDMA |
- |
GSM |
| 3G |
- |
Yes |
| 4G/ LTE |
- |
Yes |
| sim 2 |
| SIM Type |
- |
Nano-SIM |
| GSM/CDMA |
- |
GSM |
| 3G |
- |
Yes |
| 4G/ LTE |
- |
Yes |
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