Side-by-side technical data
Realme C21Y vs Realme C30
Comparison between Realme C21Y and Realme C30: camera, battery, fast charging, display, performance and colors, side by side. More phones from Realme.
The verdict
Your pick: Realme C21Y, ahead on Camera and Battery & charging. Unless Performance & hardware decides it for you.
| Category | C21Y | C30 |
|---|---|---|
| Design & display | 4.4 | 4.7 |
| Performance & hardware | 2.3 | 2.8 |
| Camera | 3.0 | 2.2 |
| Connectivity | 4.3 | 4.3 |
| Battery & charging | 5.8 | 5.1 |
Which one is for you?
Realme C21Y, if you care about…
- Battery Features
- Reverse Charging, Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable
- against Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator
- Audio Features
- A2DP, LE, Stereo Speakers, EDR
- against A2DP, LE, Loudspeaker
Realme C30, if you care about…
- AnTuTu Score
- 224,223
- against 196,316
- Storage Type
- UFS 2.2
- against eMMC 5.1
- Weight
- 182 g
- against 200 g
- Body Thickness
- 8.5 mm
- against 9.1 mm
Specification comparison
Performance
| Specification | C21Y | C30 |
|---|---|---|
| Processor Model | Unisoc T610 | Unisoc T612 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | Mali-G52 MP2 | Mali-G57 MP1 |
| Storage Type | eMMC 5.1 | UFS 2.2 Best value |
| Maximum CPU Clock | 1.8 GHz | 1.8 GHz |
| Maximum Storage Capacity | 64 GB | 64 GB |
| AnTuTu Score | 196,316 | 224,223 Best value |
| CPU Description | Octa-core CPU with 2 Cortex-A75 cores and 6 Cortex-A55 cores, all at 1.8 GHz. | Octa-core CPU with 2 Cortex-A75 cores and 6 Cortex-A55 cores, all clocked at 1.8 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 4 GB | 4 GB |
| RAM Type | LPDDR4X | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v9 | v9 |
Design
| Specification | C21Y | C30 |
|---|---|---|
| Body Colors | Black, Blue, Cyan | Blue, Green, Silver |
| Body Thickness | 9.1 mm | 8.5 mm Best value |
| Body Width | 76 mm | 75.6 mm |
| Body Height | 164.5 mm | 164.1 mm |
| Weight | 200 g | 182 g Best value |
| Usable Surface | 81.6 % | 82.2 % Best value |
| Body Materials | Glass, Plastic | Glass, Plastic |
Battery
| Specification | C21Y | C30 |
|---|---|---|
| Battery Capacity | 5,000 mAh | 5,000 mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 10 W | 10 W |
| Battery Features | Reverse Charging, Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable Best value | Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator |
Display
| Specification | C21Y | C30 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 400 nits | 400 nits |
| Display Diagonal | 6.5″ | 6.5″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,600 px | 1,600 px |
| Display Pixel Density | 270 ppi | 270 ppi |
| Display Refresh Rate | 60 Hz | 60 Hz |
| Touch Sampling Rate | — | 120 Hz |
| Display Contrast Ratio | — | 1,500 :1 |
| Display Features | Water Drop Notch, Curved Glass, Capacitive Touch, Multi-Touch, TÜV Rheinland Eye Comfort Certification | IPS LCD, Water Drop Notch, Curved Glass, Capacitive Touch, Multi-Touch, Frameless, Touchscreen |
Sensors
| Specification | C21Y | C30 |
|---|---|---|
| Fingerprint Sensor Placement | Rear | — |
Sensor
| Specification | C21Y | C30 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Light Sensor | Accelerometer, Proximity Sensor, Compass, Gyroscope, Light Sensor, Fingerprint Sensor |
Software
| Specification | C21Y | C30 |
|---|---|---|
| Operating System | Android 11 | Android 11 |
| OS Family | Android | Android |
| OS Version | 11 | 11 |
| Google Services | Yes | Yes |
Connectivity
| Specification | C21Y | C30 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 3G UMTS B2, 3G UMTS B3, 3G UMTS B7, 3G UMTS B28A, 3G UMTS B38, 3G UMTS B40, 3G UMTS B41, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B28A, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n, Wi-Fi Hotspot | Wi-Fi Hotspot, Wi-Fi 802.11 b/g/n |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE, EDR | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, microUSB, USB Charging, USB OTG, USB Mass Storage, Computer Sync, OTA Sync, FM Radio, Tethering, VoLTE | 3.5 mm Audio Jack, FM Radio, microUSB, USB Charging, USB Mass Storage, USB OTG, Computer Sync, OTA Sync, Tethering, VoLTE, Infrared |
| USB Version | microUSB | microUSB |
| SAR American Head | — | 1.02 W/kg |
| SAR American Body | — | 0.68 W/kg |
| Max. download speed | 300 Mbps | 300 Mbps |
| Max. upload speed | 100 Mbps | 100 Mbps |
Audio
| Specification | C21Y | C30 |
|---|---|---|
| Audio Features | A2DP, LE, Stereo Speakers, EDR Best value | A2DP, LE, Loudspeaker |
Technical
| Specification | C21Y | C30 |
|---|---|---|
| Model numbers | RMX3261, RMX3263 | RMX3581, RMX3623 |