Side-by-side technical data
Realme C3i vs Realme C21Y
Comparison between Realme C3i and Realme C21Y: camera, battery, fast charging, display, performance and colors, side by side. More phones from Realme.
The verdict
Neither runs away with it: each wins something.
| Category | C3i | C21Y |
|---|---|---|
| Design & display | 4.5 | 4.4 |
| Performance & hardware | 2.3 | 2.3 |
| Camera | 3.5 | 3.0 |
| Connectivity | 4.2 | 4.3 |
| Battery & charging | 5.1 | 5.8 |
Which one is for you?
Realme C3i, if you care about…
- Peak Display Brightness
- 480 nits
- against 400 nits
Realme C21Y, if you care about…
- RAM Capacity
- 4 GB
- against 2 GB
- Maximum Storage Capacity
- 64 GB
- against 32 GB
- Battery Features
- Reverse Charging, Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable
- against Fast Charging, Battery Level Indicator, Rechargeable
- OS Version
- 11
- against 10
Specification comparison
Performance
| Specification | C3i | C21Y |
|---|---|---|
| Processor Model | MediaTek Helio G70 | Unisoc T610 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | Mali-G52 2EEMC2 | Mali-G52 MP2 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2 GHz Best value | 1.8 GHz |
| Maximum Storage Capacity | 32 GB | 64 GB Best value |
| AnTuTu Score | 192,223 | 196,316 |
| Geekbench 6 Single-Core | 417 | — |
| Geekbench 6 Multi-Core | 1,345 | — |
| CPU Description | Octa-core CPU with 2x Cortex-A75 at 2.0 GHz and 6x Cortex-A55 at 1.7 GHz | Octa-core CPU with 2 Cortex-A75 cores and 6 Cortex-A55 cores, all at 1.8 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 2 GB | 4 GB Best value |
| RAM Type | DDR4 | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | v9 |
Design
| Specification | C3i | C21Y |
|---|---|---|
| Body Colors | Blue, Red | Black, Blue, Cyan |
| Body Thickness | 9 mm Best value | 9.1 mm |
| Body Width | 75 mm | 76 mm |
| Body Height | 164.4 mm | 164.5 mm |
| Weight | 195 g Best value | 200 g |
| Usable Surface | 82.7 % Best value | 81.6 % |
| Body Materials | Glass, Plastic | Glass, Plastic |
| Resistance Features | Water Resistant | — |
Battery
| Specification | C3i | C21Y |
|---|---|---|
| Battery Capacity | 5,000 mAh | 5,000 mAh |
| Battery Type | — | Li-Polymer |
| Fast Charge Power | 10 W | 10 W |
| Battery Features | Fast Charging, Battery Level Indicator, Rechargeable | Reverse Charging, Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable Best value |
Display
| Specification | C3i | C21Y |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 480 nits Best value | 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 |
| Display Features | Gorilla Glass 3, IPS LCD, Touchscreen | Water Drop Notch, Curved Glass, Capacitive Touch, Multi-Touch, TÜV Rheinland Eye Comfort Certification |
Sensors
| Specification | C3i | C21Y |
|---|---|---|
| Fingerprint Sensor Placement | — | Rear |
Sensor
| Specification | C3i | C21Y |
|---|---|---|
| Sensor Features | Accelerometer, Proximity Sensor, Compass, Fingerprint Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Light Sensor |
Software
| Specification | C3i | C21Y |
|---|---|---|
| Operating System | Android 10 | Android 11 |
| OS Family | Android | Android |
| OS Version | 10 | 11 Best value |
| Google Services | — | Yes |
Connectivity
| Specification | C3i | C21Y |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM |
| Cellular Bands | 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 B3, 4G LTE B5, 4G LTE B8, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 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 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G | GSM, HSPA, UMTS, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n), Wi-Fi 802.11 b/g/n |
| Wi-Fi Features | — | Wi-Fi 802.11 b/g/n, Wi-Fi Hotspot |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE, aptX | A2DP, LE, EDR |
| Navigation Systems | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo Best value |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, NFC, microUSB, USB OTG, USB Charging | 3.5 mm Audio Jack, microUSB, USB Charging, USB OTG, USB Mass Storage, Computer Sync, OTA Sync, FM Radio, Tethering, VoLTE |
| USB Version | microUSB | microUSB |
| Max. download speed | 300 Mbps | 300 Mbps |
| Max. upload speed | 100 Mbps | 100 Mbps |
Audio
| Specification | C3i | C21Y |
|---|---|---|
| Microphone Count | 2 | — |
| Audio Features | A2DP, LE, aptX, Loudspeaker | A2DP, LE, Stereo Speakers, EDR Best value |
Technical
| Specification | C3i | C21Y |
|---|---|---|
| Model numbers | RMX2027, RMX2020 | RMX3261, RMX3263 |
