Side-by-side technical data
Realme C21 vs Realme Narzo 20A
Comparison between Realme C21 and Realme Narzo 20A: 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 | C21 | Narzo 20A |
|---|---|---|
| Design & display | 4.6 | 4.7 |
| Performance & hardware | 2.5 | 2.5 |
| Camera | 3.0 | 3.5 |
| Connectivity | 4.9 | 3.8 |
| Battery & charging | 5.8 | 6.0 |
Which one is for you?
Realme C21, if you care about…
- Wi-Fi Standards
- Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- against Wi-Fi 802.11 b/g/n
- Bluetooth Version
- Bluetooth 5.0
- against Bluetooth 4.2
- Display Contrast Ratio
- 1,500 :1
- against 800 :1
Realme Narzo 20A, if you care about…
- AnTuTu Score
- 170,500
- against 110,490
- Peak Display Brightness
- 480 nits
- against 400 nits
- Battery Features
- Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable, Reverse Wireless Charging
- against Fast Charging, Reverse Charging, Non-Removable, Rechargeable, Battery Level Indicator
- Audio Features
- A2DP, Stereo Speakers, Loudspeaker
- against A2DP, LE, EDR, Loudspeaker
Specification comparison
Performance
| Specification | C21 | Narzo 20A |
|---|---|---|
| Processor Model | MediaTek Helio G35 | Qualcomm Snapdragon 665 |
| Processor Process Size | 12 nm | 11 nm Best value |
| Graphics GPU | PowerVR GE8320 | Qualcomm Adreno 610 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2.3 GHz Best value | 2 GHz |
| Maximum Storage Capacity | 64 GB | 64 GB |
| AnTuTu Score | 110,490 | 170,500 Best value |
| Geekbench 6 Single-Core | 189 | — |
| Geekbench 6 Multi-Core | 810 | — |
| CPU Description | Octa-core processor with four Cortex-A53 cores at 2.3 GHz and four Cortex-A53 cores at 1.8 GHz. | Octa-core CPU with four Kryo 260 Gold cores at 2.0 GHz and four Kryo 260 Silver cores 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 | v8 | v8 |
Design
| Specification | C21 | Narzo 20A |
|---|---|---|
| Body Colors | Black, Blue | Silver, Blue |
| Body Thickness | 8.9 mm | 8.9 mm |
| Body Width | 76.4 mm | 75.4 mm |
| Body Height | 165.2 mm | 164.4 mm |
| Weight | 190 g Best value | 195 g |
| Usable Surface | 80.8 % | 82.3 % Best value |
| Body Materials | Glass, Plastic | Plastic |
Battery
| Specification | C21 | Narzo 20A |
|---|---|---|
| Battery Capacity | 5,000 mAh | 5,000 mAh |
| Battery Type | Lithium | Li-Polymer |
| Fast Charge Power | 10 W | 10 W |
| Battery Features | Fast Charging, Reverse Charging, Non-Removable, Rechargeable, Battery Level Indicator | Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable, Reverse Wireless Charging Best value |
Display
| Specification | C21 | Narzo 20A |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 400 nits | 480 nits Best value |
| 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 Best value | 800 :1 |
| Display Features | IPS LCD, Water Drop Notch, TÜV Rheinland Eye Comfort Certification, Scratch Resistant, Curved Glass, Capacitive Touch, Multi-Touch, Frameless, Touchscreen | Gorilla Glass 3, Water Drop Notch, Capacitive Touch, Multi-Touch, Scratch Resistant, Touchscreen |
Sensors
| Specification | C21 | Narzo 20A |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Rear |
Sensor
| Specification | C21 | Narzo 20A |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gravity Sensor, Light Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Light Sensor |
Software
| Specification | C21 | Narzo 20A |
|---|---|---|
| Operating System | Android 10 | Android 10 |
| OS Family | Android | Android |
| OS Version | 10 | 10 |
| Google Services | Yes | Yes |
Connectivity
| Specification | C21 | Narzo 20A |
|---|---|---|
| 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 B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 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 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 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 802.11 b/g/n, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) Best value | Wi-Fi 802.11 b/g/n |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi 802.11 b/g/n | Wi-Fi Direct, Wi-Fi Hotspot, Wi-Fi 802.11 b/g/n |
| Bluetooth Version | Bluetooth 5.0 Best value | Bluetooth 4.2 |
| Bluetooth Profiles | A2DP, LE, EDR | A2DP |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo Best value | GPS, A-GPS, GLONASS, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, Computer Sync, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage, USB OTG | 3.5 mm Audio Jack, FM Radio, microUSB, USB Charging, USB Mass Storage, USB OTG, Computer Sync, OTA Sync, Tethering, VoLTE |
| USB Version | USB 2.0 | microUSB |
| SAR American Head | — | 0.63 W/kg |
| SAR American Body | — | 1.18 W/kg |
| SAR (EU) head | 0.74 W/kg | — |
| SAR (EU) body | 1.151 W/kg | — |
| Max. download speed | 42.2 Mbps | 42.2 Mbps |
| Max. upload speed | 5.76 Mbps | 5.76 Mbps |
Audio
| Specification | C21 | Narzo 20A |
|---|---|---|
| Microphone Count | 1 | 1 |
| Audio Features | A2DP, LE, EDR, Loudspeaker | A2DP, Stereo Speakers, Loudspeaker Best value |
Technical
| Specification | C21 | Narzo 20A |
|---|---|---|
| Model numbers | RMX3201 | RMX2050 |
