Side-by-side technical data
Realme C21 vs Realme Narzo 10A
Comparison between Realme C21 and Realme Narzo 10A: 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 10A |
|---|---|---|
| Design & display | 4.6 | 5.4 |
| Performance & hardware | 2.5 | 2.5 |
| Camera | 3.0 | 3.5 |
| Connectivity | 4.9 | 4.6 |
| Battery & charging | 5.8 | 5.1 |
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, Wi-Fi 4 (802.11n)
- Battery Features
- Fast Charging, Reverse Charging, Non-Removable, Rechargeable, Battery Level Indicator
- against Non-Removable, Rechargeable, Fast Charging, Battery Level Indicator
- Display Contrast Ratio
- 1,500 :1
- against 800 :1
Realme Narzo 10A, if you care about…
- AnTuTu Score
- 194,170
- against 110,490
- Display Refresh Rate
- 120 Hz
- against 60 Hz
- Peak Display Brightness
- 480 nits
- against 400 nits
- Usable Surface
- 84 %
- against 80.8 %
Specification comparison
Performance
| Specification | C21 | Narzo 10A |
|---|---|---|
| Processor Model | MediaTek Helio G35 | MediaTek Helio G70 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | PowerVR GE8320 | Mali-G52 2EEMC2 |
| 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 | 194,170 Best value |
| Geekbench 6 Single-Core | 189 | 417 Best value |
| Geekbench 6 Multi-Core | 810 | 1,345 Best value |
| 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 2x Cortex-A75 at 2.0 GHz and 6x Cortex-A55 at 1.7 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 10A |
|---|---|---|
| Body Colors | Black, Blue | Blue, White |
| Body Thickness | 8.9 mm Best value | 9 mm |
| Body Width | 76.4 mm | 75 mm |
| Body Height | 165.2 mm | 164.4 mm |
| Weight | 190 g Best value | 195 g |
| Usable Surface | 80.8 % | 84 % Best value |
| Body Materials | Glass, Plastic | Glass, Plastic |
| Resistance Features | — | Water Resistant |
Battery
| Specification | C21 | Narzo 10A |
|---|---|---|
| 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 Best value | Non-Removable, Rechargeable, Fast Charging, Battery Level Indicator |
Display
| Specification | C21 | Narzo 10A |
|---|---|---|
| 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 | 120 Hz Best value |
| Touch Sampling Rate | 120 Hz | 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, Frameless, Touchscreen |
Sensors
| Specification | C21 | Narzo 10A |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Rear |
Sensor
| Specification | C21 | Narzo 10A |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gravity Sensor, Light Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gravity Sensor, Light Sensor |
Software
| Specification | C21 | Narzo 10A |
|---|---|---|
| Operating System | Android 10 | Android 10 |
| OS Family | Android | Android |
| OS Version | 10 | 10 |
| Google Services | Yes | Yes |
Connectivity
| Specification | C21 | Narzo 10A |
|---|---|---|
| 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 B850, 3G UMTS B900, 3G UMTS 2100, 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, 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 4 (802.11n) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi Hotspot, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE, EDR | A2DP, LE, EDR |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| 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, Computer Sync, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage, USB OTG, NFC |
| USB Version | USB 2.0 | microUSB |
| SAR American Head | — | 1.13 W/kg |
| SAR American Body | — | 0.69 W/kg |
| SAR (EU) head | 0.74 W/kg | — |
| SAR (EU) body | 1.151 W/kg | — |
| Max. download speed | 42.2 Mbps | 300 Mbps Best value |
| Max. upload speed | 5.76 Mbps | 100 Mbps Best value |
Audio
| Specification | C21 | Narzo 10A |
|---|---|---|
| Microphone Count | 1 | 2 Best value |
| Audio Features | A2DP, LE, EDR, Loudspeaker | A2DP, LE, EDR, Loudspeaker |
Technical
| Specification | C21 | Narzo 10A |
|---|---|---|
| Model numbers | RMX3201 | RMX2020 |
