Side-by-side technical data
Realme C31 vs vivo Y12a
Comparison between Realme C31 and vivo Y12a: camera, battery, fast charging, display, performance and colors, side by side. More phones from Realme and vivo.
The verdict
Your pick: Realme C31, ahead on Performance & hardware and Connectivity. Unless Battery & charging decides it for you.
| Category | C31 | Y12a |
|---|---|---|
| Design & display | 4.5 | 4.8 |
| Performance & hardware | 2.8 | 2.5 |
| Camera | 3.0 | 3.0 |
| Connectivity | 4.9 | 4.6 |
| Battery & charging | 5.1 | 5.8 |
Which one is for you?
Realme C31, if you care about…
- RAM Capacity
- 4 GB
- against 3 GB
- Storage Type
- UFS 2.2
- against eMMC 5.1
- Bluetooth Version
- Bluetooth 5.0
- against Bluetooth 4.2
- Maximum Storage Capacity
- 64 GB
- against 32 GB
vivo Y12a, if you care about…
- Weight
- 191 g
- against 197 g
- Battery Features
- Fast Charging, Reverse Charging, Battery Level Indicator, Rechargeable
- against Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable
Specification comparison
Performance
| Specification | C31 | Y12a |
|---|---|---|
| Processor Model | Unisoc T612 | Qualcomm Snapdragon 439 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | Mali-G57 MP1 | Qualcomm Adreno 505 |
| Storage Type | UFS 2.2 Best value | eMMC 5.1 |
| Maximum CPU Clock | 1.8 GHz | 1.95 GHz Best value |
| Maximum Storage Capacity | 64 GB Best value | 32 GB |
| AnTuTu Score | 224,223 | — |
| Geekbench 6 Single-Core | — | 199 |
| Geekbench 6 Multi-Core | — | 795 |
| CPU Description | Octa-core CPU with 2 Cortex-A75 cores and 6 Cortex-A55 cores at 1.8 GHz. | Octa-core CPU with four Cortex-A53 cores at 1.95 GHz and four Cortex-A53 cores at 1.45 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 4 GB Best value | 3 GB |
| RAM Type | LPDDR4X Best value | DDR3 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v9 | — |
Design
| Specification | C31 | Y12a |
|---|---|---|
| Body Colors | Silver, Green | Black, Blue |
| Body Thickness | 8.4 mm | 8.4 mm |
| Body Width | 76.1 mm | 76.3 mm |
| Body Height | 164.7 mm | 164.4 mm |
| Weight | 197 g | 191 g Best value |
| Usable Surface | 81.4 % | 81.6 % Best value |
| Body Materials | Glass, Plastic | Glass, Plastic |
Battery
| Specification | C31 | Y12a |
|---|---|---|
| Battery Capacity | 5,000 mAh | 5,000 mAh |
| Battery Type | Li-Polymer | — |
| Fast Charge Power | 10 W | 10 W |
| Battery Features | Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable | Fast Charging, Reverse Charging, Battery Level Indicator, Rechargeable Best value |
Display
| Specification | C31 | Y12a |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 400 nits | — |
| Display Diagonal | 6.5″ | 6.51″ Best value |
| 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 | — |
| Touch Sampling Rate | 120 Hz | — |
| Display Contrast Ratio | 1,500 :1 | — |
| Display Features | Panda Glass, Water Drop Notch, Capacitive Touch, Multi-Touch, Frameless | IPS LCD, Touchscreen |
Sensors
| Specification | C31 | Y12a |
|---|---|---|
| Fingerprint Sensor Placement | Side | Side |
Sensor
| Specification | C31 | Y12a |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Light Sensor, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass |
Software
| Specification | C31 | Y12a |
|---|---|---|
| Operating System | Android 11 | Android 11 |
| OS Family | Android | Android |
| OS Version | 11 | 11 |
| Google Services | Yes | — |
Connectivity
| Specification | C31 | Y12a |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM |
| Cellular Bands | 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 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 B5, 3G UMTS B8, 3G UMTS B1, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B38, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, 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) | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g/n/ac |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n, Wi-Fi Hotspot | Dual Band, Wi-Fi Direct |
| 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, GLONASS, Galileo, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, microUSB, Computer Sync, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage, USB OTG | 3.5 mm Audio Jack, FM Radio, microUSB, USB OTG, USB Type-C |
| USB Version | USB 2.0 | microUSB |
| Max. download speed | 300 Mbps Best value | 150 Mbps |
| Max. upload speed | 100 Mbps Best value | 75 Mbps |
Audio
| Specification | C31 | Y12a |
|---|---|---|
| Audio Features | A2DP, LE, EDR | A2DP, Loudspeaker |
Technical
| Specification | C31 | Y12a |
|---|---|---|
| Model numbers | RMX3501 | V2102 |