Side-by-side technical data
Realme 7i vs vivo Y31 (2021)
Comparison between Realme 7i and vivo Y31 (2021): camera, battery, fast charging, display, performance and colors, side by side. More phones from Realme and vivo.
The verdict
Neither runs away with it: each wins something.
| Category | 7i | Y31 (2021) |
|---|---|---|
| Design & display | 4.9 | 5.8 |
| Performance & hardware | 2.8 | 3.7 |
| Camera | 5.1 | 4.2 |
| Connectivity | 5.0 | 4.8 |
| Battery & charging | 6.6 | 5.4 |
Which one is for you?
Realme 7i, if you care about…
- Battery Capacity
- 6,000 mAh
- against 5,000 mAh
- Battery Features
- Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator, Reverse Charging
- against Fast Charging, Rechargeable, Battery Level Indicator
- Max. download speed
- 390 Mbps
- against 42.2 Mbps
- Max. upload speed
- 150 Mbps
- against 5.76 Mbps
vivo Y31 (2021), if you care about…
- Display Pixel Density
- 401 ppi
- against 270 ppi
- Weight
- 188 g
- against 208 g
- Usable Surface
- 84.5 %
- against 81.7 %
- Body Thickness
- 8.4 mm
- against 9.8 mm
Specification comparison
Performance
| Specification | 7i | Y31 (2021) |
|---|---|---|
| Processor Model | MediaTek Helio G85 | Qualcomm Snapdragon 662 |
| Processor Process Size | 12 nm | 11 nm Best value |
| Graphics GPU | Mali-G52 MC2 | Qualcomm Adreno 610 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2 GHz | 2 GHz |
| Maximum Storage Capacity | 128 GB | 128 GB |
| AnTuTu Score | 225,154 | 178,300 |
| Geekbench 6 Single-Core | 339 | 339 |
| Geekbench 6 Multi-Core | 1,208 | 1,208 |
| CPU Description | Octa-core processor with 2 Cortex-A75 cores at 2.0 GHz and 6 Cortex-A55 cores at 1.8 GHz | — |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB | 8 GB |
| RAM Type | LPDDR4X | DDR4 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v10 | — |
Design
| Specification | 7i | Y31 (2021) |
|---|---|---|
| Body Colors | Silver, Blue | Black, Blue |
| Body Thickness | 9.8 mm | 8.4 mm Best value |
| Body Width | 75.9 mm | 75.3 mm |
| Body Height | 164.5 mm | 163.9 mm |
| Weight | 208 g | 188 g Best value |
| Usable Surface | 81.7 % | 84.5 % Best value |
| Body Materials | Plastic | — |
Battery
| Specification | 7i | Y31 (2021) |
|---|---|---|
| Battery Capacity | 6,000 mAh Best value | 5,000 mAh |
| Battery Type | Li-Polymer | — |
| Fast Charge Power | 18 W | 18 W |
| Battery Features | Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator, Reverse Charging Best value | Fast Charging, Rechargeable, Battery Level Indicator |
Display
| Specification | 7i | Y31 (2021) |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 560 nits | — |
| Display Diagonal | 6.5″ | 6.58″ Best value |
| Display Horizontal Resolution | 720 px | 1,080 px Best value |
| Display Vertical Resolution | 1,600 px | 2,408 px Best value |
| Display Pixel Density | 270 ppi | 401 ppi Best value |
| Display Refresh Rate | 90 Hz | — |
| Touch Sampling Rate | 120 Hz | — |
| Display Contrast Ratio | 1,500 :1 | — |
| Display Features | Water Drop Notch, Gorilla Glass 3, Curved Glass, Scratch Resistant, Capacitive Touch, Multi-Touch, Touchscreen | IPS LCD, Touchscreen |
Sensors
| Specification | 7i | Y31 (2021) |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Side |
Sensor
| Specification | 7i | Y31 (2021) |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Light Sensor, Gyroscope | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | 7i | Y31 (2021) |
|---|---|---|
| Operating System | Android 10 | Android 11 |
| OS Family | Android | Android |
| OS Version | 10 | 11 Best value |
| Google Services | Yes | — |
Connectivity
| Specification | 7i | Y31 (2021) |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS 1700 AWS, 3G UMTS B5, 3G UMTS B8, 3G UMTS 1900, 3G UMTS 2100, 3G UMTS B850, 3G UMTS B900, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 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 2100, 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, 3G, 4G | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE, aptX HD | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | USB Charging, USB Mass Storage, USB OTG, USB Type-C, 3.5 mm Audio Jack, FM Radio, Computer Sync, OTA Sync, Tethering, VoLTE | 3.5 mm Audio Jack, FM Radio, USB Type-C, USB OTG |
| USB Version | USB 2.0 | USB 2.0 |
| SAR (EU) head | 0.98 W/kg | — |
| SAR (EU) body | 1.1 W/kg | — |
| Max. download speed | 390 Mbps Best value | 42.2 Mbps |
| Max. upload speed | 150 Mbps Best value | 5.76 Mbps |
Audio
| Specification | 7i | Y31 (2021) |
|---|---|---|
| Microphone Count | 2 Best value | 1 |
| Audio Features | A2DP, LE, aptX HD, Loudspeaker | A2DP, LE, Loudspeaker |
Technical
| Specification | 7i | Y31 (2021) |
|---|---|---|
| Model numbers | — | V2036, V2036_21 |
