| Specifications | Lava Z81 | Realme C21Y |
| Price | 5840.0 | 6539.0 |
| Battery | 3000 mAh | 5000 mAh |
| Display | 5.7 inches (14.48 cm) | 6.5 inches (16.51 cm) |
| Camera | 13 MP And 13 MP | 13 MP + 2 MP + 2 MP And 5 MP |
| Operating System | Android v8.1 (Oreo) | Android v11 |
Battery |
|
| 3000 mAh | 5000 mAh |
Display |
|
| 5.7 inches (14.48 cm) | 6.5 inches (16.51 cm) |
Front Camera |
|
| 13 MP | 5 MP |
Processor |
|
| MediaTek Helio A22 | Unisoc T610 |
RAM |
|
| 3 GB | 3 GB |
Rear Camera |
|
| 13 MP | 13 MP + 2 MP + 2 MP |
Capacity |
|
| 3000 mAh | 5000 mAh |
Removable |
|
| No | No |
Standby time |
|
| Up to 319 Hours(2G) | - |
TalkTime |
|
| Up to 19.3 Hours(3G) | - |
Type |
|
| Li-Polymer | Li-ion |
USB Type-C |
|
| No | No |
Colours |
|
| Black, Gold | Cross Blue, Cross Black |
Height |
|
| 152.2 mm | 164.5 mm |
Thickness |
|
| 7.9 mm | 9.1 mm |
Weight |
|
| 141.6 grams | 200 grams Below |
Width |
|
| 73 mm | 76 mm |
Aspect Ratio |
|
| 18:9 | 20:9 |
Bezel-less display |
|
| Yes | Yes with waterdrop notch |
Brightness |
|
| - | 420 nits |
Display Type |
|
| IPS LCD | IPS LCD |
Pixel Density |
|
| 282 ppi | 270 ppi |
Refresh Rate |
|
| - | 60 Hz |
Resolution |
|
| 720x1440 px (HD+) | 720x1600 px (HD+) |
Screen Protection |
|
| Corning Gorilla Glass v3 | - |
Screen Size |
|
| 5.7 inches (14.48 cm) | 6.5 inches (16.51 cm) |
Screen to Body Ratio (calculated) |
|
| 75.46 % | 81.59 % |
Screen to Body Ratio (claimed by the brand) |
|
| - | 88.7 % |
Touch Screen |
|
| Yes, Capacitive Touchscreen, Multi-touch | Yes, Capacitive Touchscreen, Multi-touch |
Camera Features |
|
| - | Fixed Focus |
Camera Setup |
|
| - | Single |
Resolution |
|
| - | 5 MP f/2.2, Wide Angle, Primary Camera(5.0" sensor size, 1.12µm pixel size) |
Sensor |
|
| - | CMOS |
Video Recording |
|
| - | 1280x720 @ 30 fps |
Brand |
|
| Lava | realme |
Custom UI |
|
| Star OS | Realme UI |
Launch Date |
|
| November 2, 2018 (Official) | August 30, 2021 (Official) |
Operating System |
|
| Android v8.1 (Oreo) | Android v11 |
Autofocus |
|
| Yes | Yes, Phase Detection autofocus |
Camera Features |
|
| Digital Zoom Auto Flash Face detection Touch to focus | 4 x Digital Zoom Auto Flash Face detection Touch to focus |
Camera Setup |
|
| Single | Triple |
Flash |
|
| Yes, LED Flash | Yes, LED Flash |
Image Resolution |
|
| 4128 x 3096 Pixels | 4128 x 3096 Pixels |
Resolution |
|
| 13 MP, Primary Camera | 13 MP f/2.2, Wide Angle (80° field-of-view), Primary Camera(25.5 mm focal length, 3" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera(21.8 mm focal length, 5.0" sensor size, 1.75µm pixel size)2 MP f/2.4(21.8 mm focal length, 5.0" sensor size, 1.75µm pixel size) |
Sensor |
|
| - | CMOS image sensor |
Settings |
|
| Exposure compensation, ISO control | Exposure compensation, ISO control |
Shooting Modes |
|
| Continuous Shooting High Dynamic Range mode (HDR) | Continuous Shooting High Dynamic Range mode (HDR) |
Video Recording |
|
| - | 1920x1080 @ 30 fps |
Audio Jack |
|
| 3.5 mm | 3.5 mm |
FM Radio |
|
| Yes | - |
Loudspeaker |
|
| Yes | Yes |
Bluetooth |
|
| Yes, v4.1 | Yes, v5.0 |
GPS |
|
| Yes with A-GPS, Glonass | Yes with A-GPS, Glonass |
NFC |
|
| - | No |
Network Support |
|
| 5G Not Supported in India, 4G Supported in India, 3G, 2G | 5G Not Supported in India, 4G Supported in India, 3G, 2G |
SAR Value |
|
| - | Head: 0.855 W/kg, Body: 0.674 W/kg |
SIM 1 |
|
| 4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available | 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available |
SIM 2 |
|
| 4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available | 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available |
SIM Size |
|
| SIM1: Nano, SIM2: Nano | SIM1: Nano, SIM2: Nano |
SIM Slot(s) |
|
| Dual SIM, GSM+GSM | Dual SIM, GSM+GSM |
USB Connectivity |
|
| Mass storage device, USB charging, microUSB | Mass storage device, USB charging, microUSB 2.0 |
VoLTE |
|
| Yes | Yes |
Wi-Fi |
|
| Yes, Wi-Fi 4 (802.11 b/g/n) | Yes, Wi-Fi 4 (802.11 b/g/n) |
Wi-Fi Features |
|
| Mobile Hotspot | Mobile Hotspot |
CPU |
|
| Quad core, 2 GHz, Cortex A53 | Octa core (1.8 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55) |
Chipset |
|
| MediaTek Helio A22 | Unisoc T610 |
Fabrication |
|
| - | 12 nm |
Graphics |
|
| PowerVR GE8300 | Mali-G52 |
RAM type |
|
| DDR3 | LPDDR4X |
Fingerprint Sensor |
|
| Yes | Yes |
Fingerprint Sensor Position |
|
| Rear | Rear |
Other Sensors |
|
| Light sensor, Proximity sensor, Accelerometer | Light sensor, Proximity sensor, Accelerometer |
Expandable Memory |
|
| Yes, Up to 128 GB | Yes, Up to 256 GB |
Internal Memory |
|
| 32 GB | 32 GB |
Storage Type |
|
| - | eMMC 5.1 |
USB OTG |
|
| Yes | Yes |
This is a relative score calculated on the basis of the following specifications:
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