| Xiaomi Redmi K40 |
Samsung Galaxy A12 |
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| Hardware and OS | Xiaomi Redmi K40 | Samsung Galaxy A12 |
| Operating System | Android v11 | Android v10 (Q) |
| Processor | Octa core (3.2 GHz, Single core, Kryo 585 2.42 GHz, Tri core, Kryo 585 1.8 GHz, Quad core, Kryo 585) | Octa core, 2.3 GHz, Cortex A53 |
| Chipset | Qualcomm Snapdragon 870 | MediaTek Helio P35 |
| RAM | 6 GB | 4 GB |
| Internal Memory | 128 GB | 64 GB |
| Expandable Memory | No | Yes, Up to 1 TB |
| Custom UI | MIUI | Samsung One UI |
| Graphics | Adreno 650 | PowerVR GE8320 |
| Display | Xiaomi Redmi K40 | Samsung Galaxy A12 |
| Screen Size | 6.67 inches (16.94 cm) | 6.5 inches (16.51 cm) |
| Resolution | 1080 x 2400 pixels | 720 x 1600 pixels |
| Display Type | Super AMOLED | PLS TFT LCD |
| Pixel Density | 395 ppi | 270 ppi |
| Touch Screen | Yes, Capacitive Touchscreen, Multi-touch | Yes, Capacitive Touchscreen, Multi-touch |
| Aspect Ratio | 20:9 | 20:9 |
| Screen Protection | Corning Gorilla Glass v5, | |
| Main Camera | Xiaomi Redmi K40 | Samsung Galaxy A12 |
| Resolution | 48 MP f/1.79, Wide Angle Primary Camera(26 mm focal length, 2" sensor size, 0.8µm pixel size)8 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera 5 MP f/2.4, Macro Camera(5.0" sensor size, 1.12µm pixel size) | 48 MP f/2.0 (upto 10x Digital Zoom), Wide Angle (80° field-of-view) Primary Camera(26 mm focal length)5 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera 2 MP f/2.4, Macro Camera 2 MP f/2.4, Depth Camera |
| Image Resolution | 8000 x 6000 Pixels | 8000 x 6000 Pixels |
| Flash | Yes, LED Flash | Yes, LED Flash |
| Camera Features | Digital Zoom Auto Flash Face detection Touch to focus | 10 x Digital Zoom Auto Flash Face detection Touch to focus |
| Autofocus | Yes | Yes |
| Camera Setup | Triple | Quad |
| Video Recording | 3840x2160 @ 30 fps 1920x1080 @ 30 fps | 1920x1080 @ 30 fps |
| Settings | Exposure compensation, ISO control | Exposure compensation, ISO control |
| Sensor | Exmor-RS CMOS Sensor | |
| Front Camera | Xiaomi Redmi K40 | Samsung Galaxy A12 |
| Resolution | 20 MP f/2.4, Wide Angle Primary Camera(3.4" sensor size, 0.8µm pixel size) | 8 MP f/2.2 Primary Camera |
| Flash | No | |
| Autofocus | No | |
| Camera Setup | Single | Single |
| Video Recording | 1920x1080 @ 30 fps | 1920x1080 @ 30 fps |
| Connectivity | Xiaomi Redmi K40 | Samsung Galaxy A12 |
| Network | 5G, 4G , 3G, 2G | 4G , 3G, 2G |
| SIM 1 | 4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available | 4G Bands: TD-LTE 2300(band 40) 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) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available | 4G Bands: TD-LTE 2300(band 40) 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 |
| Bluetooth | Yes, v5.1 | Yes, v5.0 |
| NFC | Yes | No |
| GPS | Yes with A-GPS, Glonass | Yes with A-GPS, Glonass |
| VoLTE | Yes | Yes |
| Wi-Fi | Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz | Yes, Wi-Fi 802.11, b/g/n |
| Wi-Fi Features | Mobile Hotspot | Wi-Fi Direct, Mobile Hotspot |
| USB Connectivity | Mass storage device, USB charging | Mass storage device, USB charging |
| Multimedia | Xiaomi Redmi K40 | Samsung Galaxy A12 |
| Audio Jack | USB Type-C | 3.5 mm |
| FM Radio | No | |
| Design | Xiaomi Redmi K40 | Samsung Galaxy A12 |
| Height | 163.7 mm | 164 mm |
| Width | 76.4 mm | 75.8 mm |
| Thickness | 7.8 mm | 8.9 mm |
| Weight | 196 grams | 205 grams |
| Build Material | Back: Plastic | |
| Colours | Glossy Black, Icy White, Dreamland | Black, Blue, White |
| Battery | Xiaomi Redmi K40 | Samsung Galaxy A12 |
| Type | Li-Polymer | Li-ion |
| Capacity | 4520 mAh | 5000 mAh |
| Removable | No | No |
| Quick Charging | Yes, Fast, 33W: 100 % in 52 minutes | Yes, Fast, 15W |
| TalkTime | Up to 34 Hours(4G) | |
| USB Type-C | Yes | Yes |
| Features | Xiaomi Redmi K40 | Samsung Galaxy A12 |
| Fingerprint Sensor | Yes | Yes |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | Light sensor, Proximity sensor, Accelerometer |
