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Brand | realme | realme | |
Model | realme c21 | realme q2i | |
Announced | 2021 March 05 | 2020 October 13 | |
Status | Available. Released 2021 March 05 | Available. Released 2020 October 21 | |
Device Body | glass front | plastic back | plastic frame | ||
Dimensions | 165.2 x 76.4 x 8.9 mm ( 6.50 x 3.01 x 0.35 in ) | 164.4 x 76 x 8.6 mm ( 6.47 x 2.99 x 0.34 in ) | |
Weight in gram | 190 | 189.5 | |
SIM card | dual SIM ( Nano-SIM | dual stand-by ) | dual SIM ( Nano-SIM | dual stand-by ) | |
Water Resistance | No | No | |
Display type | IPS LCD | 400 Luminance units ( typ ) | IPS LCD | |
Display resolution | 720 x 1600 pixels | 20 : 9 ratio ( ~270 pixel per inch density ) | 720 x 1600 pixels | 20 : 9 ratio ( ~270 pixel per inch density ) | |
Display size | 6.5 inches | 102.0 cm2 ( ~80.8% screen to body ratio ) | 6.5 inches | 102.0 cm2 ( ~81.6% screen to body ratio ) | |
Display Protection | |||
Operating System | android 10 | realme ui | android 10 | realme ui | |
CPU | Octa-core ( 4x2.3 GHz cortex-a53 & 4x1.8 GHz cortex-a53 ) | Octa-core ( 2x2.0 GHz cortex-a76 & 6x2.0 GHz cortex-a55 ) | |
Chipset | mediatek mt6765g helio g35 ( 12 nm ) | mediatek mt6853v dimensity 720 5g ( 7 nm ) | |
GPU | powervr ge8320 | mali-g57 mc3 | |
Memory card | microsdxc ( dedicated slot ) | No | |
Memory v1 | 32gb 3gb RAM | 128gb 4gb RAM | |
Memory v2 | 64gb 4gb RAM | ||
Primary camera | 13 megapixel| lens aperture2.2 | 26mm ( wide ) | 1/3.06" | 1.12µm | phase detection autofocus 2 megapixel| lens aperture2.4 | ( macro ) -- | 13 megapixel| lens aperture2.2 | 26mm ( wide ) | phase detection autofocus 2 megapixel| lens aperture2.4 | ( macro ) 2 megapixel| lens aperture2.4 | ( depth ) | |
Secondary camera | 5 megapixel| lens aperture2.2 | ( wide ) | 1/5.0" | 1.12µm | 8 megapixel| lens aperture2.0 | 26mm ( wide ) | |
Loud speaker | Yes | Yes | |
Audio jack | Yes | Yes | |
WLAN | Wi-Fi 802.11 b/g/n | hotspot | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot | |
Bluetooth | 5.0 | a2dp | le | 5.0 | a2dp | le | |
GPS | Yes with a-gps glonass bds | Yes with a-gps glonass galileo bds | |
NFC | No | No | |
Radio | FM Radio | No | |
USB | microusb 2.0 | USB on-the-go | USB Type-C 2.0 | |
Sensors | fingerprint ( rear-mounted ) | accelerometer | proximity | compass | fingerprint ( rear-mounted ) | accelerometer | proximity | compass | |
Battery | li-po 5000 mAh | Non-removable | li-po 5000 mAh | Non-removable | |
Battery Charge | reverse charging | Fast charging 18w | |
Colors | black color gradations, blue color gradations | blue, silver | |
Network technology | gsm / hspa / lte | gsm / cdma / hspa / evdo / lte / 5g | |
5G bands | 1 | 41 | 77 | 78 | 79 sa/nsa | ||
Network speed | hspa 42.2/5.76 mbps lte | hspa 42.2/5.76 mbps lte-a (ca) 5g 2.3 gbps dl | |
GPRS | |||
EDGE | |||
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