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Brand | xiaomi | vivo | |
Model | xiaomi redmi 9a sport | vivo v21s | |
Announced | 2021 September 28 | 2022 November 17 | |
Status | Available. Released 2021 September 28 | Available. Released 2022 November 17 | |
Device Body | |||
Dimensions | 164.9 x 77.1 x 9 mm ( 6.49 x 3.04 x 0.35 in ) | 159.7 x 73.9 x 7.3 mm or 7.4 mm | |
Weight in gram | 194 | 176 | |
SIM card | dual SIM ( Nano-SIM | dual stand-by ) | Hybrid dual SIM ( Nano-SIM | dual stand-by ) | |
Water Resistance | water repellent coating | No | |
Display type | IPS LCD | 400 Luminance units ( typ ) | AMOLED | 90hz | hdr10+ | 500 Luminance units ( typ ) | 800 Luminance units ( hbmillion) | |
Display resolution | 720 x 1600 pixels | 20 : 9 ratio ( ~269 pixel per inch density ) | 1080 x 2404 pixels | 20 : 9 ratio ( ~409 pixel per inch density ) | |
Display size | 6.53 inches | 102.9 cm2 ( ~81.0% screen to body ratio ) | 6.44 inches | 100.0 cm2 ( ~84.7% screen to body ratio ) | |
Display Protection | |||
Operating System | android 10 | miui 12 | android 12 | funtouch 12 | |
CPU | Octa-core ( 4x2.0 GHz cortex-a53 & 4x1.5 GHz cortex-a53 ) | Octa-core ( 2x2.4 GHz cortex-a76 & 6x2.0 GHz cortex-a55 ) | |
Chipset | mediatek mt6762g helio g25 ( 12 nm ) | mediatek dimensity 800u ( 7 nm ) | |
GPU | powervr ge8320 | mali-g57 mc3 | |
Memory card | microsdxc ( dedicated slot ) | microsdxc ( uses shared sim slot ) | |
Memory v1 | 32gb 2gb RAM | 128gb 8gb RAM | |
Memory v2 | 32gb 3gb RAM | ||
Primary camera | 13 megapixel| lens aperture2.2 | 28mm ( wide ) | 1.0µm | phase detection autofocus | 64 megapixel| lens aperture1.8 | 26mm ( wide ) | 0.7µm | phase detection autofocus | OIS 8 megapixel| lens aperture2.2 | 120˚ | 16mm ( ultrawide ) | 1/4.0" | 1.12µm 2 megapixel| lens aperture2.4 | ( macro ) | |
Secondary camera | 5 megapixel| lens aperture2.2 | ( wide ) | 1.12µm | 44 megapixel| lens aperture2.0 | ( wide ) | Auto focus | OIS | |
Loud speaker | Yes | Yes | |
Audio jack | Yes | No | |
WLAN | Wi-Fi 802.11 a/b/g/n | Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac | dual-band | |
Bluetooth | 5.0 | a2dp | le | 5.1.0 | a2dp | le | |
GPS | |||
NFC | No | Yes | |
Radio | FM Radio | No | |
USB | microusb 2.0 | otg | USB Type-C 2.0 | otg | |
Sensors | accelerometer | proximity | fingerprint ( under display | optical ) | accelerometer | gyroscope | proximity | compass | |
Battery | li-po 5000 mAh | Non-removable | 4000 mAh | Non-removable | |
Battery Charge | 10w wired | 33w wired | 63% in 30 min ( advertised ) | |
Colors | black color gradations, green color gradations, blue color gradations | blue color gradations, gradient color | |
Network technology | gsm / hspa / lte | gsm / hspa / lte / 5g | |
5G bands | 1 | 3 | 7 | 8 | 28 | 40 | 41 | 78 sa/nsa | ||
Network speed | hspa lte-a | hspa lte-a 5g | |
GPRS | |||
EDGE | |||
Approx price |
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