Xiaomi Black Shark 2 vs Vivo Y21

Network
TechnologyGSM / CDMA / HSPA / EVDO / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
3G bandsHSDPA 850 / 900 / 1900 / 2100
CDMA2000 1xEV-DO
4G bandsLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
SpeedHSPA, LTE-A (3CA)
GPRSYes
EDGEYes
Launch
Announced2019, March
StatusAvailable. Released 2019, March
Body
Dimensions163.6 x 75 x 8.8 mm (6.44 x 2.95 x 0.35 in)
Weight205 g (7.23 oz)
SIMDual SIM (Nano-SIM, dual stand-by)
Display for Xiaomi Black Shark 2
TypeAMOLED capacitive touchscreen, 16M colors
Size6.39 inches, 100.2 cm2 (~81.7% screen-to-body ratio)
Resolution1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Always-on display
100% DCI-P3
Platform
OSAndroid 9.0 (Pie)
ChipsetQualcomm SDM855 Snapdragon 855 (7 nm)
CPUOcta-core (1x2.84 GHz Kryo 485 & 3x2.41 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU640
Memory
Card slotNo
Internal256 GB, 8/12 GB RAM, 128 GB, 6/8 GB RAM
Main Camera
Dual48 MP, f/1.8, 1/2", 0.8µm, PDAF
12 MP, f/2.2, (telephoto), 1.0µm, PDAF, 2x optical zoom
FeaturesLED flash, HDR, panorama
Video2160p@30fps, 1080p@30fps, 720p@120fps
Selfie camera
Single20 MP, f/2.0, 0.9µm
FeaturesHDR
Video1080p@30fps
Sound
LoudspeakerYes, with stereo speakers
3.5mm jackNo
Active noise cancellation with dedicated mic
Comms
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
Bluetooth5.0, A2DP, aptX HD, LE
GPSYes, with A-GPS, GLONASS, BDS
RadioNo
USB2.0, Type-C 1.0 reversible connector
Features
SensorsFingerprint (under display), accelerometer, gyro, proximity, compass
Battery
Non-removable Li-Ion 4000 mAh battery
ChargingFast battery charging 27W
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VIVO Y21

Rs. 59,699

Vivo Y21
Network
TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 38, 40, 41
SpeedHSPA 42.2/5.76 Mbps, LTE
Launch
Announced2021, August 20
StatusAvailable. Released 2021, August 20
Body
Dimensions164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in)
Weight182 g (6.42 oz)
SIMDual SIM (Nano-SIM, dual stand-by)
Display for Vivo Y21
TypeIPS LCD
Size6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio)
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Platform
OSAndroid 11, Funtouch 11.1
ChipsetMediatek MT6765 Helio P35 (12nm)
CPUOcta-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPUPowerVR GE8320
Memory
Card slotmicroSDXC (dedicated slot)
Internal64GB 4GB RAM, 128GB 4GB RAM
Main Camera
Dual13 MP, f/2.2, (wide), PDAF
2 MP, f/2.4, (macro)
FeaturesLED flash
Video1080p@30fps
Selfie camera
Single8 MP, f/2.0, (wide)
Video1080p@30fps
Sound
LoudspeakerYes
3.5mm jackYes
Comms
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
NFCNo
RadioFM radio
USBUSB Type-C 2.0, USB On-The-Go
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
TypeLi-Po 5000 mAh, non-removable
ChargingFast charging 18W

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