Vivo V21 5g vs Xiaomi Redmi K50i

Key Specs

Battery
Battery	4000 mAh	5080 mAh
Display
Display	6.44 inches (16.36 cm)	6.6 inches (16.76 cm)
Front Camera
Front Camera	44 MP	16 MP
Processor
Processor	MediaTek Dimensity 800U MT6853V	MediaTek Dimensity 8100 MT6895Z
RAM
RAM	8 GB	6 GB
Rear Camera
Rear Camera	64 MP + 8 MP + 2 MP	64 MP + 8 MP + 2 MP

Battery

Capacity
Capacity	4000 mAh	5080 mAh
Quick Charging
Quick Charging	Yes, Flash, 33W: 63 % in 30 minutes	Yes, Turbo, 67W: 100 % in 46 minutes
Removable
Removable	No	No
Type
Type	Li-ion	Li-Polymer
USB Type-C
USB Type-C	Yes	Yes

Design

Colours
Colours	Arctic White, Sunset Dazzle, Dusk Blue, Neon Spark	Phantom Blue, Stealth Black, Quick Silver
Height
Height	159.6 mm	163.6 mm
Ruggedness
Ruggedness	-	Dust proof
Thickness
Thickness	7.3 mm	8.8 mm
Waterproof
Waterproof	-	Yes, Splash proof, IP53
Weight
Weight	176 grams	200 grams Below
Width
Width	73.9 mm	74.2 mm

Display

Aspect Ratio
Aspect Ratio	20:9	20.5:9
Bezel-less display
Bezel-less display	Yes with waterdrop notch	Yes with punch-hole display
Brightness
Brightness	800 nits	650 nits
Display Type
Display Type	AMOLED	IPS LCD
HDR 10 / HDR+ support
HDR 10 / HDR+ support	Yes, HDR 10+	Yes, HDR 10+
Pixel Density
Pixel Density	409 ppi	407 ppi
Refresh Rate
Refresh Rate	90 Hz	144 Hz
Resolution
Resolution	1080x2404 px (FHD+)	1080x2460 px (FHD+)
Screen Protection
Screen Protection	-	Corning Gorilla Glass v5
Screen Size
Screen Size	6.44 inches (16.36 cm)	6.6 inches (16.76 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	84.9 %	85.34 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, Dual LED	-
Resolution
Resolution	44 MP f/2.0, Wide Angle, Primary Camera	16 MP f/2.45, Wide Angle, Primary Camera
Video Recording
Video Recording	-	1920x1080 @ 30 fps

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General

Brand
Brand	vivo	Xiaomi
Custom UI
Custom UI	Funtouch OS	MIUI
Launch Date
Launch Date	April 29, 2021 (Official)	July 23, 2022 (Official)
Operating System
Operating System	Android v11	Android v12

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	Digital Zoom Auto Flash Face detection Touch to focus	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	Triple	Triple
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	9000 x 7000 Pixels	9000 x 7000 Pixels
OIS
OIS	Yes	-
Resolution
Resolution	64 MP f/1.79, Wide Angle, Primary Camera(26 mm focal length, 1.7" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(16 mm focal length, 4.0" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera	64 MP f/1.89, Wide Angle, Primary Camera(1.7" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera 2 MP f/2.4, Macro Camera(1.75µm pixel size)
Sensor
Sensor	-	S5KGW1, ISOCELL Plus
Settings
Settings	Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR) Burst mode
Video Recording
Video Recording	3840x2160 @ 30 fps 1920x1080 @ 30 fps	3840x2160 @ 30 fps 1920x1080 @ 60 fps
Video Recording Features
Video Recording Features	Dual Video Recording	Movie Frame Vlog Mode Macro Video Short Video Mode

Multimedia

Audio Features
Audio Features	-	Dolby Atmos
Audio Jack
Audio Jack	USB Type-C	3.5 mm
FM Radio
FM Radio	No	-
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v5.1	Yes, v5.3
GPS
GPS	Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
NFC	No	-
Network Support
Network Support	5G Supported in India, 4G Supported in India, 3G, 2G	5G Supported in India, 4G Supported in India, 3G, 2G
SAR Value
SAR Value	Head: 1.05 W/kg, Body: 0.87 W/kg	Head: 0.865 W/kg, Body: 0.796 W/kg
SIM 1
SIM 1	5G Bands: TDD N78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 TDD N38 / N40 / N41 / N77 / N78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 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) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM Size	SIM1: Nano, SIM2: Nano (Hybrid)	SIM1: Nano, SIM2: Nano
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	Mass storage device, USB charging	Mass storage device, USB charging
VoLTE
VoLTE	Yes	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 5 (802.11 a/b/g/n/ac)	Yes, Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 5GHz, MIMO
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	64 bit	64 bit
CPU
CPU	Octa core (2.4 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)	Octa core (2.85 GHz, Quad core, Cortex A78 + 2 GHz, Quad core, Cortex A55)
Chipset
Chipset	MediaTek Dimensity 800U MT6853V	MediaTek Dimensity 8100 MT6895Z
Fabrication
Fabrication	7 nm	5 nm
Graphics
Graphics	Mali-G57 MC3	Mali-G610 MC6
RAM type
RAM Type	LPDDR4X	LPDDR5

Sensors

Fingerprint Sensor
Fingerprint Sensor	Yes	Yes
Fingerprint Sensor Position
Fingerprint Sensor Position	On-screen	Side
Fingerprint Sensor Type
Fingerprint Sensor Type	Optical	-
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Storage

Expandable Memory
Expandable Memory	Yes, Up to 1 TB	No
Internal Memory
Internal Memory	128 GB	128 GB
Storage Type
Storage Type	UFS 2.2	UFS 3.1
USB OTG
USB OTG	Yes	Yes
User Available Storage
User Available Storage	Up to 107 GB	-