Vivo V15 Pro 8gb Ram vs Vivo V21

Key Specs

Battery
Battery	3700 mAh	4000 mAh
Display
Display	6.39 inches (16.23 cm)	6.44 inches (16.36 cm)
Front Camera
Front Camera	32 MP	44 MP
Processor
Processor	Qualcomm Snapdragon 675	MediaTek Dimensity 800U MT6853V
RAM
RAM	8 GB	-
Rear Camera
Rear Camera	48 MP + 8 MP + 5 MP	64 MP + 8 MP + 2 MP

Battery

Capacity
Capacity	3700 mAh	4000 mAh
Quick Charging
Quick Charging	Yes, Fast: 24 % in 15 minutes	Yes, Flash, 33W: 63 % in 30 minutes
Removable
Removable	No	No
Type
Type	Li-ion	Li-Polymer
USB Type-C
USB Type-C	No	Yes

Camera

Autofocus
Autofocus	-	Yes
Camera Features
Camera Features	-	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	-	Single
Flash
Flash	-	Yes, Dual LED
Image Resolution
Image Resolution	-	9000 x 7000 Pixels
OIS
OIS	-	Yes
Resolution
Resolution	-	44 MP f/2.0, Wide Angle, Primary Camera
Settings
Settings	-	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	-	3840x2160 @ 30 fps

Design

Build Material
Build Material	Back: Plastic	-
Colours
Colours	Topaz Blue, Ruby Red	Dusk Blue, Sunset Dazzle
Height
Height	157.2 mm	159.7 mm
Thickness
Thickness	8.2 mm	7.3 mm
Weight
Weight	185 grams	176 grams
Width
Width	74.7 mm	73.9 mm

Display

Aspect Ratio
Aspect Ratio	19.5:9	20:9
Bezel-less display
Bezel-less display	Yes	-
Bezelless Display
Bezelless Display	-	Yes with waterdrop notch
Brightness
Brightness	-	500 nits
Display Type
Display Type	Super AMOLED	AMOLED
HDR 10 / HDR+ support
HDR 10 / HDR+ support	-	Yes, HDR 10+
Pixel Density
Pixel Density	403 ppi	409 ppi
Refresh Rate
Refresh Rate	-	90 Hz
Resolution
Resolution	1080x2340 px (FHD+)	-
Screen Size
Screen Size	6.39 inches (16.23 cm)	6.44 inches (16.36 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	85.17 %	84.84 %
Screen to Body Ratio (claimed by the brand)
Screen to Body Ratio (claimed by the brand)	91.64 %	-
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Camera Setup
Camera Setup	Single	-
Camera Type
Camera Type	Pop-Up	-
Flash
Flash	Yes, Screen flash	-
Resolution
Resolution	32 MP f/2.0, Primary Camera	-
Video Recording
Video Recording	1920x1080 @ 30 fps	-

General

Brand
Brand	vivo	vivo
Custom UI
Custom UI	Funtouch OS	Funtouch OS
Launch Date
Launch Date	May 13, 2019 (Official)	-
Operating System
Operating System	Android v9.0 (Pie)	Android v11

Main Camera

Autofocus
Autofocus	Yes, Phase Detection autofocus	-
Camera Features
Camera Features	Digital Zoom Auto Flash Face detection Touch to focus	-
Camera Setup
Camera Setup	Triple	-
Flash
Flash	Yes, LED Flash	-
Image Resolution
Image Resolution	8000 x 6000 Pixels	-
Resolution
Resolution	48 MP f/1.8, Primary Camera(2" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(13 mm focal length)5 MP f/2.4, Depth Camera	-
Sensor
Sensor	ISO-CELL	-
Settings
Settings	Exposure compensation, ISO control	-
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR)	-
Video Recording
Video Recording	3840x2160 @ 60 fps	-

Multimedia

Audio Jack
Audio Jack	3.5 mm	USB Type-C
FM Radio
FM Radio	Yes	-
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v5.0	Yes, v5.1
GPS
GPS	Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
NFC	-	No
Network Support
Network Support	5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
SAR Value	Head: 1.155 W/kg, Body: 0.284 W/kg	-
SIM 1
SIM 1	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) 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	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) 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 1700 / 1900 / 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) / 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) / 1900(band 39) 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	SIM1: Nano, SIM2: Nano (Hybrid)
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM, Dual VoLTE	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	Mass storage device, USB charging, microUSB 2.0	Mass storage device, USB charging
VoLTE
VoLTE	Yes	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n) 5GHz	Yes, Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	64 bit	64 bit
CPU
CPU	Octa core (2 GHz, Dual core, Kryo 460 + 1.7 GHz, Hexa Core, Kryo 460)	Octa core (2.4 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Chipset
Chipset	Qualcomm Snapdragon 675	MediaTek Dimensity 800U MT6853V
Fabrication
Fabrication	11 nm	7 nm
Graphics
Graphics	Adreno 612	Mali-G57 MC3
RAM type
RAM Type	LPDDR4X	-
Ram
RAM	-	8 GB

Sensors

Applications
Applications	Newspoint, Amazon, Paytm, UC Browser, WPS Office	-
Fingerprint Sensor
Fingerprint Sensor	Yes	Yes
Fingerprint Sensor Position
Fingerprint Sensor Position	On-screen	On-screen
Fingerprint Sensor Type
Fingerprint Sensor Type	Optical	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 256 GB	Yes, Up to 1 TB
Internal Memory
Internal Memory	128 GB	128 GB
Storage Type
Storage Type	eMMC 5.1	UFS 2.2
USB OTG
USB OTG	Yes	Yes
User Available Storage
User Available Storage	Up to 113 GB	-