Samsung Galaxy F15 vs Vivo Y31 2021

Key Specs

Battery
Battery	6000 mAh	5000 mAh
Display
Display	6.5 inches (16.51 cm)	6.58 inches (16.71 cm)
Front Camera
Front Camera	13 MP	16 MP
Processor
Processor	MediaTek Dimensity 6100 Plus	Qualcomm Snapdragon 662
RAM
RAM	4 GB	6 GB
Rear Camera
Rear Camera	50 MP + 5 MP + 2 MP	48 MP + 2 MP + 2 MP

Battery

Capacity
Capacity	6000 mAh	5000 mAh
Quick Charging
Quick Charging	Yes, Fast, 25W	Yes, Fast, 18W: 70 % in 64 minutes
Removable
Removable	No	No
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	Yes	Yes

Design

Colours
Colours	Ash Black, Groovy Violet, Jazzy Green	Ocean Blue, Racing Black
Height
Height	160.1 mm	163.8 mm
Thickness
Thickness	9.3 mm	8.3 mm
Weight
Weight	217 grams	188 grams
Width
Width	76.8 mm	75.3 mm

Display

Aspect Ratio
Aspect Ratio	20:9	20:9
Bezel-less display
Bezel-less display	Yes with notch	Yes with waterdrop notch
Display Type
Display Type	Super AMOLED	IPS LCD
Pixel Density
Pixel Density	396 ppi	401 ppi
Refresh Rate
Refresh Rate	90 Hz	60 Hz
Resolution
Resolution	1080x2340 px (FHD+)	1080x2408 px (FHD+)
Screen Size
Screen Size	6.5 inches (16.51 cm)	6.58 inches (16.71 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	84.17 %	84.75 %
Screen to Body Ratio (claimed by the brand)
Screen to Body Ratio (claimed by the brand)	-	90.7 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
Autofocus	No	-
Camera Features
Camera Features	Fixed Focus	-
Camera Setup
Camera Setup	Single	Single
Flash
Flash	No	Yes, Screen flash
Resolution
Resolution	13 MP f/2.0, Wide Angle, Primary Camera	16 MP f/2.0, Wide Angle, Primary Camera(3" sensor size, 1µm pixel size)
Video Recording
Video Recording	-	1920x1080 @ 30 fps

Not sure which
mobile to buy?

General

Brand
Brand	Samsung	vivo
Custom UI
Custom UI	Samsung One UI	Funtouch OS
Launch Date
Launch Date	March 4, 2024 (Official)	January 20, 2021 (Official)
Operating System
Operating System	Android v14	Android v11

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	10 x Digital Zoom Auto Flash Face detection Touch to focus	Digital Zoom Auto Flash Custom Watermark Face detection Touch to focus
Camera Setup
Camera Setup	Triple	Triple
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	8150 x 6150 Pixels	8000 x 6000 Pixels
OIS
OIS	No	-
Resolution
Resolution	50 MP f/1.8, Wide Angle, Primary Camera 5 MP f/2.2, Ultra-Wide Angle Camera 2 MP f/2.4, Macro Camera	48 MP f/1.79, Wide Angle, Primary Camera(2" sensor size, 0.8µm pixel size)2 MP f/2.4, Depth Camera 2 MP f/2.4, Macro Camera
Settings
Settings	Exposure compensation, ISO control	Exposure compensation
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR) Macro Mode	Continuous Shooting High Dynamic Range mode (HDR) Macro Mode
Video Recording
Video Recording	1920x1080 @ 30 fps	3840x2160 @ 30 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes, Recording option	Yes
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v5.3	Yes, v5.0
GPS
GPS	Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
NFC	No	No
Network Support
Network Support	5G 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: 0.87 W/kg, Body: 0.39 W/kg
SIM 1
SIM 1	5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66 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) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26) 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) / 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
SIM 2
SIM 2	5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66 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) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26) 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) / 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
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) 5GHz	Yes, Wi-Fi 4 (802.11 b/g/n) 5GHz
Wi-Fi Features
Wi-Fi Features	Wi-Fi Direct, Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	64 bit	64 bit
CPU
CPU	Octa core (2.2 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)	Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
Chipset
Chipset	MediaTek Dimensity 6100 Plus	Qualcomm Snapdragon 662
Fabrication
Fabrication	6 nm	11 nm
Graphics
Graphics	Mali-G57 MC2	Adreno 610

Sensors

Fingerprint Sensor
Fingerprint Sensor	Yes	Yes
Fingerprint Sensor Position
Fingerprint Sensor Position	Side	Side
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope	Light sensor, Proximity sensor, Accelerometer, Compass

Storage

Expandable Memory
Expandable Memory	Yes, Up to 1 TB	Yes, Up to 1 TB
Internal Memory
Internal Memory	128 GB	128 GB
USB OTG
USB OTG	Yes	Yes
User Available Storage
User Available Storage	Up to 108 GB	-