Oppo A6x 5g vs Vivo Y81 4gb Ram

Key Specs

Battery
-	3260 mAh
Display
-	6.22 inches (15.8 cm)
Front Camera
-	5 MP
Processor
-	MediaTek Helio P22
RAM
-	4 GB
Rear Camera
-	13 MP

Battery

Capacity
6500mAh	3260 mAh
Quick Charging
45W fast charging	-
Removable
No	No
Type
-	Li-ion
USB Type-C
-	No
Wireless Charging
33W	-

Camera

Front Camera
5MP	-
Rear Camera
13MP	-

Design

Build Material
-	Back: Plastic
Colours
Olive Green, Ice Blue	Black, Gold
Height
-	155 mm
Thickness
-	7.7 mm
Water Resistance
IP64 water and dust resistant	-
Weight
212g	148 grams
Width
-	75 mm

Dimensions

Thickness
8.58mm	-

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Display

Aspect Ratio
-	19:9
Bezel-less display
-	Yes with notch
Brightness
1125 nits	-
Display Type
LCD	IPS LCD
HDR / Ultra HDR
HD+	-
Pixel Density
-	270 ppi
Refresh Rate
120Hz	-
Resolution
-	720x1520 px (HD+)
Screen Size
6.75 inch	6.22 inches (15.8 cm)
Screen to Body Ratio (calculated)
-	82.66 %
Screen to Body Ratio (claimed by the brand)
-	88 %
Touch Screen
-	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Flash
-	Yes, Screen flash
Resolution
-	5 MP f/2.2, Primary Camera

General

Brand
Oppo	vivo
Custom UI
ColorOS 15	Funtouch OS
Launch Date
November 25, 2025	September 28, 2018 (Official)
Model
A6x	-
Operating System
Android 15	Android v8.1 (Oreo)

Main Camera

Autofocus
-	Yes, Phase Detection autofocus
Camera Features
-	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
-	Single
Flash
-	Yes, LED Flash
Image Resolution
-	4128 x 3096 Pixels
Resolution
-	13 MP f/2.2, Primary Camera
Sensor
-	CMOS image sensor
Settings
-	Exposure compensation, ISO control
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR)

Multimedia

Audio Jack
-	3.5 mm
FM Radio
-	Yes
Loudspeaker
-	Yes

Network & Connectivity

Bluetooth
Yes	Yes, v5.0
GPS
Yes	Yes with A-GPS, Glonass
Network Support
5G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
-	Head: 1.014 W/kg, Body: 0.445 W/kg
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
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
SIM Size
-	SIM1: Nano, SIM2: Nano
SIM Slot(s)
-	Dual SIM, GSM+GSM
USB Connectivity
-	Mass storage device, USB charging, microUSB 2.0
VoLTE
Yes	Yes
Wi-Fi
Yes	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Calling
Yes	-
Wi-Fi Features
-	Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
-	Octa core, 2 GHz, Cortex A53
Chipset
-	MediaTek Helio P22
Fabrication
-	12 nm
Graphics
-	PowerVR GE8320
Processor
MediaTek Dimensity 6300	-
Processor Fabrication
6nm	-
RAM
4GB/6GB	4 GB
RAM Type
-	LPDDR3
RAM type
-	LPDDR3

Sensors

Fingerprint Sensor
side-mounted fingerprint	Yes
Fingerprint Sensor Position
-	Rear
Other Sensors
-	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Storage

Expandable Memory
-	Yes, Up to 256 GB
Internal Memory
64GB/128GB	32 GB
Storage Type
UFS 2.2	eMMC 5.1
USB OTG
-	Yes