Difference between XIAOMI REDMI K40 and OPPO A55 ?

	PRODUCT 1	PRODUCT 2
	XIAOMI XIAOMI REDMI K40	OPPO OPPO A55
VERSION
Announced	2021	October 2021
Release date	2021	October 2021
NETWORK
Technology	5G	4G
DEVICE
Dimensions	163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)	163.6 x 75.7 x 8.4 mm (6.44 x 2.98 x 0.33 in)
Weight	196 (g6.91 oz)	193 (g6.81 oz)
S.I.M.	Dual SIM	Dual SIM
Design	20MP	16MP
Other		Splash-proof / Resistant to splashes
SCREEN
langfront.Type	Super AMOLED,120Hz,HDR10+,	IPS LCD
Size	6.67 inches	6.51 inches
Resolution	1080 x 2400 pixels	720 x 1600 pixels
Protection	Corning Gorilla Glass 5	NEG T2X-1

PLATFORM
Operating system	Android 11,MIUI 12,	Android 11,ColorOS 11.1,
Chipset	Qualcomm SM8250-AC Snapdragon 870 5G (7nm)	MediaTek Helio G35 (12nm)
Processor	Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU	Adreno 650	PowerVR GE8320
MEMORY
Card slot	❌	microSDXC
Internal & RAM	128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM	64GB 4GB RAM or 128GB 6GB RAM
CAMERA
Main	48 MP + 8 MP + 5 MP	50 MP + 2 MP + 2 MP
SOUND
Loudspeaker	Yes, with stereo speakers / Oui, avec haut-parleurs stéréo	✔️
Jack 3,5 mm	❌	✔️
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC	✔️	❌
Radio	❌	❌
USB	Type-C 2.0	USB Type-C 2.0
CHARACTERISTICS
Sensors	Fingerprint (side-mounted),accelerometer,gyro,proximity,compass / Fingerprint (lateral),accelerometer,gyroscope,proximity,compass,	Fingerprint (side-mounted),accelerometer,proximity,compass / Fingerprint (side mounted),accelerometer,proximity,compass,
Various	Fast Charging 33W - Power Delivery 3.0 - Quick Charge 3+ / Fast charging of the battery 33W - Power Delivery 3.0 - Quick Charge 3+	Fast Charging 18W / Fast battery charge 18W
BATTERY
Type	4520 mAh	5000 mAh

What is the difference between XIAOMI REDMI K40 and OPPO A55 ?

XIAOMI

XIAOMI REDMI K40

OPPO

OPPO A55