Difference between OPPO ACE2 and REALME C51 ?

	PRODUCT 1	PRODUCT 2
	OPPO OPPO ACE2	REALME REALME C51
VERSION
Announced	2020	July 2023
Release date	2020	August 2023
NETWORK
Technology		4G
DEVICE
Dimensions	160 x 75.4 x 8.6 mm	167.2 x 76.7 x 8 mm (6.58 x 3.02 x 0.31 in)
Weight	186 g	186 (g6.56 oz)
S.I.M.	Double SIM
Design	16MP	5 MP (720p)
Other	500 nits typ. HDR10+ 90Hz
SCREEN
langfront.Type		IPS LCD,90Hz,
Size	6.55 inches	6.74 inches
Resolution	1080 x 2400 pixels	720 x 1600 pixels
Protection	Gorilla Glass 5

PLATFORM
Operating system	Android 10.0; ColorOS 7.1	Android 13,Realme UI T,
Chipset	Qualcomm SM8250 Snapdragon 865 (7nm+)	Unisoc Tiger T612 (12nm)
Processor	Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)	Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU	Adreno 650	Mali-G57
MEMORY
Card slot	❌	microSDXC
Internal & RAM	128GB 8GB RAM	64GB 4GB RAM or 128GB 4GB RAM
CAMERA
Main	48 MP + 8 MP + 2 MP + 2 MP	50 MP (f/1.7) + 0.3 MP (depth)
SOUND
Loudspeaker	Oui, avec haut-parleurs stéréo	✔️
Jack 3,5 mm	❌	✔️
CONNECTIVITY
Wifi	✔️	dual-band
Bluetooth	✔️	5.0
GPS	✔️	✔️
NFC	✔️	✔️
Radio
USB	2.0,Type-C 1.0,	USB Type-C 2.0
CHARACTERISTICS
Sensors	Fingerprint (under screen,optical),accelerometer,gyroscope,proximity,compass,	Fingerprint (side-mounted),accelerometer,proximity,compass,
Various	65W Fast Battery Charging - 40W Fast Wireless Charging,10W wireless charging,	Fast Charging 33W
BATTERY
Type	4000 mAh	5000 mAh

What is the difference between OPPO ACE2 and REALME C51 ?