vivo Y55s (2023) vs Oppo A57 4G

Phones Images

PHONES
Phone Names	vivo Y55s (2023)	Oppo A57 4G

Network
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 2100
4G bands	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 39, 40, 41	1, 3, 5, 7, 8, 20, 28, 38, 40, 41
5G bands	1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 78 SA/NSA	-
Speed	HSPA, LTE, 5G	HSPA, LTE
Technology	GSM / HSPA / LTE / 5G	GSM / HSPA / LTE

Launch
Announced	2023, January 21	2022, May 27
Status	Available. Released 2023, January 21	Available. Released 2022, June 06

Body
Build	Glass front, plastic frame, plastic back	Glass front, plastic frame, plastic back
Dimensions	164 x 75.9 x 8.3 mm (6.46 x 2.99 x 0.33 in)	163.7 x 75 x 8 mm (6.44 x 2.95 x 0.31 in)
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM
Weight	187 g (6.60 oz)	187 g (6.60 oz)
	-	IP5X (dust), IPX4 (water) resistance

Display
Resolution	1080 x 2408 pixels, 20:9 ratio (~401 ppi density)	720 x 1612 pixels, 20:9 ratio (~269 ppi density)
Size	6.58 inches, 104.3 cm2 (~83.8% screen-to-body ratio)	6.56 inches, 103.4 cm2 (~84.2% screen-to-body ratio)
Type	IPS LCD	IPS LCD

Platform
CPU	Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Chipset	Mediatek Dimensity 700 (7 nm)	Mediatek MT6765G Helio G35 (12 nm)
GPU	Mali-G57 MC2	PowerVR GE8320
OS	Android 12, Funtouch 12	Android 12, upgradable to Android 14, ColorOS 14

Memory
Card slot	microSDXC	microSDXC
Internal	128GB 4GB RAM, 128GB 6GB RAM	64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
	-	eMMC 5.1

Main Camera
Dual	-	13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF Auxiliary lens
Features	Dual-LED flash, HDR, panorama	LED flash, HDR, panorama
Single	8 MP, f/1.8, (wide)	8 MP, f/2.0, (wide)
Triple	50 MP, f/1.8, 26mm (wide), PDAF 2 MP (macro) Auxiliary lens	-
Video	1080p@30fps, gyro-EIS	1080p@30fps

Selfie camera
Features	-	HDR
Single	8 MP, f/1.8, (wide)	8 MP, f/2.0, (wide)
Video	1080p@30fps	1080p@30fps

Sound
3.5mm jack	Yes	Yes
35mm jack	Yes	Yes
Loudspeaker	Yes	Yes

Comms
Bluetooth	5.1, A2DP, LE	5.3, A2DP, LE, aptX HD
NFC	Yes	No
Positioning	GPS, GLONASS, GALILEO, BDS, QZSS	GPS
Radio	FM radio	Unspecified
USB	USB Type-C, OTG	USB Type-C 2.0, OTG
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Features
Sensors	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass	Fingerprint (side-mounted), accelerometer, proximity

Battery
Charging	18W wired	33W wired, 50% in 30 min
Type	5000 mAh	Li-Po 5000 mAh

Misc
Colors	Black, Blue	Glowing Black, Glowing Green
Models	-	CPH2387
Price	About 250 EUR	About 440 EUR