Oppo A55s vs Oppo A77

Phones Images

PHONES
Phone Names	Oppo A55s	Oppo A77

Network
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands	1, 3, 5, 8, 34, 38, 39, 40, 41	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66
5G bands	1, 28, 41, 77, 78	1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA
Speed	HSPA, LTE	HSPA, LTE, 5G
Technology	GSM / CDMA / HSPA / LTE / 5G	GSM / HSPA / LTE / 5G
	CDMA 800	-

Launch
Announced	2022, April 18	2022, June 01
Status	Available. Released 2022, April 18	Available. Released 2022, June 10

Body
Build	-	Glass front, plastic frame, plastic back
Dimensions	163.9 x 75.7 x 8.4 mm (6.45 x 2.98 x 0.33 in)	163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in)
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM
Weight	186 g (6.56 oz)	190 g (6.70 oz)
	-	IPX4 water resistant

Display
Resolution	720 x 1600 pixels, 20:9 ratio (~270 ppi density)	720 x 1612 pixels, 20:9 ratio (~269 ppi density)
Size	6.5 inches, 102.0 cm2 (~82.2% screen-to-body ratio)	6.56 inches, 103.4 cm2 (~84.0% screen-to-body ratio)
Type	IPS LCD, 480 nits (peak)	IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)

Platform
CPU	Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)	Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Chipset	Mediatek Dimensity 700 (7 nm)	Mediatek Dimensity 810 (6 nm)
GPU	Mali-G57 MC2	Mali-G57 MC2
OS	Android 11, ColorOS 11.1	Android 12, upgradable to Android 14, ColorOS 14

Memory
Card slot	microSDXC	microSDXC
Internal	128GB 6GB RAM, 128GB 8GB RAM	64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
	-	UFS 2.2

Main Camera
Dual	-	48 MP, f/1.7, 26mm (wide), PDAF Auxiliary lens
Features	LED flash, HDR, panorama	LED flash, HDR, panorama
Single	8 MP, f/2.0, (wide)	-
Triple	13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF 2 MP (macro) Auxiliary lens	-
Video	1080p@30fps	1080p@30fps

Selfie camera
Features	HDR	Panorama
Single	8 MP, f/2.0, (wide)	8 MP, f/2.0, 26mm (wide)
Video	1080p@30fps	1080p@30fps

Sound
3.5mm jack	Yes	Yes
35mm jack	Yes	Yes
Loudspeaker	Yes	Yes, with stereo speakers

Comms
Bluetooth	5.1, A2DP, LE, aptX HD	5.3, A2DP, LE, aptX HD
NFC	No	Yes
Positioning	GPS, GLONASS, GALILEO, BDS, QZSS	GPS, GLONASS, BDS, GALILEO, QZSS
Radio	No	No
USB	USB Type-C 2.0, 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, compass

Battery
Charging	10W wired	33W wired, 53% in 30 min
Type	Li-Po 5000 mAh	Li-Po 5000 mAh

Misc
Colors	Black, Blue, Gold	Ocean Blue, Midnight Black
Models	CPH2309	CPH2339
Price	About 160 EUR	€ 149.90 / £ 159.00