Comparison of Xiaomi Redmi S2 (Redmi Y2) and Oppo A11k

Comparison of Xiaomi Redmi S2 (Redmi Y2) and Oppo A11k [S]ave

Attribute	Xiaomi Redmi S2 (Redmi Y2) ×	Oppo A11k ×
General
Brand	Xiaomi	Oppo
Launch
Announced	2018-05-01	2020-06-22
Body
Width (mm)	8.1	8.3
Length (mm)	160.7	155.9
Height (mm)	77.3	75.5
Weight (g)	170	165
SIM	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
Front	Glass	Glass
Back	Plastic	Plastic
Frame	Plastic	Plastic
Network
Technology	CDMA GSM HSPA LTE	GSM HSPA LTE
2G bands	CDMA 800 & TD GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 2100
4G bands	1, 3, 4, 5, 7, 8, 20, 38, 40 - Global 1, 3, 5, 40, 41 - India 1, 3, 5, 7, 8, 34, 38, 39, 40, 41	1, 3, 5, 8, 38, 40, 41
Speed	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps LTE-A
Platform
OS	Android 8.1 (Oreo)	Android 9.0 (Pie)
Chipset	Qualcomm MSM8953 Snapdragon 625 (14 nm)	Mediatek MT6765 Helio P35 (12nm)
CPU	Octa-core 2.0 GHz Cortex-A53	Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU	Adreno 506	PowerVR GE8320
Memory
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	32GB 3GB RAM 64GB 4GB RAM	32GB 2GB RAM
Display
Size (in)	5.99	6.22
Resolution (px)	720 x 1440	720 x 1520
Protection	-	Corning Gorilla Glass 3
Display Type	IPS LCD	IPS LCD
Battery
Type	Li-Po	Li-Po
Charging	Charging 10W	-
Capcity (mAh)	3080	4230
Main Camera
Main Camera Type	Dual	Dual
Main Camera Properties	12 MP, f/2.2, 1.25μm, PDAF 5 MP, f/2.4, (depth)	13 MP, f/2.2, (wide), 1/3.1", 1.12µm, PDAF 2 MP, f/2.4, (depth)
Main Camera Video	1080p@30fps (gyro-EIS)	1080p@30fps
Main Camera Features	LED flash, panorama, HDR	LED flash, HDR, panorama
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm	5 MP, f/2.4, 1/5", 1.12µm
Selfie Camera Video	1080p@30fps	-
Selfie Camera Features	HDR, LED flash	HDR
Comms
WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth	4.2, A2DP, LE	5.0, A2DP, LE
GPS	+	+
NFC	-	-
Radio	FM radio	FM radio
USB	microUSB 2.0	microUSB 2.0, USB On-The-Go
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	Fingerprint (rear-mounted) accelerometer compass gyro proximity	Fingerprint (rear-mounted) accelerometer compass gyro proximity
Misc
Colors	Gold Gray Mesmerising Blue Rose Gold Stunning Black	Deep Blue Flowing Silver
Models	M1803E6G M1803E6H M1803E6I	CPH2071 CPH2083
SAR Head (W/kg)	0.43	1.32
SAR Body (W/kg)	1.58	0.92
Infrared port	Yes	-