Oppo A1k vs Xiaomi Redmi S2 (Redmi Y2)

Oppo A1k

Xiaomi Redmi S2 (Redmi Y2)

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA - China
3G network

WCDMA 850, 900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 28(700), 38(2600), 40(2300), 41(2500)

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - Global; LTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) - India; LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China
HSPA speed

-

HSPA
LTE speed

LTE Cat 4, 150.8 Mbps download, 51 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

6.1 inches

5.99 inches
Resolution

720 x 1560 pixels

720 x 1440 pixels
Pixel density

282 ppi

269 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, scratch resistant, Corning Gorilla Glass 3

-
Multitouch

Yes

Yes

Main camera
Camera type

Single

Dual
Main camera

8 MP, f/2.2 , 1/3.2" , 1.4 µm

12 MP, f/2.2 , 1.25 µm
5 MP
Primary camera resolution

3264 x 2448 pixels

4000 x 3000 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

LED flash
Electronic image stabilization

-

EIS (gyro)
Camera features

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection

Geo-tagging, HDR, face detection, panorama, touch focus

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Email

-

Push Email
Sensors

Accelerometer, proximity, light, compass, fingerprint

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity