Oppo A1k vs Samsung Galaxy A21

Oppo A1k

Samsung Galaxy A21

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

WCDMA 850, 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100 - USA; CDMA2000 1xEV-DO
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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - USA
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE Cat 4, 150.8 Mbps download, 51 Mbps upload

LTE, Cat4, 151 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic body

Glass front, plastic back, plastic frame
SIM

Dual SIM (Nano-SIM, dual SIM stand-by)

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Height

154.5 mm

167.8 mm
Width

73.8 mm

76.7 mm
Thickness

8.4 mm

8.1 mm
Weight

170 g

193 g
Colors

Black, Red

Black

Display
Display type

IPS capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

6.1 inches

6.5 inches
Resolution

720 x 1560 pixels

720 x 1600 pixels
Pixel density

282 ppi

270 ppi
Display colors

16777216

16777216
Protection

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

-
Multitouch

Yes

-

Main camera
Camera type

Single

Quad
Main camera

8 MP, f/2.2 , 1/3.2" , 1.4 µm

16 MP, f/1.8 , 1/3.06" , 1.0 µm
8 MP, f/2.2 , 1/4.0" , 1.12 µm
2 MP, f/2.4
2 MP, f/2.4
Primary camera resolution

3264 x 2448 pixels

4608 x 3456 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

LED flash

LED flash
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

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