Oppo A57 5G vs Oppo K7 5G

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

HSDPA 800, 850, 900, 1900, 2100; CDMA2000 1x

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41
5G network

5G band 1, 5, 8, 28, 41, 77, 78 SA/NSA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE

LTE-A
5G speed

-

1.9 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic frame, plastic back

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
SIM

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

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

163.8 mm

160.3 mm
Width

75.1 mm

74.3 mm
Thickness

8 mm

8 mm
Weight

186 g

180 g
Colors

Black, Blue, Lilac

Black, Blue, Blue/Red, White

Main camera
Camera type

Dual

Quad
Main camera

(wide) , 13 MP, f/2.2 , 81˚ , 26 mm, 1/3.06" , 1.12 µm

48 MP, f/1.7 , 1/2.0" , 0.8 µm
(depth) , 2 MP, f/2.4

8 MP, f/2.2 , 13 mm, 1/4" , 1.12 µm
2 MP, f/2.4 , 1/5" , 1.75 µm
2 MP, f/2.4
Primary camera resolution

4160 x 3120 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

4K@30fps, 1080p@30/60fps; gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

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

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

Selfie camera
Selfie camera type

Single

-
Selfie camera

(wide) , 8 MP, f/2.0 , 26 mm

32 MP, f/2.0 , 26 mm, 1/2.8" , 0.8 µm
Selfie camera resolution

3264 x 2448 pixels

6560 x 4928 pixels
Selfie camera features

Face unlock, face detection, HDR

-
Selfie camera video

1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

-

Yes
BDS

Yes

-
QZSS

Yes

Yes