Oppo K3 vs Xiaomi Redmi 5

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, 1700/2100, 1900, 2100, TD-SCDMA 1880-1920, 2010-2025

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 12(700), 17(700), 18(800), 19(800), 26(850), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSPA speed

-

HSPA
EV-DO speed

3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE Cat 15, 798.0 Mbps download, 226.0 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Front glass, aluminum body
SIM

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

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

161.2 mm

151.8 mm
Width

76 mm

72.8 mm
Thickness

9.4 mm

7.7 mm
Weight

191 g

157 g
Colors

Green, White, Purple

Black, Gold, Light Blue, Rose Gold

Display
Display type

AMOLED capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

6.5 inches

5.7 inches
Resolution

1080 x 2340 pixels

720 x 1440 pixels
Pixel density

396 ppi

282 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 5

Corning Gorilla Glass
Multitouch

Yes

Yes

Main camera
Camera type

Dual

Dual
Main camera

16 MP, f/1.7 , 1/2.5" , 1.12 µm

12 MP, f/2.2 , 1.25 µm
2 MP, f/2.4
Primary camera resolution

4608 x 3456 pixels

4000 x 3000 pixels
Primary camera video

2160@30fps, 1080@120fps, 720@240fps

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

dual LED flash

LED flash
Camera features

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

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

Connectivity
WLAN

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

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

-
USB

Type-C reversible connector

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
Infrared

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

Yes

-
BDS

-

Yes

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Mail

-

Push Mail
Sensors

Accelerometer, compass, proximity, light, gyroscope, in-display fingerprint sensor

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