Samsung Galaxy J6 (2018) vs Xiaomi Redmi K30 Ultra

Samsung Galaxy J6 (2018)

Xiaomi Redmi K30 Ultra

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)

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

-

5G band 1, 3, 41, 78, 79; SA/NSA
HSDPA speed

-

42 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE, Cat6, 301 Mbps download, 51 Mbps upload

LTE-A
5G speed

-

5G
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Polycarbonate

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

149.3 mm

163.3 mm
Width

70.2 mm

75.4 mm
Thickness

8.2 mm

9.1 mm
Weight

154 g

213 g
Colors

Black, Blue, Gold, Purple

Black, Green, White

Display
Display type

Super AMOLED

AMOLED capacitive touchscreen
Physical size

5.6 inches

6.67 inches
Resolution

720 x 1480 pixels

1080 x 2400 pixels
Pixel density

294 ppi

395 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass, 2.5D curved glass screen

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

Yes

-
Display features

-

HDR10+, 120Hz sampling rate, 500 nits typ. brightness

Main camera
Camera type

-

Quad
Main camera

13 MP, f/1.9 , 3.6 mm

64 MP, f/1.9 , 26 mm, 1/1.72" , 0.8 µm
13 MP, f/2.4 , 1.12 µm
5 MP, f/2.2 , 50 mm
2 MP, f/2.4
Primary camera resolution

4128 x 3096 pixels

5184 x 3800 pixels
Primary camera video

1080p@30fps

4K@30fps, 1080p@30/60/120/240/960fps; gyro-EIS
Primary camera flash

LED flash

dual-LED dual-tone 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

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, RAW, AI skyscaping

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

microUSB 2.0

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth AVRCP

Yes

-
bluetooth HFP

Yes

-
bluetooth HID

Yes

-
bluetooth OPP

Yes

-
bluetooth PAN

Yes

-
bluetooth LE

-

Yes
bluetooth DIP

Yes

-
bluetooth MAP

Yes

-
bluetooth PBAP

PBAP/PAB

-
bluetooth HSP

Yes

-
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

Yes(optional)

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

Yes
QZSS

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, hall, light, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity
Power bank function

-

Yes