Samsung Galaxy J6 vs Xiaomi Redmi K30 Ultra

Samsung Galaxy J6

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
HSPA speed

HSPA

-
LTE speed

LTE

LTE-A
5G speed

-

5G
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic body

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

Black, Green, White

Display
Display type

Super AMOLED capacitive touchscreen

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

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 , 28 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

4160 x 3120 pixels

5184 x 3800 pixels
Primary camera video

1080p@30fps

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

autofocus

-
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

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

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 802.11b, 802.11g, 802.11n

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
USB

microUSB 2.0

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

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
BDS

Yes

-
QZSS

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Email

Push Email

-
Sensors

Fingerprint (rear-mounted), accelerometer, proximity

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

-

Yes