Samsung Galaxy Note 8 vs Xiaomi Redmi K20

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1700, 1900, 2100, TD-SCDMA 1900, 2000
4G network

LTE

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

42.2 Mbps

42 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE-A speed

LTE-A, (4CA) Cat16, 1024 Mbps download, 150 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Corning Gorilla Glass 5 back panel

Aluminium alloy, glass
SIM

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

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

162.5 mm

156.7 mm
Width

74.8 mm

74.3 mm
Thickness

8.6 mm

8.8 mm
Weight

195 g

191 g
Stylus

Yes

-
Payment

Samsung Pay(Visa, Mastercard)

-
Waterproof

IP68 - 1.5 m and 30 minutes

-
Dust proof

Yes, IP68

-
Colors

Deep Sea Blue, Maple Gold, Midnight Black, Orchid Grey

Black, Blue, Red

Display
Display type

Super AMOLED capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

6.3 inches

6.39 inches
Resolution

1440 x 2960 pixels

1080 x 2340 pixels
Pixel density

521 ppi

403 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass 5

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 6
Multitouch

Yes

Yes
Display features

-

HDR 10, Always-On display
Always on display

Yes

-
3D touch

home button only

-
HDR display

HDR10

-

Main camera
Camera type

Dual

Triple
Main camera

12 MP, f/1.7 , 26 mm, 2x optical zoom

48 MP, f/1.8 , 26 mm, 2x optical zoom , 1/2" , 0.8 µm
12 MP, f/2.4 , 52 mm

8 MP, f/2.4 , 53 mm, 1/4" , 1.12 µm
13 MP, f/2.4 , 12 mm, 1/3" , 1.12 µm
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

2160p@30fps, 1080p@60fps, 720p@240fps

2160p@30fps, 1080p@960fps
Primary camera Autofocus

phase detection autofocus

-
Primary camera flash

dual-LED (dual tone) flash

dual LED flash
Primary camera optical image stabilization

optical image stabilization

-
Primary camera video dual video

dual-video record

-
Primary camera video hdr

HDR

-
Camera features

1.0 µm pixel size @ 52 mm, geo-tagging, 1.4 µm pixel size @ 26 mm, 1/3.6" sensor size, 1/2.55" sensor size, Auto HDR, face/smile detection, panorama, simultaneous 4K video and 9MP image recording, touch focus

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

100

-
DxOMark video

84

-
DxOMark camera score

94

-

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 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 1.0 reversible connector

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
NFC

Yes

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

-
Java

No

-
Sensors

Iris scanner, SpO2, accelerometer, barometer, compass, fingerprint (rear-mounted), gyro, heart rate, proximity

Accelerometer, proximity, light, compass, in-display fingerprint, gyroscope, barometer, hall, step detector, step counter