Xiaomi Redmi K30 5G vs Xiaomi Redmi Note 9S

Xiaomi Redmi K30 5G

Xiaomi Redmi Note 9S

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

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

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300)
5G network

5G band 41(2500), 78(3500); Sub6

-
HSDPA speed

42 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A

LTE, Cat12, 603 Mbps download, 102 Mbps upload
5G speed

2+ Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Glass front, glass back, plastic frame
SIM

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

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

165.3 mm

165.8 mm
Width

76.6 mm

76.7 mm
Thickness

8.8 mm

8.8 mm
Weight

208 g

209 g
Splash resistant

-

Yes
Colors

Blue, Purple, Red, White

Black, Gray, White

Display
Display type

IPS LCD capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

6.67 inches

6.67 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

395 ppi

395 ppi
Display colors

16777216

16777216
Protection

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

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

Yes

Yes
Display features

HDR10, 120Hz sampling rate

450 nits typ. brightness

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 2.4 GHz Kryo 475 Prime

Dual-core 2.3 GHz Kryo 465 Gold
CPU(second)

Single-core 2.2 GHz Kryo 475 Gold

Hexa-core 1.8 GHz Kryo 465 Silver
CPU(third)

Hexa-core 1.8 GHz Kryo 475 Silver
Chipset

Qualcomm SDM765 Snapdragon 765G

Qualcomm SM7125 Snapdragon 720G
GPU

Adreno 620

Adreno 618
Memory RAM

6, 8 GB

4, 6 GB
Internal storage

64, 128, 256 GB

64, 128 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

256 GB

512 GB
Storage

UFS 2.1

UFS 2.1

Main camera
Camera type

Quad

Quad
Main camera

64 MP, f/1.9 , 26 mm, 1/1.7" , 0.8 µm

48 MP, f/1.8 , 26 mm, 1/2.0" , 0.8 µm
8 MP, f/2.2 , 13 mm, 1/4" , 1.12 µm

8 MP, f/2.2 , 13 mm, 1/4.0" , 1.12 µm
2 MP, f/2.4 , 1/5" , 1.75 µm

5 MP, f/2.4 , 1.12 µm
2 MP, f/2.4 , 1/5" , 1.75 µm

2 MP, f/2.4
Primary camera resolution

9248 x 6944 pixels

8000 x 6000 pixels
Primary camera video

2160p@30fps, 1080p@30/120fps, 720p@960fps

2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Primary camera flash

dual LED flash

LED flash
Camera features

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, phase detection autofocus

Autofocus, digital zoom, digital 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

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

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

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

Yes

Yes
Bluetooth

v5.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth HID

-

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

-

Yes
Infrared

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

Yes

Yes
QZSS

Yes

-

Features
Sensors

Accelerometer, barometer, compass, geomagnetic, gravity, gyroscope, pedometer, proximity, light, side-mounted fingerprint sensor

Accelerometer, compass, fingerprint, gyroscope, light, proximity