Lenovo K9 vs Xiaomi Redmi Note 9 4G

Lenovo K9

Xiaomi Redmi Note 9 4G

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, 2100
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)

LTE frequency band 1, 3, 5, 8, 34, 38, 39, 40, 41
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A, Cat6, 300 Mbps download, 51 Mbps upload

LTE-A, 391 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal

Glass front (Gorilla Glass 3), plastic frame, plastic back
SIM

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

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

153.8 mm

162.3 mm
Width

72.9 mm

77.3 mm
Thickness

8 mm

9.6 mm
Weight

155 g

198 g
Colors

Black, Blue

Blue, Gray, Green, Orange

Display
Display type

IPS LCD capacitive touchscreen

IPS LCD
Physical size

5.7 inches

6.53 inches
Resolution

720 x 1440 pixels

1080 x 2340 pixels
Pixel density

282 ppi

395 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen

Scratch resistant, Corning Gorilla Glass 3
Multitouch

Yes

-
Display features

-

400 nits (typ), Max Vision Display

Main camera
Camera type

Dual

Triple
Main camera

13 MP, f/2.2 , 1/3" , 1.12 µm

48 MP, f/1.8 , 1/2.0" , 0.8 µm, (wide) , 26 mm
5 MP, f/2.4 , 1.12 µm

8 MP, f/2.2 , 1.12 µm, (ultrawide) , 120˚ , 1/4.0"
(depth) , 2 MP, f/2.4
Primary camera resolution

4160 x 3120 pixels

4608 x 3456 pixels
Primary camera video

1080p@30/60fps

1080p@30fps
Primary camera flash

dual-LED flash

LED flash
Primary camera phase detection autofocus

phase detection autofocus

-
Camera features

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

Selfie camera
Selfie camera type

Dual

Single
Selfie camera

13 MP, f/2.2 , 1/3" , 1.12 µm

8 MP, f/2.0 , 1/4.0" , 1.12 µm, (wide) , 27 mm
5 MP, f/2.4 , 1.12 µm
Selfie camera resolution

4160 x 3120 pixels

3264 x 2448 pixels
Selfie camera features

-

Face unlock
Selfie camera video

1080p@30/60fps

1080p@30fps

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
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 1.0 reversible connector

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v4.1

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
Infrared

-

Yes
NFC

-

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes