Xiaomi Redmi Note 9 4G vs vivo iQOO 9 (China)

Xiaomi Redmi Note 9 4G

vivo iQOO 9 (China)

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

HSDPA 850, 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41
5G network

-

5G band 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA
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, 391 Mbps download, 150 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

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

Aluminium alloy
SIM

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

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

162.3 mm

164.5 mm
Width

77.3 mm

76.7 mm
Thickness

9.6 mm

8.4 mm
Weight

198 g

206 g
Colors

Blue, Gray, Green, Orange

Black, Orange, White (BMW M branding)

Display
Display type

IPS LCD

AMOLED
Physical size

6.53 inches

6.78 inches
Resolution

1080 x 2340 pixels

1080 x 2400 pixels
Pixel density

395 ppi

388 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass 3

Scratch resistant
Display features

400 nits (typ), Max Vision Display

120Hz, HDR10, 1500 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.0 GHz Kryo 260 Gold

Single-core 3.0 GHz Cortex-X2
CPU(second)

Hexa-core 1.8 GHz Kryo 260 Silver

Triple-core 2.50 GHz Cortex-A710
CPU(third)

Quad-core 1.80 GHz Cortex-A510
Chipset

Qualcomm SM6115 Snapdragon 662

Qualcomm SM8450 Snapdragon 8 Gen1
GPU

Adreno 610

Adreno 730
Memory RAM

4, 6, 8 GB

8, 12 GB
Internal storage

128, 256 GB

128, 256, 512 GB
Memory card

microSD, microSDHC, microSDXC

No
Memory card max

512 GB

-
Storage

UFS 2.2

UFS 3.1

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 50 MP, f/1.8 , 1/1.57" , 1.0 µm, 20x digital zoom
(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm

(telephoto) , 12 MP, f/2.0 , 47 mm, 2x optical zoom
(depth) , 2 MP, f/2.4

(ultrawide) , 13 MP, f/2.2 , 120˚ , 16 mm
Primary camera resolution

4608 x 3456 pixels

8160 x 6144 pixels
Primary camera video

1080p@30fps

4K@30fps, 1080p@30fps, 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, phase detection autofocus, laser autofocus, RAW

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical 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, night mode

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.0 , 27 mm, 1/4.0" , 1.12 µm

(wide) , 16 MP, f/2.5
Selfie camera resolution

3264 x 2448 pixels

-
Selfie camera features

Face unlock

HDR
Selfie camera video

1080p@30fps

1080p@30fps, gyro-EIS

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, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v4.2

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD, aptX Adaptive
Infrared

Yes

-
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes