Phone Comparison - Xiaomi Mi 9 vs Google Pixel 4a vs Xiaomi Redmi Note 9 4G

general General Info

Manufacturer Xiaomi Google Xiaomi
Announced February 2019 2020, August 03 November 2020
Status Coming Soon - March 2019 Coming soon. Exp. release 2020, August 20 Coming Soon - December 2020
Colors Lavender Violet, Ocean Blue, Piano Black Just Black Gray, Green, Blue, Orange
Form Factor Candybar Candybar Candybar
Dimension 157.5 x 74.7 x 7.6 mm
(6.2 x 2.94 x 0.3 in)
144 x 69.4 x 8.2 mm
(5.67 x 2.73 x 0.32 in)
162.3 x 77.3 x 9.6 mm
(6.39 x 3.04 x 0.38 in)
Weight 173 g (6.1 oz) 143 g (5.04 oz) 198 g (6.98 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 39(1900), 40(2300) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) 1, 3, 5, 8, 34, 38, 39, 40, 41
Messaging
Build Features Fingerprint Sensor (In-display)
- Fingerprint Sensor
- Fingerprint Sensor

hardware Hardware and OS

OS Android 9.0 (Pie); MIUI 10 Android 10.0 Android 10
Processor Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485), Qualcomm SDM855 Snapdragon 855 (7 nm) Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm)
GPU Adreno 640 Adreno 618 Adreno 610
RAM 6/8 GB 6GB 8 GB
Internal Memory 64/128 GB 128 GB 256 GB
External Memory No No microSDXC (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 6 IPS LCD Capacitive Touchscreen IPS LCD Screen
Corning Gorilla Glass 3
400 nits (typ)
Colors 16M colors 16M colors 16M Colour
Size 6.39 inches 5.81 inches 6.53 inches
Resolution 1080 x 2340 (403 ppi) 1080 x 2340 pixels (444 ppi) 1080 x 2340 pixels (395 ppi)
Screen-to-Body Ratio 85.33% 82.76% 83.29%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack no yes yes
Radio No - FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 48 MP + 16 MP + 12 MP 12.2 MP 48 MP + 8 MP + 2 MP
Flash Dual-LED Flash LED Flash LED Flash
Features 48 MP, f/1.8, 1/2", 0.8µm, Laser/PDAF
16 MP, f/2.2, 13mm (ultrawide), 1/3.0", 1.0µm, Laser/PDAF
12 MP, f/2.2, 54mm (telephoto), 1/3.6", 1.0µm, Laser/PDAF, 2x optical zoom
HDR, panorama
12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
Auto-HDR, Panorama
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (depth)
HDR, Panorama
Video 2160p@30/60fps, 1080p@30/120/240fps, 1080p@960fps 2160p@30fps, 1080p@30fps; gyro-EIS 1080p@30fps
Front Camera 20 MP, f/2.0, 0.9µm, HDR, 1080p@30fps [Similar] 8 MP, f/2.0, (wide), 1/4", 1.12µm
HDR
1080p@30fps [Similar]
8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth 5.0, A2DP, LE, aptX HD 5.1, A2DP, LE 4.2, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go 3.1, Type-C 1.0 reversible connector USB Type-C 2.0, USB On-The-Go
GPS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes

memory User Memory

Internal 64/128 GB, 6/8 GB RAM 128 GB, 6GB RAM (UFS 2.1) 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM
Expandable Storage No No microSDXC (dedicated slot)
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not present gyroscope sensor not present
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 18W
Reverse charging 2.5W
Capacity 3300 mAh 3140 mAh 6000 mAh
Stand by - - -
Talk Time - - -