Xiaomi Mi 9 SE vs Xiaomi Mi A3: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Xiaomi Mi 9 SE vs Xiaomi Mi A3. The complete information of specifications to decide which to buy.

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Technical data sheets

Basics

Score

Ki Price/Quality
Score
8.1 Ki Price/Quality
Score
8.0 Ki Price/Quality
Score
Design and Screen score 8.2 Design & Materials 7.0 Design & Materials
Performance and Hardware score 7.1 Performance & Hardware 6.8 Performance & Hardware
Camera score 8.2 Camera 7.7 Camera
Connectivity score 7.4 Connectivity 7.1 Connectivity
Battery score 4.7 Battery 6.9 Battery

User reviews

User score
9.2
103 opinions
8.8
193 opinions

Summary

Inches 5.97" 6.09"
Resolution FHD+ HD+
Usable surface 85% useful 82% useful
Aspect Ratio 19.5:9 19.5:9
Dimensions 70.5 mm
147.5 mm
7.5 mm
71.9 mm
153.5 mm
8.5 mm
Weight 155 g 174 g
Micro SnapD. 712
Octa-Core
SnapD. 665
Octa-Core
RAM 6 GB RAM 4 GB RAM
Storage 64 GB 64 GB
AnTuTu 226.183
v8
176.750
v8
Battery 3070 mAh 4030 mAh
Main Camera 1
48 Mpx · ƒ/1.75
IMX586 Exmor RS
2 3
1
48 Mpx · ƒ/1.79
IMX582 Exmor RS
2 3
Selfie Camera SELF 24.8 Mpx · ƒ/2.0 SELF 32 Mpx · ƒ/2.0
Bands
OS Android 9.0 P Android 10 Q

Brand

Brand Xiaomi Xiaomi
Aliases Xiaomi Mi9 SE, M1903F2G M1906F9SH, Xiaomi MiA3 Lite, Xiaomi MiA3, mia3

Release Date

Release date February 2019,
2 years ago
July 2019,
1 year ago
State On Sale On Sale
Market Global Global

Design & Materials

Structure

Xiaomi Mi 9 SE
Xiaomi Mi A3
Xiaomi Mi 9 SE
Xiaomi Mi A3
Size
70.5 mm
147.5 mm
7.5 mm
Print 3D Model
71.9 mm
153.5 mm
8.5 mm
Print 3D Model
Weight 155 g 174 g
Usable surface 85 % 82 %
Materials Aluminium alloy Aluminium alloy
Resistance - -
Colors
Black

Blue

Pink
Black

White

Blue

Screen

Diagonal 5.97" 6.09"
Type Amoled Samsung Amoled Samsung
Aspect Ratio 19.5:9 19.5:9
Resolution FHD+
1080 x 2340 px
HD+
720 x 1560 px
Density 432 Pixels per inch 282 Pixels per inch

Others

Others
  • Water Drop Notch
  • Brightnes 600 cd/m² (typ)
  • 60000:1 contrast ratio
  • Always-On Display
  • HDR10
  • 103% NTSC
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass 5
  • Capacitive
  • Multi-touch
  • Frameless
  • Water Drop Notch
  • Brightnes 350 cd/m² (typ)
  • 60000:1 contrast ratio
  • DC dimming
  • 103% NTSC
  • LED Notifications
  • 2.5D curved glass screen
  • Corning Gorilla Glass 5
  • 3D curved glass screen
  • Capacitive
  • Multi-touch
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
8.2
7.8
Do you think it's a nice phone?
9.6
9.3
Is it comfortable?
9.5
9.1
Can you see it well in the sunlight?
9.3
7.7
Number of reviews
103 opinions
193 opinions

Performance & Hardware

Processor

Model Qualcomm Snapdragon 712 Qualcomm Snapdragon 665
CPU 2x Kryo 360 2.2 GHz + 6x Kryo 360 1.7 GHz 4x Kryo 260 2.0 GHz + 4x Kryo 260 1.8 GHz
Type Octa-Core Octa-Core
Manufacturing 10 nm 11 nm
Frequency 2.2 GHz 2 GHz
64 Bits Yes Yes

Graphics

GPU Qualcomm Adreno 616 Qualcomm Adreno 610

RAM

RAM 6 GB 4 GB
Type LPDDR4X RAM LPDDR4X RAM

Storage

Capacity 64 GB 64 GB
Type UFS Storage 2.1 UFS Storage 2.1
SD Slot No Yes ,
Slot for SD or second SIM card

Security

Fingerprint Yes, in screen Yes, in screen

Sensors

Sensors
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope

Others

Notifications LED -- LED Notifications
Cooling system No No
Gaming buttons No No

User reviews

Does it have good sound?
8.3
8.8
Does it work smoothly in everyday use?
9.3
9.0
What's your experience been with demanding games?
8.9
8.1
Number of reviews
103 opinions
193 opinions

Camera

Main

No. of cameras Triple rear camera Triple rear camera
1
Camera type

Standard

Standard
Resolution 48 Mpx 48 Mpx
Sensor Sony IMX586 Exmor RS Sony IMX582 Exmor RS
Type CMOS CMOS
Aperture ƒ/ 1.75 ƒ/ 1.79
ISO 100 - 3200 --
Pixel size 0.80 µm 0.80 µm
Pixel Binning 1-4 (2x2) 1-4 (2x2)
Sensor size 1/2.25 1/2.25
2
Camera type

Telephoto lens

Wide Angle lens
Resolution
8 Mpx
8 Mpx
Sensor
Omnivision OV8856
Unknown
Type
PureCel
--
Aperture
ƒ/ 2.4
ƒ/ 2.2
ISO
--
--
Pixel size
1.12 µm
1.12 µm
Pixel Binning
--
--
Sensor size
1/4
--
3
Camera type

Wide Angle lens

Portrait mode (depth)
Resolution
13 Mpx
2 Mpx
Sensor
Samsung S5K3L6
Unknown
Type
ISOCELL
--
Aperture
ƒ/ 2.4
ƒ/ 2.4
ISO
--
--
Pixel size
1.12 µm
1.75 µm
Pixel Binning
--
--
Sensor size
1/3.1
--

Features

Flash Dual LED Dual LED
Optical Stabilisation No No
Slow Motion Video Yes,
960 fps
Yes,
240 fps
Others
  • 4K Video
  • Digital zoom
  • Optical zoom
  • Triple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Face detection
  • Continuous shooting
  • ISO settings
  • HDR
  • Exposure compensation
  • Scene mode
  • Self-timer
  • RAW
  • Geotagging
  • White balance settings
  • 4K Video
  • Digital zoom
  • Triple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer

Selfie

SELF
Camera type

Dedicated

Dedicated
Resolution 24.8 Mpx 32 Mpx
Sensor Sony IMX576 Exmor RS Samsung S5KGD1
Type CMOS BSI ISOCELL
Aperture ƒ/ 2.0 ƒ/ 2.0
ISO -- --
Pixel size 1.00 µm 0.80 µm
Pixel Binning 1-4 (2x2) 1-4 (2x2)
Sensor size 1/2.78 1/2.8
Others
--
--

DxOMark Score

DxOMark Score -- --

User reviews

Quality of daytime photos
9.4
9.3
Quality of nighttime photos
8.1
8.2
Quality of selfies
8.9
9.1
Does it have a powerful flash?
8.5
8.0
Number of reviews
103 opinions
193 opinions
Kimovil Photo Lab

Xiaomi Mi 9 SE vs Xiaomi Mi A3 camera: Comparison of real photos

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card

Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM

Wi-Fi

Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi MiMO
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display

Bluetooth

Version Bluetooth 5.0 LE Low energy consumption Bluetooth 5.0 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • LE (Low Energy)
  • APT-x
  • A2DP (Advanced Audio Distribution Profile)
  • EDR (Enhanced Data Rate)
  • HID (Human Interface Profile)
  • LE (Low Energy)

Navigation

Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo
  • GPS
  • A-GPS
  • GLONASS
  • Beidou

USB

USB
  • Charging
  • Host
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • Charging
  • Host
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C

SAR

European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

1.385 W/Kg on head
1.385 W/Kg on body
0.301 W/Kg on head
1.097 W/Kg on body
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

1.190 W/Kg on head
1.170 W/Kg on body
1.030 W/Kg on head
1.070 W/Kg on body

Others

Others
  • NFC
  • Computer sync
  • OTA sync
  • Infrared
  • Tethering.
  • DLNA
  • VoLTE
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Infrared
  • VoLTE

User reviews

Does it have good coverage for calls?
9.1
9.0
Quality of the GPS
9.3
8.9
And the WiFi?
9.2
8.8
Number of reviews
103 opinions
193 opinions

Battery

Battery

Capacity
3070 mAh
4030 mAh
Type Li-Polymer Li-Polymer
Fast charge Yes,
18.0W
Yes,
18.0W
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
  • 1%
    Less than half day
  • 16%
    Less than a day
  • 53%
    One day
  • 29%
    More than one day
  • 1%
    Two days or more
  • 1%
    Less than half day
  • 3%
    Less than a day
  • 17%
    One day
  • 66%
    More than one day
  • 14%
    Two days or more
Number of reviews
103 opinions
193 opinions

Software

Software

Operating System
  • MIUI V11 (Android 9 P)
    Android 9.0 P, 2 years ago
  • Android 10
    Android 10 Q, 1 year ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 6%
    It comes with a clean operating system
  • 84%
    It has preinstalled apps but they don't bother me
  • 10%
    It has preinstalled apps that I can't uninstall
  • 51%
    It comes with a clean operating system
  • 48%
    It has preinstalled apps but they don't bother me
  • 2%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 0%
    Never
  • 1%
    Once a year
  • 30%
    Every six months
  • 69%
    Every two months or less
  • 2%
    Never
  • 3%
    Once a year
  • 22%
    Every six months
  • 73%
    Every two months or less
Number of reviews
103 opinions
193 opinions

Prices

Prices

Prices

Prices