Xiaomi Mi 9 vs Xiaomi Mi8: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Xiaomi Mi 9 vs Xiaomi Mi8. The complete information of specifications to decide which to buy.

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Technical data sheets

Basics

Xiaomi Mi 9
Xiaomi Mi 9
Global · 6GB · 64GB
View datasheet
vs
Xiaomi Mi8
Xiaomi Mi8
Global · 6GB · 64GB
View datasheet
vs

Score

Ki Cost-effective
Score
7.9 Ki Cost-effective
Score
7.3 Ki Cost-effective
Score
Design and Screen score 7.2Design & Materials 6.2Design & Materials
Performance and Hardware score 7.0Performance & Hardware 6.1Performance & Hardware
Camera score 7.0Camera 7.1Camera
Connectivity score 7.1 Connectivity 6.9 Connectivity
Battery score 4.8 Battery 4.9 Battery

User reviews

User score
9.2
289 reviews
9.3
248 reviews

Technical specifications of the Xiaomi Mi 9 vs Xiaomi Mi8

Specs stores to buy Xiaomi Mi 9 Xiaomi Mi 9
Global · 6GB · 64GB
stores to buy Xiaomi Mi8 Xiaomi Mi8
Global · 6GB · 64GB
Inches 6.4" 6.21"
Resolution FHD+ FHD+
Usable surface 86% useful 83% useful
Aspect Ratio 19.5:9 19:9
Dimensions 74.7 mm
157.5 mm
7.6 mm
74.8 mm
154.9 mm
7.6 mm
Weight 173 g 175 g
Micro SnapD. 855
Octa-Core
SnapD. 845
Octa-Core
RAM 6 GB RAM 6 GB RAM
Storage 64 GB 64 GB
AnTuTu 572.657
v10
357.329
v8
Battery 3300 mAh 3400 mAh
Main Camera 1
48 Mpx · ƒ/1.75
IMX586 Exmor RS
2 3
1
12 Mpx · ƒ/1.8
IMX363 Exmor RS
2
Selfie Camera SELF 24.8 Mpx · ƒ/2.0 SELF 20 Mpx · ƒ/2.0
Bands
OS Android 11 Red Velvet Cake Android 10 Q

Brand

Brand Xiaomi Xiaomi
Aliases Xiaomi Mi9, M1902F1A, M1902F1T Xiaomi Mi 8

Release Date

Release date February 2019,
5 years ago
May 2018,
5 years ago
State On Sale On Sale
Market Global Global

Design & Materials

Structure

Xiaomi Mi 9
Xiaomi Mi8
Xiaomi Mi 9
Xiaomi Mi8
Size
74.7 mm 157.5 mm 7.6 mm
Print 3D Model
74.8 mm 154.9 mm 7.6 mm
Print 3D Model
Weight 173 g 175 g
Usable surface 86 % 83 %
Materials Ceramics Glass, Metal
Resistance - -
Colors
Black

Blue

Violet
Black

White

Blue

Gold

Screen

Diagonal 6.4" 6.21"
Type AMOLED AMOLED
Aspect Ratio 19.5:9 19:9
Resolution FHD+
1080 x 2340 px
FHD+
1080 x 2248 px
Density 403 Pixels per inch 402 Pixels per inch

Others

Others
  • Water Drop Notch
  • Brightnes 600 cd/m² (typ)
  • 60000:1 contrast ratio
  • Always-On Display
  • HDR10
  • 103% NTSC
  • LED Notifications
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass 6
  • Capacitive
  • Multi-touch
  • Frameless
  • Wide screen notch
  • Brightnes 600 cd/m² (typ)
  • 60000:1 contrast ratio
  • HDR
  • LED Notifications
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass 5
  • Capacitive
  • Multi-touch
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
8.2
8.1
Do you think it's a nice phone?
9.5
9.3
Is it comfortable?
9.2
9.3
Can you see it well in the sunlight?
9.1
8.9
Number of reviews
289 reviews
248 reviews

Performance & Hardware

Processor

Model Qualcomm Snapdragon 855 Qualcomm Snapdragon 845
CPU 1x Kryo 485 2.84 GHz + 3x Kryo 485 2.4 GHz + 4x Kryo 485 1.8 GHz 4x Kryo 385 2.8 GHz + 4x Kryo 385 1.8 GHz
Type Octa-Core Octa-Core
Manufacturing 7 nm 10 nm
64 Bits Yes Yes

Graphics

GPU Qualcomm Adreno 640 600MHz Qualcomm Adreno 630 710MHz

RAM

RAM 6 GB 6 GB
Type LPDDR4X RAM LPDDR4X RAM

Storage

Capacity 64 GB 64 GB
Type UFS Storage 2.1 UFS Storage 2.1
SD Slot No No

Security

Fingerprint Yes, in screen Yes, in the back

Sensors

Sensors
  • Fingerprint
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Hall
  • Ultrasonic proximity virtual
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Barometer
  • Hall

Audio

Audio
-
-

Others

Notifications LED LED Notifications LED Notifications
Cooling system Yes No
Gaming buttons No No

User reviews

Does it have good sound?
8.4
8.1
Does it work smoothly in everyday use?
9.5
9.6
What's your experience been with demanding games?
9.5
9.3
Number of reviews
289 reviews
248 reviews

Camera

Main

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

Standard

Standard
Resolution 48 Mpx 12 Mpx
Sensor Sony IMX586 Exmor RS Sony IMX363 Exmor RS
Type CMOS CMOS BSI
Aperture ƒ/ 1.75 ƒ/ 1.8
ISO 100 - 3200 --
Pixel size 0.80 µm 1.40 µm
Pixel Binning 1-4 (2x2) --
Sensor size 1/2" 1/2.55"
2
Camera type

Telephoto lens

Telephoto lens
Resolution
13 Mpx
13 Mpx
Sensor
Samsung S5K3M5
Samsung S5K3M3
Type
ISOCELL
ISOCELL
Aperture
ƒ/ 2.2
ƒ/ 2.4
Pixel size
1.00 µm
1.00 µm
Pixel Binning
--
--
Sensor size
1/3.4"
1/3.4"
3
Camera type

Wide Angle lens
--
Resolution
16 Mpx
Sensor
Sony IMX481
Type
CMOS BSI
Aperture
ƒ/ 2.2
Pixel size
1.00 µm
Pixel Binning
--
Sensor size
1/3.09"

Features

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

Selfie

SELF
Camera type

Dedicated

Dedicated
Resolution 24.8 Mpx 20 Mpx
Sensor Sony IMX576 Exmor RS Samsung S5K3T1
Type CMOS BSI ISOCELL
Aperture ƒ/ 2.0 ƒ/ 2.0
Pixel size 0.90 µm 0.90 µm
Pixel Binning 1-4 (2x2) 1-4 (2x2)
Sensor size 1/2.78" 1/3.1"
Others
--
--

DxOMark Score

DxOMark Score
110
Mobile
115
Photo
99
Video
99
Mobile
105
Photo
88
Video

User reviews

Quality of daytime photos
9.4
9.5
Quality of nighttime photos
8.2
8.3
Quality of selfies
8.8
8.9
Does it have a powerful flash?
8.7
8.9
Number of reviews
289 reviews
248 reviews
Kimovil Photo Lab

Xiaomi Mi8 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)
  • B12 (700)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B17 (700)
  • B20 (800)
  • B34 (TDD 2100)
  • B38 (TDD 2600)
  • B39 (TDD 1900)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B34 (TD 2000)
  • B39 (TD 1900+)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B34 (TD 2000)
  • B39 (TD 1900+)
2G
  • CDMA2000 1X
  • CDMA BC0 (800)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • CDMA BC0 (800)
  • 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
  • Wi-Fi MiMO

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)
  • LE (Low Energy)
  • APT-x

Navigation

Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo
  • GPS (L1+L5)
  • GLONASS (L1)
  • BeiDou (B1)
  • Galileo (E1+E5a)
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo

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.

1.389 W/Kg on head
1.301 W/Kg on body
0.701 W/Kg on head
1.662 W/Kg on body
American measurement

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

0.990 W/Kg on head
1.040 W/Kg on body
--

Others

Others
  • NFC
  • Computer sync
  • OTA sync
  • Infrared
  • Tethering.
  • DLNA
  • VoLTE
  • NFC
  • Computer sync
  • OTA sync
  • Tethering.
  • DLNA
  • VoLTE

User reviews

Does it have good coverage for calls?
9.3
9.2
Quality of the GPS
9.3
9.3
And the WiFi?
9.4
9.5
Number of reviews
289 reviews
248 reviews

Battery

Battery

Capacity
3300 mAh
3400 mAh
Type Li-Polymer Li-Polymer
Fast charge Yes,
27.0W
Yes,
18.0W
Others
  • Wireless charging
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
  • 5%
    Less than half day
  • 25%
    Less than a day
  • 42%
    One day
  • 25%
    More than one day
  • 3%
    Two days or more
  • 1%
    Less than half day
  • 13%
    Less than a day
  • 41%
    One day
  • 40%
    More than one day
  • 4%
    Two days or more
Number of reviews
289 reviews
248 reviews

Software

Software

Operating System
  • MIUI V12 (Android 11)
    Android 11 Red Velvet Cake, 3 years ago
  • MIUI V11 (Android 10)
    Android 10 Q, 4 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 7%
    It comes with a clean operating system
  • 79%
    It has preinstalled apps but they don't bother me
  • 14%
    It has preinstalled apps that I can't uninstall
  • 4%
    It comes with a clean operating system
  • 83%
    It has preinstalled apps but they don't bother me
  • 14%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 3%
    Never
  • 3%
    Once a year
  • 39%
    Every six months
  • 56%
    Every two months or less
  • 3%
    Never
  • 3%
    Once a year
  • 34%
    Every six months
  • 60%
    Every two months or less
Number of reviews
289 reviews
248 reviews