Infinix Note 8i vs Xiaomi Redmi 9: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Infinix Note 8i vs Xiaomi Redmi 9. The complete information of specifications to decide which to buy.

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Technical data sheets

Basics

Score

Ki Price/Quality
Score
No price,
no Ki
7.9 Ki Price/Quality
Score
Design and Screen score 5.3 Design & Materials 6.9 Design & Materials
Performance and Hardware score 7.1 Performance & Hardware 6.8 Performance & Hardware
Camera score 5.9 Camera 6.4 Camera
Connectivity score 6.3 Connectivity 7.4 Connectivity
Battery score 8.6 Battery 8.1 Battery

User reviews

User score --
8.7
85 opinions

Summary

Inches 6.78" 6.53"
Resolution HD+ FHD+
Usable surface 82% useful 83% useful
Aspect Ratio 21:9 19.5:9
Dimensions 77.7 mm
171.4 mm
8.9 mm
77.0 mm
163.3 mm
9.1 mm
Weight 183 g 198 g
Micro Helio G80
Octa-Core
Helio G80
Octa-Core
RAM 6 GB RAM 3 GB RAM
Storage 128 GB 32 GB
AnTuTu 203.000
v8
203.078
v8
Battery 5200 mAh 5020 mAh
Main Camera 1
48 Mpx · ƒ/1.9

2 3 4
1
13 Mpx · ƒ/2.2
OV13B10
2 3 4
Selfie Camera SELF 8 Mpx · Unknow SELF 8 Mpx · ƒ/2.0
Bands
OS Android 10 Q Android 10 Q

Brand

Brand Infinix Xiaomi
Aliases -- M2004J19AG

Release Date

Release date October 2020,
5 months ago
June 2020,
10 months ago
State Not available On Sale
Market India Global

Design & Materials

Structure

Infinix Note 8i
Xiaomi Redmi 9
Infinix Note 8i
Xiaomi Redmi 9
Size
77.7 mm
171.4 mm
8.9 mm
Print 3D Model
77.0 mm
163.3 mm
9.1 mm
Print 3D Model
Weight 183 g 198 g
Usable surface 82 % 83 %
Materials - Plastic, Splash resistant design
Resistance - -
Colors
Blue

Gray

Cyan
Black

Green

Cyan

Screen

Diagonal 6.78" 6.53"
Type LCD IPS LCD IPS
Aspect Ratio 21:9 19.5:9
Resolution HD+
720 x 1640 px
FHD+
1080 x 2340 px
Density 264 Pixels per inch 395 Pixels per inch

Others

Others
  • Hole-punch Notch
  • Brightnes 480 cd/m² (typ)
  • 1500:1 contrast ratio
  • Scratch resistant
  • Corning Gorilla Glass
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch
  • Water Drop Notch
  • Brightnes 400 cd/m² (typ)
  • 1500:1 contrast ratio
  • TÜV Rheinland Eye Comfort Certification
  • 70% NTSC
  • Scratch resistant
  • Corning Gorilla Glass 3
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
--
8.0
Do you think it's a nice phone?
--
9.0
Is it comfortable?
--
8.4
Can you see it well in the sunlight?
--
7.0
Number of reviews
--
85 opinions

Performance & Hardware

Processor

Model MediaTek Helio G80 MediaTek Helio G80
CPU 2x Cortex-A75 2.0 GHz + 6x Cortex-A55 1.8 GHz 2x Cortex-A75 2.0 GHz + 6x Cortex-A55 1.8 GHz
Type Octa-Core Octa-Core
Manufacturing 12 nm 12 nm
Frequency 2 GHz 2 GHz
64 Bits Yes Yes

Graphics

GPU ARM Mali-G52 2EEMC2 ARM Mali-G52 2EEMC2

RAM

RAM 6 GB 3 GB
Type LPDDR4X RAM LPDDR4X RAM

Storage

Capacity 128 GB 32 GB
Type -- eMMC 5.1 Storage
SD Slot Yes ,
Independent SD slot
Yes ,
Independent SD slot

Security

Fingerprint Yes, on the side Yes, in the back

Sensors

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

Others

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

User reviews

Does it have good sound?
--
8.6
Does it work smoothly in everyday use?
--
9.0
What's your experience been with demanding games?
--
8.6
Number of reviews
--
85 opinions

Camera

Main

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

Standard

Standard
Resolution 48 Mpx 13 Mpx
Sensor Unknown Omnivision OV13B10
Type CMOS PureCel
Aperture ƒ/ 1.9 ƒ/ 2.2
ISO -- --
Pixel size 0.80 µm 1.12 µm
Pixel Binning -- --
Sensor size -- 1/3.06
2
Camera type

Portrait mode (depth)

Wide Angle lens
Resolution
2 Mpx
8 Mpx
Sensor
Unknown
Samsung S5K4H7
Type
--
PureCel
Aperture
Unknow
ƒ/ 2.2
ISO
--
--
Pixel size
--
1.12 µm
Pixel Binning
--
--
Sensor size
--
1/4
3
Camera type

Macro lens

Portrait mode (depth)
Resolution
2 Mpx
8 Mpx
Sensor
Unknown
Samsung S5K4H7
Type
--
PureCel
Aperture
Unknow
ƒ/ 2.4
ISO
--
--
Pixel size
--
1.12 µm
Pixel Binning
--
--
Sensor size
--
1/4
4
Camera type


Macro lens
Resolution
2 Mpx
5 Mpx
Sensor
Unknown
Unknown
Type
--
--
Aperture
Unknow
ƒ/ 2.4
ISO
--
--
Pixel size
--
--
Pixel Binning
--
--
Sensor size
--
--

Features

Flash Quad LED LED
Optical Stabilisation No No
Slow Motion Video No,
30 fps
Yes,
120 fps
Others
  • Digital zoom
  • Quadruple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Phase detection autofocus (PDAF)
  • HDR
  • Panorama
  • Continuous shooting
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Geotagging
  • Night Mode
  • Face detection
  • Digital zoom
  • Quadruple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer

Selfie

SELF
Camera type

Dedicated

Dedicated
Resolution 8 Mpx 8 Mpx
Sensor Unknown Unknown
Type -- --
Aperture Unknow ƒ/ 2.0
ISO -- --
Pixel size -- --
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score

DxOMark Score -- --

User reviews

Quality of daytime photos
--
8.4
Quality of nighttime photos
--
5.9
Quality of selfies
--
7.9
Does it have a powerful flash?
--
7.8
Number of reviews
--
85 opinions

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • 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)
  • B41 (TDD 2500)
3G
  • B1 (2100)
  • 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 Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display

Bluetooth

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

Navigation

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

USB

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

SAR

European measurement

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

-- 0.789 W/Kg on head
1.065 W/Kg on body
American measurement

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

-- 1.084 W/Kg on head
1.049 W/Kg on body

Others

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

User reviews

Does it have good coverage for calls?
--
9.0
Quality of the GPS
--
8.7
And the WiFi?
--
9.1
Number of reviews
--
85 opinions

Battery

Battery

Capacity
5200 mAh
5020 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?
--
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 21%
    One day
  • 62%
    More than one day
  • 16%
    Two days or more
Number of reviews
--
85 opinions

Software

Software

Operating System
  • X OS 7 (Android 10)
    Android 10 Q, 1 year ago
  • MIUI V11 (Android 10)
    Android 10 Q, 1 year ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
--
  • 5%
    It comes with a clean operating system
  • 82%
    It has preinstalled apps but they don't bother me
  • 13%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
--
  • 0%
    Never
  • 1%
    Once a year
  • 51%
    Every six months
  • 48%
    Every two months or less
Number of reviews
--
85 opinions

Prices

Prices
Prices unavailable

Prices

Prices for the version Global  •  3GB  •  32GB  •  NFC Change