realme C31 vs Xiaomi Redmi 9: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: realme C31 vs Xiaomi Redmi 9. The complete information of specifications to decide which to buy.

Compare
realme C31realme C31Global · 3GB · 32GB
Xiaomi Redmi 9Xiaomi Redmi 9Global · 3GB · 32GB · NFC
Technical data sheets

Basics
realme C31
realme C31
Global · 3GB · 32GB
View datasheet
vs
Xiaomi Redmi 9
Xiaomi Redmi 9
Global · 3GB · 32GB · NFC
View datasheet
vs

Score
Ki Cost-effective
Score		 6.3 Ki Cost-effective
Score 		-- Not available
Design and Screen score 5.4Design & Materials --Design & Materials
Performance and Hardware score 5.4Performance & Hardware --Performance & Hardware
Camera score 5.4Camera --Camera
Connectivity score 5.3 Connectivity -- Connectivity
Battery score 6.0 Battery --Battery

User reviews
User score
--
3 reviews
7.7
237 reviews

Technical specifications of the realme C31 vs Xiaomi Redmi 9

Specs realme C31 price comparison realme C31
Global · 3GB · 32GB 		Xiaomi Redmi 9 prices Xiaomi Redmi 9
Global · 3GB · 32GB · NFC
Inches 6.5" 6.53"
Resolution HD+ FHD+
Usable surface 81% useful 83% useful
Aspect Ratio 20:9 19.5:9
Dimensions 76.2 mm
164.7 mm
8.4 mm 		77.0 mm
163.3 mm
9.1 mm
Weight 197 g 198 g
Micro Unisoc T612
Octa-Core 		Helio G80
Octa-Core
RAM 3 GB RAM 3 GB RAM
Storage 32 GB 32 GB
AnTuTu 224.223
v9 		203.078
v8
Battery 5000 mAh 5020 mAh
Main Camera 1
13 Mpx · ƒ/2.2

2 3 		1
13 Mpx · ƒ/2.2
OV13B10
2 3 4
Selfie Camera SELF 5 Mpx · ƒ/2.2 SELF 8 Mpx · ƒ/2.0
Bands
OS Android 11 Red Velvet Cake Android 10 Q

Brand
Brand realme Xiaomi
Aliases -- M2004J19AG

Release Date
Release date March 2022,
4 years ago 		June 2020,
6 years ago
State On Sale Not available
Market Global Global

Design & Materials

Structure

realme C31
Xiaomi Redmi 9
realme C31
Xiaomi Redmi 9
Size
76.2 mm • 164.7 mm • 8.4 mm
See more details
 Print 3D Model
77.0 mm • 163.3 mm • 9.1 mm
See more details
 Print 3D Model
Weight 197 g 198 g
Usable surface 81 % 83 %
Materials Plastic Plastic, Splash resistant design
Resistance - -
Colors
Silver
Green
Black
Green
Cyan

Screen
Diagonal 6.5" 6.53"
Type LCD IPS LCD IPS
Aspect Ratio 20:9 19.5:9
Resolution HD+
720 x 1600 px 		FHD+
1080 x 2340 px
Brightness 400 nits 400 nits
Peak brightness -- --
Maximum brightness (HBM) -- --
Density 270 Pixels per inch 395 Pixels per inch

Others

Others
  • Water Drop Notch
  • Touch sampling rate 120 Hz
  • Brightnes 400 cd/m² (typ)
  • 1500:1 contrast ratio
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch
  • Frameless
  • 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?
--
7.9
Do you think it's a nice phone?
--
8.0
Is it comfortable?
--
8.1
Can you see it well in the sunlight?
--
5.8
Number of reviews
--
237 reviews

Performance & Hardware

Processor
Model Unisoc Tiger T612 / T7225 MediaTek Helio G80 (MT6769T)
CPU 2 x ARM Cortex-A75 1.8Ghz + 6 x ARM Cortex-A55 1.8Ghz 2x Cortex-A75 2.0 GHz + 6x Cortex-A55 1.8 GHz
Type Octa-Core Octa-Core
Manufacturing 12 nm 12 nm
64 Bits Yes Yes

Graphics
GPU Mali-G57 MP1 ARM Mali-G52 2EEMC2

RAM
RAM 3 GB 3 GB
Type LPDDR4X RAM LPDDR4X RAM

Antutu
Score
224.223
Antutu v9
Overall performance better than 56% of devices
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203.078
Antutu v8
Overall performance better than 11% of devices
See more details

Storage
Capacity 32 GB 32 GB
Type UFS Storage 2.2 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
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Geomagnetic
  • Fingerprint
  • Light sensor
  • Accelerometer
  • Compass
  • Ultrasonic proximity virtual

Audio

Audio
-
  • Noise cancellation microphone

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

User reviews

Does it have good sound?
--
7.7
Does it work smoothly in everyday use?
--
7.7
What's your experience been with demanding games?
--
6.8
Number of reviews
--
237 reviews

Camera

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

Standard

Standard
Resolution 13 Mpx 13 Mpx
Aperture ƒ/ 2.2 ƒ/ 2.2
Optical zoom -- --
View angle -- --
Sensor Unknown Omnivision OV13B10
Type CMOS PureCel
ISO -- --
Pixel size -- 1.12 µm
Pixel Binning -- --
Sensor size -- 1/3.06"
2
Camera type

Black & white

Wide Angle lens
Resolution
2 Mpx
8 Mpx
Aperture
ƒ/ 2.8
ƒ/ 2.2
Optical zoom
--
--
View angle
--
--
Sensor
Unknown
Samsung S5K4H7
Type
--
PureCel
Pixel size
--
1.12 µm
Pixel Binning
--
--
Sensor size
--
1/4"
3
Camera type

Macro lens

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

Macro lens
Resolution
5 Mpx
Aperture
ƒ/ 2.4
Optical zoom
--
View angle
--
Sensor
Unknown
Type
--
Pixel size
--
Pixel Binning
--
Sensor size
--

Features
Flash LED LED
Optical Stabilisation No No
Slow Motion Video No,
30 fps 		Yes,
120 fps
Others
  • Digital zoom
  • Triple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Phase detection autofocus (PDAF)
  • Contrast detection autofocus (CDAF)
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • 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 5 Mpx 8 Mpx
Aperture ƒ/ 2.2 ƒ/ 2.0
Optical zoom -- --
View angle -- --
Sensor Unknown Unknown
Type -- --
Pixel size -- --
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score
DxOMark Score -- --

User reviews

Quality of daytime photos
--
7.4
Quality of nighttime photos
--
5.1
Quality of selfies
--
6.7
Does it have a powerful flash?
--
7.3
Number of reviews
--
237 reviews

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • 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
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Others
  • Wi-Fi Hotspot
  • 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)
  • EDR (Enhanced Data Rate)
  • LE (Low Energy)
  • 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
  • Mass Storage
  • USB On-The-Go (OTG)
  • 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
  • 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?
--
8.3
Quality of the GPS
--
8.1
And the WiFi?
--
8.4
Number of reviews
--
237 reviews

Battery

Battery
Capacity
5000 mAh
See more details
5020 mAh
See more details
Type Li-Polymer Li-Polymer
Fast charge Yes,
10.0W 		Yes,
18.0W
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
--
  • 2%
    Less than half day
  • 6%
    Less than a day
  • 31%
    One day
  • 47%
    More than one day
  • 14%
    Two days or more
Number of reviews
--
237 reviews

Software

Software
Operating System
  • RealmeUI 2.0 (Android 11)
    Android 11 Red Velvet Cake, 6 years ago
  • MIUI V11 (Android 10)
    Android 10 Q, 7 years ago
Google Services With Google Mobile Services With Google Mobile Services

User reviews

Did it come with preinstalled applications?
--
  • 7%
    It comes with a clean operating system
  • 77%
    It has preinstalled apps but they don't bother me
  • 16%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
--
  • 10%
    Never
  • 9%
    Once a year
  • 52%
    Every six months
  • 29%
    Every two months or less
Number of reviews
--
237 reviews
Prices
From $ 122 --
Prices unavailable

Others

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