realme C21Y vs Xiaomi Redmi 10C: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: realme C21Y vs Xiaomi Redmi 10C. The complete information of specifications to decide which to buy.

Compare
Technical data sheets

Basics

realme C21Y
realme C21Y
International · 3GB · 32GB
View datasheet
vs
Xiaomi Redmi 10C
Xiaomi Redmi 10C
Global · 4GB · 64GB · NFC
View datasheet
vs

Score

Ki Cost-effective
Score
6.3 Ki Cost-effective
Score
7.0 Ki Cost-effective
Score
Design and Screen score 4.9Design & Materials 5.1Design & Materials
Performance and Hardware score 5.4Performance & Hardware 5.9Performance & Hardware
Camera score 5.0Camera 5.8Camera
Connectivity score 5.0 Connectivity 6.6 Connectivity
Battery score 7.0 Battery 7.9 Battery

User reviews

User score
8.5
23 reviews
7.6
67 reviews

Technical specifications of the realme C21Y vs Xiaomi Redmi 10C

Specs realme C21Y price comparison realme C21Y
International · 3GB · 32GB
Xiaomi Redmi 10C prices Xiaomi Redmi 10C
Global · 4GB · 64GB · NFC
Inches 6.5" 6.71"
Resolution HD+ HD+
Usable surface 80% useful 83% useful
Aspect Ratio 20:9 20:9
Dimensions 76.0 mm
164.5 mm
9.1 mm
76.6 mm
169.6 mm
8.3 mm
Weight 200 g 190 g
Micro Unisoc Tiger T610
Octa-Core
SnapD. 680
Octa-Core
RAM 3 GB RAM 4 GB RAM
Storage 32 GB 64 GB
AnTuTu 196.316
v9
248.639
v9
Battery 5000 mAh 5000 mAh
Main Camera 1
13 Mpx · ƒ/2.2

2 3
1
50 Mpx · ƒ/1.8
S5KJN1
2
Selfie Camera SELF 5 Mpx · ƒ/2.2 SELF 5 Mpx · ƒ/2.2
Bands
OS Android 10 Q Android 11 Red Velvet Cake

Brand

Brand realme Xiaomi
Aliases RMX3261, Realme C21Y RU 220333QAG, POCO C4

Release Date

Release date July 2021,
2 years ago
March 2022,
2 years ago
State On Sale On Sale
Market International Global

Design & Materials

Structure

realme C21Y
Xiaomi Redmi 10C
realme C21Y
Xiaomi Redmi 10C
Size
76.0 mm 164.5 mm 9.1 mm
Print 3D Model
76.6 mm 169.6 mm 8.3 mm
Print 3D Model
Weight 200 g 190 g
Usable surface 80 % 83 %
Materials Plastic Plastic
Resistance - -
Colors
Black

Cyan
Blue

Gray

Green

Screen

Diagonal 6.5" 6.71"
Type LCD IPS LCD IPS
Aspect Ratio 20:9 20:9
Resolution HD+
720 x 1600 px
HD+
720 x 1650 px
Density 269 Pixels per inch 268 Pixels per inch

Others

Others
  • Water Drop Notch
  • Brightnes 400 cd/m² (typ)
  • TÜV Rheinland Eye Comfort Certification
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch
  • Water Drop Notch
  • Scratch resistant
  • Corning Gorilla Glass
  • 2.5D glass screen
  • Capacitive
  • Multi-touch
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
7.5
7.9
Do you think it's a nice phone?
8.5
7.4
Is it comfortable?
8.1
7.6
Can you see it well in the sunlight?
6.9
7.0
Number of reviews
23 reviews
67 reviews

Performance & Hardware

Processor

Model Unisoc Tiger T610 Qualcomm Snapdragon 680 (SM6225)
CPU 2x1.8 GHz Cortex-A75 + 6x1.8 GHz Cortex-A55 4x2.4 GHz Kryo 265 Gold + 4x1.9GHz Kryo 265 Silver
Type Octa-Core Octa-Core
Manufacturing 12 nm 6 nm
64 Bits Yes Yes

Graphics

GPU ARM Mali-G52 MP2 Adreno 610

RAM

RAM 3 GB 4 GB
Type LPDDR4X RAM LPDDR4X RAM

Storage

Capacity 32 GB 64 GB
Type -- UFS Storage 2.2
SD Slot Yes ,
Independent SD slot
Yes ,
Independent SD slot

Security

Fingerprint Yes, in the back Yes, in the back

Sensors

Sensors
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Fingerprint
  • Light sensor
  • Accelerometer
  • Ultrasonic proximity virtual

Audio

Audio
-
-

Others

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

User reviews

Does it have good sound?
7.9
7.7
Does it work smoothly in everyday use?
9.0
8.5
What's your experience been with demanding games?
8.2
7.2
Number of reviews
23 reviews
67 reviews

Camera

Main

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

Standard

Standard
Resolution 13 Mpx 50 Mpx
Sensor Unknown Samsung S5KJN1
Type CMOS ISOCELL
Aperture ƒ/ 2.2 ƒ/ 1.8
ISO -- --
Pixel size -- 0.64 µm
Pixel Binning -- 1-4 (2x2)
Sensor size -- 1/2.76"
2
Camera type

Portrait mode (depth)

Portrait mode (depth)
Resolution
2 Mpx
2 Mpx
Sensor
Unknown
Omnivision OV02B10
Type
--
CMOS
Aperture
ƒ/ 2.4
ƒ/ 2.4
Pixel size
--
1.75 µm
Pixel Binning
--
--
Sensor size
--
1/5"
3
Camera type

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

Features

Flash LED LED
Optical Stabilisation No No
Slow Motion Video Yes,
120 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
  • Dual 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 5 Mpx
Sensor Unknown Unknown
Type -- CMOS
Aperture ƒ/ 2.2 ƒ/ 2.2
Pixel size -- --
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score

DxOMark Score -- --

User reviews

Quality of daytime photos
7.5
7.7
Quality of nighttime photos
4.8
5.2
Quality of selfies
5.5
5.6
Does it have a powerful flash?
7.3
7.7
Number of reviews
23 reviews
67 reviews

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • 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
  • 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)
  • 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
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo

USB

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

-- --
American measurement

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

-- --

Others

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

User reviews

Does it have good coverage for calls?
8.1
8.3
Quality of the GPS
8.0
7.9
And the WiFi?
8.5
8.2
Number of reviews
23 reviews
67 reviews

Battery

Battery

Capacity
5000 mAh
5000 mAh
Type Li-Polymer Li-Polymer
Fast charge Yes,
10.0W
Yes,
18.0W
Others
  • Non-removable
  • Reverse charging
  • Non-removable

User reviews

How long does the battery last?
  • 0%
    Less than half day
  • 9%
    Less than a day
  • 13%
    One day
  • 61%
    More than one day
  • 17%
    Two days or more
  • 0%
    Less than half day
  • 8%
    Less than a day
  • 30%
    One day
  • 47%
    More than one day
  • 15%
    Two days or more
Number of reviews
23 reviews
67 reviews

Software

Software

Operating System
  • RealmeUI (Android 10)
    Android 10 Q, 4 years ago
  • MIUI V13 (Android 11)
    Android 11 Red Velvet Cake, 3 years ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 13%
    It comes with a clean operating system
  • 70%
    It has preinstalled apps but they don't bother me
  • 17%
    It has preinstalled apps that I can't uninstall
  • 0%
    It comes with a clean operating system
  • 80%
    It has preinstalled apps but they don't bother me
  • 20%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 5%
    Never
  • 15%
    Once a year
  • 55%
    Every six months
  • 25%
    Every two months or less
  • 2%
    Never
  • 4%
    Once a year
  • 54%
    Every six months
  • 40%
    Every two months or less
Number of reviews
23 reviews
67 reviews