realme C21 vs Samsung Galaxy A03: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: realme C21 vs Samsung Galaxy A03. The complete information of specifications to decide which to buy.

Compare
realme C21realme C21Global · 3GB · 32GB
Samsung Galaxy A03Samsung Galaxy A03Global · 3GB · 32GB · SM-A035F
Technical data sheets

Basics
realme C21
realme C21
Global · 3GB · 32GB
View datasheet
vs
Samsung Galaxy A03
Samsung Galaxy A03
Global · 3GB · 32GB · SM-A035F
View datasheet
vs

Score
Ki Cost-effective
Score		 6.1 Ki Cost-effective
Score 		6.3 Ki Cost-effective
Score
Design and Screen score 5.5Design & Materials 5.1Design & Materials
Performance and Hardware score 5.2Performance & Hardware 5.4Performance & Hardware
Camera score 5.3Camera 5.5Camera
Connectivity score 5.4 Connectivity 5.3 Connectivity
Battery score 6.1 Battery 6.1 Battery

User reviews
User score
4.5
9 reviews
6.7
72 reviews

Technical specifications of the realme C21 vs Samsung Galaxy A03

Specs realme C21 price comparison realme C21
Global · 3GB · 32GB 		where to buy Samsung Galaxy A03 Samsung Galaxy A03
Global · 3GB · 32GB · SM-A035F
Inches 6.5" 6.5"
Resolution HD+ HD+
Usable surface 81% useful 81% useful
Aspect Ratio 20:9 20:9
Dimensions 76.4 mm
165.2 mm
8.9 mm 		75.9 mm
164.2 mm
9.1 mm
Weight 190 g 196 g
Micro Helio G35
Octa-Core 		Unisoc T606
Octa-Core
RAM 3 GB RAM 3 GB RAM
Storage 32 GB 32 GB
AnTuTu 110.490
v8 		174.932
v8
Battery 5000 mAh 5000 mAh
Main Camera 1
13 Mpx · ƒ/2.2

2 3 		1
48 Mpx · ƒ/1.8

2
Selfie Camera SELF 5 Mpx · ƒ/2.2 SELF 5 Mpx · ƒ/2.2
Bands
OS Android 10 Q Android 13 Tiramisu

Brand
Brand realme Samsung
Aliases RMX3201 SM-A035F, SM-A035F/DS

Release Date
Release date March 2021,
5 years ago 		November 2021,
4 years ago
State On Sale On Sale
Market Global Global

Design & Materials

Structure

realme C21
Samsung Galaxy A03
realme C21
Samsung Galaxy A03
Size
76.4 mm • 165.2 mm • 8.9 mm
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 Print 3D Model
75.9 mm • 164.2 mm • 9.1 mm
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 Print 3D Model
Weight 190 g 196 g
Usable surface 81 % 81 %
Materials Plastic Plastic
Resistance - -
Colors
Black
Blue
Black
Blue
Red

Screen
Diagonal 6.5" 6.5"
Type LCD IPS LCD IPS
Aspect Ratio 20:9 20:9
Resolution HD+
720 x 1600 px 		HD+
720 x 1600 px
Brightness 400 nits --
Peak brightness -- --
Maximum brightness (HBM) -- --
Density 269 Pixels per inch 270 Pixels per inch

Others

Others
  • Water Drop Notch
  • Touch sampling rate 120 Hz
  • Brightnes 400 cd/m² (typ)
  • 1500:1 contrast ratio
  • TÜV Rheinland Eye Comfort Certification
  • Scratch resistant
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch
  • Frameless
  • Water Drop Notch
  • Capacitive
  • Multi-touch
  • Infinity-V

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
6.1
6.3
Do you think it's a nice phone?
5.8
7.0
Is it comfortable?
6.3
7.2
Can you see it well in the sunlight?
4.6
5.1
Number of reviews
9 reviews
72 reviews

Performance & Hardware

Processor
Model Mediatek Helio G35 Unisoc Tiger T606
CPU 8x Cortex-A53 2.3 GHz 2x1.6 GHz Cortex-A75 + 6x1.6 GHz Cortex-A55
Type Octa-Core Octa-Core
Manufacturing 12 nm 12 nm
64 Bits Yes Yes

Graphics
GPU IMG PowerVR GE8320 680MHz ARM Mali-G57

RAM
RAM 3 GB 3 GB
Type LPDDR4X RAM LPDDR4X RAM

Antutu
Score
110.490
Antutu v8
Overall performance better than 52% of devices
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174.932
Antutu v8
Overall performance better than 54% of devices
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Storage
Capacity 32 GB 32 GB
Type eMMC 5.1 Storage --
SD Slot Yes ,
Independent SD slot 		Yes ,
Independent SD slot

Security
Fingerprint Yes, in the back No

Sensors
Sensors
  • Proximity
  • Light sensor
  • Accelerometer
  • Gravity
  • Magnetometer
  • Proximity
  • Light sensor
  • Accelerometer

Audio

Audio
-
  • Dolby Atmos

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

User reviews

Does it have good sound?
5.3
6.8
Does it work smoothly in everyday use?
3.2
6.5
What's your experience been with demanding games?
2.4
5.1
Number of reviews
9 reviews
72 reviews

Camera

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

Standard

Standard
Resolution 13 Mpx 48 Mpx
Aperture ƒ/ 2.2 ƒ/ 1.8
Optical zoom -- --
View angle -- --
Sensor Unknown Unknown
Type CMOS CMOS
ISO -- --
Pixel size 1.12 µm 0.80 µm
Pixel Binning -- --
Sensor size -- --
2
Camera type

Black & white

Portrait mode (depth)
Resolution
2 Mpx
2 Mpx
Aperture
ƒ/ 2.4
ƒ/ 2.4
Optical zoom
--
--
View angle
--
--
Sensor
Unknown
Unknown
Type
--
--
Pixel size
1.75 µm
--
Pixel Binning
--
--
Sensor size
--
--
3
Camera type

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

Features
Flash LED LED
Optical Stabilisation No No
Slow Motion Video Yes,
90 fps 		No,
30 fps
Others
  • Digital zoom
  • Triple camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Digital zoom
  • Dual camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • 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
Aperture ƒ/ 2.2 ƒ/ 2.2
Optical zoom -- --
View angle -- --
Sensor Unknown Unknown
Type -- --
Pixel size 1.12 µm --
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score
DxOMark Score -- --

User reviews

Quality of daytime photos
5.1
6.1
Quality of nighttime photos
2.3
4.4
Quality of selfies
4.1
5.0
Does it have a powerful flash?
5.0
7.0
Number of reviews
9 reviews
72 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)
  • B3 (1800)
  • 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)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
No official network bands

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
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11ac
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Hotspot
  • Wi-Fi Direct

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)
  • LE (Low Energy)

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

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

SAR
European measurement

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

 0.740 W/Kg on head
1.151 W/Kg on body 		--
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
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • No official network bands

User reviews

Does it have good coverage for calls?
6.4
7.1
Quality of the GPS
5.6
7.2
And the WiFi?
6.0
7.6
Number of reviews
9 reviews
72 reviews

Battery

Battery
Capacity
5000 mAh
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5000 mAh
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Type Lithium Li-Ion
Fast charge Yes,
10.0W 		Yes,
7.5W
Others
  • Reverse charging
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 56%
    One day
  • 33%
    More than one day
  • 11%
    Two days or more
  • 4%
    Less than half day
  • 15%
    Less than a day
  • 40%
    One day
  • 35%
    More than one day
  • 6%
    Two days or more
Number of reviews
9 reviews
72 reviews

Software

Software
Operating System
  • RealmeUI (Android 10)
    Android 10 Q, 7 years ago
  • Android 13
    Android 13 Tiramisu, 4 years ago
Google Services With Google Mobile Services With Google Mobile Services

User reviews

Did it come with preinstalled applications?
  • 0%
    It comes with a clean operating system
  • 44%
    It has preinstalled apps but they don't bother me
  • 56%
    It has preinstalled apps that I can't uninstall
  • 14%
    It comes with a clean operating system
  • 78%
    It has preinstalled apps but they don't bother me
  • 8%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 75%
    Never
  • 13%
    Once a year
  • 0%
    Every six months
  • 13%
    Every two months or less
  • 17%
    Never
  • 14%
    Once a year
  • 49%
    Every six months
  • 20%
    Every two months or less
Number of reviews
9 reviews
72 reviews
Prices
From $ 378 --
From $ 141 --

Others

Common comparisons