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Realme C21 vs Redmi 9 Activ

Realme C21 RealmeC21
VS
Redmi 9 Activ XiaomiRedmi 9 Activ

The third device is shown on desktop screens only

Realme C21 Realme C21 Realme Price $140 Full specs
Redmi 9 Activ Redmi 9 Activ Xiaomi Lowest price Price $130 Full specs

General

Device Type
Smart Phone
Smart Phone
Device Name
Realme C21RMX3201
Redmi 9 Activ
Announced
March 2021
September 2021
Released
March 2021
September 2021
Colors
Cross BlackCross Blue
Carbon BlackCoral GreenMetallic Purple

Design

Length
165.2 mm (6.50 in)
164.9 mm (6.49 in)
Width
76.4 mm (3.01 in)
77.1 mm (3.04 in)
Thickness
8.9 mm (0.35 in)
9 mm (0.35 in)
Weight
190 g (6.70 oz)
194 g (6.84 oz)
Materials
Glass frontPlastic backPlastic frame
—

Network

2G Network
Yes
Yes
3G Network
Yes
Yes
4G Network
Yes
Yes
GPRS
Yes
Yes
EDGE
Yes
Yes
SIM
Nano SIM
Nano SIM
Multi SIM
Dual SIM: SIM1 + SIM2 + MicroSD
Dual SIM: SIM1 + SIM2 + MicroSD
Speed
3G Up to 42 MB4G Up to 150 MB
Same on both

Display

Display Type
IPS LCD
IPS LCD
Size
6.5 Inches
6.53 Inches
Resolution
720x1600 Pixels (HD+)
720x1600 Pixels (HD+)
Screen Ratio
80.8%
81.0%
Aspect Ratio
20:9
20:9
Pixel Density
270 PPI
269 PPI
Brightness Level
400 Nits
400 Nits
Features
Water Drop NotchEye Care DisplayDark ModeCapacitiveMulti-touch16M Colors
Same on both

Hardware

Chipset
MediaTek Helio G35
MediaTek Helio G35
Manufacturing Technology
12 nm
12 nm
CPU Type
8 (Octa-core)
8 (Octa-core)
CPU
4x2.3 GHz (Cortex-A53)4x1.8 GHz (Cortex-A53)
Same on both
GPU
PowerVR GE8320
PowerVR GE8320
RAM (Memory)
3/4 GB3 GB (32 GB)4 GB (64 GB)
4/6 GB4 GB (64 GB)6 GB (128 GB)
Internal Storage
32/64 GB
64/128 GB
Storage Type
eMMC 5.1
eMMC 5.1
Ram Type
LPDDR4x
LPDDR4x
Card Slot
Yes - MicroSD
Yes - MicroSD

Software

OS
Android 10
Android 10
User Interface
Realme UI
MIUI 12

Main camera

Camera Setup
Triple Camera
Dual Camera
Resolution
13 + 2 + 2 MP
13 MP + 2 MP
Camera
13 MP: Standard2 MP: Macro2 MP: Depth
13 MP: Standard2 MP: Depth
Aperture Size
F/2.2 (13 MP)F/2.4 (2 MP)F/2.4 (2 MP)
F/2.2 (13 MP)F/2.4 (2 MP)
Zoom
Digital Zoom 4x
Digital Zoom
Slow Motion
HD 720P@120fps
—
Video
FHD 1080P@30fps
FHD 1080P@30fps
Flash
Yes
Yes
More details (1)Camera Features
Camera Features
Night Mode
No extras
On both: Autofocus (AF), Portrait Mode, Pro Mode, AI Scene Detection, Continuous shooting, Panorama, Exposure compensation, Face detection, Geotagging, HDR, ISO settings, Scene mode, Self-timer, Touch focus, White balance settings

Selfie Camera

Camera
5 MP
5 MP
Aperture Size
F/2.2
F/2.2
Video
FHD 1080P@30fps
FHD 1080P@30fps
Flash
No
No
More details (1)Camera Features
Camera Features
Portrait ModeFace DetectionBeauty ModeGesture ShotHDR
Same on both

Connectivity

Wi-Fi
No extras
Wi-Fi Direct
On both: Wi-Fi 802.11, b/g/n, Hotspot
Bluetooth
5.0A2DPLE
Same on both
Location
GPSA-GPSGLONASSBDS
Same on both
NFC
No
No
USB
MicroUSB 2.0
MicroUSB 2.0

Media

Loudspeaker
Yes
Yes
3.5mm jack
Yes
Yes
FM Radio
Yes
Yes

Other specifications

Sensors
AccelerometerProximityCompass
AccelerometerProximity
Lock Type
Fingerprint (Rear-mounted)Facial RecognitionPatternPINPassword
Same on both
Water/Dust Resistant
—
Water-repellent coating
Box Contents
DeviceUSB CablePower AdapterProtective CaseSIM Eject ToolQuick start guide
Same on both

Charging and Battery

Fast Charging
Yes - 10 W
Yes - 10 W
Capacity
5000 mAh
5000 mAh

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