POCO C31 (4GB RAM + 64GB) vs Realme C21 (4GB RAM + 64GB)

Here you can compare POCO C31 (4GB RAM + 64GB) and Realme C21 (4GB RAM + 64GB). Comparing POCO C31 (4GB RAM + 64GB) vs Realme C21 (4GB RAM + 64GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how POCO C31 (4GB RAM + 64GB) stands against Realme C21 (4GB RAM + 64GB) and which one should you buy The current lowest price found for POCO C31 (4GB RAM + 64GB) is ₹9,499 and for Realme C21 (4GB RAM + 64GB) is ₹9,999. The details of both of these products were last updated on Sep 16, 2026.

Specification	POCO C31 (4GB RAM + 64GB)	Realme C21 (4GB RAM + 64GB)
Rear Camera	13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 Portrait 2 MP ƒ/2.4 (Macro) Macro	13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Mono
Battery	5000 mAh, Li-Po Battery	5000 mAh, Li-Po Battery
OS	Android v10	Android v10, upgradable to v11
RAM	4 GB	4 GB
Internal Memory	64 GB	64 GB
Price	₹9,499	₹9,999

POCO C31 (4GB RAM + 64GB)₹9,499

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Realme C21 (4GB RAM + 64GB)₹9,999

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POCO C31 (4GB RAM + 64GB)₹9,499

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Realme C21 (4GB RAM + 64GB)₹9,999

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Overview

Specs Score	39 / 100	39 / 100
Screen To Body Ratio	~ 81.1%	~ 89.5% Less Bezels
Unique Features	FM Radio No	No Reverse Charging

General

Model	C31	RMX3201, C21
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	Nano+Nano SIM	Nano+Nano SIM
Device Type	Smartphone	Smartphone
Release Date	September 30, 2021	April 8, 2021

Design

Dimensions	77 x 164.9 x 9 mm	76.4 x 165.2 x 8.9 mm
Weight	194 g	190 g

Display

Type	Color IPS LCD Screen (16M Colors)	Color IPS LCD Screen (16.7M)
Touch	Yes	Yes, 120 Hz Touch Sampling Rate
Size	6.53 inches, 720 x 1600 pixels	6.5 inches, 1600 x 720 pixels, 60 Hz
Aspect Ratio	20:9	20:09
PPI	~ 269 PPI	~ 269 PPI
Screen to Body Ratio	~ 81.1%	~ 89.5%
Features	Panda Glass, 1500:1 Contrast Ratio, 70.8% NTSC Ratio	120 Hz Touch , Sunlight Screen Support, COG Sealing Process, WideVine L3
Notch	Yes, Water Drop Notch	Yes, Water Drop Notch

Memory

RAM	4 GB	4 GB
Storage	64 GB	64 GB
Card Slot	Yes, upto 512 GB	Yes, upto 256 GB

Connectivity

GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes
4G	Yes	Yes
VoLTE	Yes, Dual Stand-By	Yes
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Bluetooth	Yes, v5.0, A2DP, LE	Yes, v5.0
USB	Yes, microUSB	Yes, microUSB
USB Features	USB Tethering, USB on-the-go, USB Charging	USB on-the-go, USB Charging
IR Blaster	No

Extra

GPS	Yes, with A-GPS, GLONASS, BeiDou	Yes
Fingerprint Sensor	Yes, Rear	Yes, Rear
Face Unlock	Yes	Yes
Sensors	Ambient Light Sensor, Proximity Sensor, Accelerometer	Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Acceleration Sensor
3.5mm Headphone Jack	Yes	Yes
Splash Resistant	No
Extra Features	Screen Mirror/Cast, Dual App Support	Night Shield, Step Tracker, Game Space, APP Market, Theme Store, Clone Phone, Phone Manager, Telephone Number Identification, TUV Rheinland Certified

Camera

Rear Camera	13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 Portrait 2 MP ƒ/2.4 (Macro) Macro	13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Mono
Camera Sensor		CMOS Sensor
Auto Focus	Yes	Yes
Features	Phase Detection Auto Focus, HDR, AI Portrait Mode, Face Recognition, AI Scene Detection, Night Mode	Supports 20 Continuous Shooting, Photograph Functions: Night Mode, Panoramic View, Expert, Timelapse, Portrait Mode, HDR, Ultra Macro, AI Beauty, Filter, Chroma Boost, Video Recording Functions: Filter, Slow Motion, HDR
Video Recording	1080p @ 30 fps FHD	720p, 720P
Flash	Yes, LED	Yes, LED
Front Camera	5 MP ƒ/2.2 (Wide Angle)	5 MP
Front Video Recording	1080p @ 30 fps FHD	720p

Technical

OS	Android v10	Android v10, upgradable to v11
Chipset	MediaTek Helio G35	MediaTek Helio G35
CPU	2.3 GHz, Octa Core Processor	2.3 GHz, Octa Core Processor
Core Details	Arm Cortex-A53	Arm Cortex-A53
GPU	IMG PowerVR GE8320	IMG GE8320
Java	No	No
Browser	Yes, supports HTML5	Yes

Multimedia

Email	Yes	Yes
Music	Yes	AAC, HE-AAC v1, HE-AAC v2, AMR, AWB, MIDI, MP3, OGG VORBIS
Video	Yes	MP4, 3GP, 3G2, 3GPP, 3GPP2, M4V, MKV
FM Radio	Yes	No
Document Reader	Yes

Battery

Type	Non-Removable Battery	Non-Removable Battery
Size	5000 mAh, Li-Po Battery	5000 mAh, Li-Po Battery
Reverse Charging		Yes
Talk Time	33 hours
Music Playback Time	7 days

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