Poco C31 vs Realme C21Y

A spec-by-spec comparison of the Poco C31 and the Realme C21Y, taken from their full specification sheets. Green marks the better value in each measured row.

Poco C31

From ৳12,499

Full specs, price & review →

Realme C21Y

From ৳11,490

Full specs, price & review →

Head to head

	Poco C31	Realme C21Y
Price	৳12,499	৳11,490
Our rating	6/10	7/10
Battery	5,000 mAh	5,000 mAh
Wired charging	10W	10W
RAM (max)	—	4 GB
Storage (max)	512 GB	64 GB
Screen size	6.53 in	6.5 in
Main camera	13 MP	13 MP
Weight (lower is lighter)	194 g	200 g
Released	Oct 2021	Jul 2021

Summary: Poco C31 is ahead on storage (max), screen size, weight (lower is lighter). Realme C21Y is ahead on our rating.

★ Which should you buy? Poco C31 is the stronger overall pick on the measured specs. If budget matters more than the extra capability, Realme C21Y is the cheaper option.

Researched with AI assistance by infozme.com from manufacturer and retailer sources — see how we research & rate phones.

Display

	Poco C31	Realme C21Y
Type	IPS LCD	IPS LCD, 400 nits (typ)
Size	6.53 inches	6.5 inches
Resolution	720 x 1600 pixels	720 x 1600 pixels
Aspect Ratio	20:9	—
Pixel Density	~269 ppi	—
Protection	Panda Glass	Unspecified
Features	Capacitive touchscreen, multi-touch, 1500:1 Contrast Ratio, 70.8% NTSC Ratio, TUV Rheinland low blue light certification	—

Platform

	Poco C31	Realme C21Y
Chipset	MediaTek Helio G35 (12 nm)	Unisoc T610 (12 nm)
CPU	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)	Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU	PowerVR GE8320	Mali-G52
OS	Android 10, upgradable to Android 11 and MIUI 12.5	Android 10, Realme UI (upgradable to Android 11 in some regions)
UI	MIUI 12	—

Memory

	Poco C31	Realme C21Y
RAM	3GB, 4GB	—
Internal Storage	32GB, 64GB	—
Expandable Storage	Yes, via microSDXC (dedicated slot), up to 512GB	—
Storage Type	eMMC 5.1	—
Card slot	—	microSDXC (dedicated slot)
Internal	—	32GB 3GB RAM, 64GB 4GB RAM

Main Camera

	Poco C31	Realme C21Y
Triple	13 MP, f/2.2, 1.0µm, PDAF (wide); 2 MP, f/2.4 (macro); 2 MP, f/2.4 (depth)	13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF; 2 MP, f/2.4, (macro); 2 MP, f/2.4, (depth/B&W)
Features	LED flash, HDR, AI Portrait Mode, Face Recognition, AI Scene Detection, Night Mode	LED flash, HDR, panorama, Chroma Boost, Night Mode, Panoramic view, Expert, Timelapse, Portrait Mode, Ultra macro, AI Beauty, Filter
Video	1080p@30fps	1080p@30fps

Selfie Camera

	Poco C31	Realme C21Y
Single	5 MP, f/2.2, 1.12µm	5 MP, f/2.2 (wide)
Features	HDR, Portrait Selfies, Palm Shutter, Face Recognition, AI Portrait Mode, Screen Flash, Selfie Timer	HDR, panorama, Timelapse, Panoramic view, Beauty Mode, Face-Recognition, Filter
Video	1080p@30fps	1080p@30fps

Battery

	Poco C31	Realme C21Y
Type	Li-Po 5000 mAh, non-removable	Li-Po 5000 mAh, non-removable
Charging	10W wired	10W wired, Reverse charging

Body

	Poco C31	Realme C21Y
Dimensions	164.9 x 77.1 x 9 mm	164.5 x 76 x 9.1 mm
Weight	194 g	200g
Build	Plastic body	—
Colors	Royal Blue, Shadow Grey	—
Protection	P2i certification (splash resistant), Panda Glass (display)	—
SIM	—	Dual SIM (Nano-SIM, dual stand-by)

Comms

	Poco C31	Realme C21Y
WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot	Wi-Fi 802.11 b/g/n, hotspot
Bluetooth	5.0, A2DP, LE	5.0, A2DP, LE
GPS	Yes, with A-GPS, GLONASS, BDS	—
USB	Micro-USB 2.0, USB On-The-Go	microUSB 2.0, OTG
Positioning	—	GPS, A-GPS, GLONASS, BDS
NFC	—	Yes (region dependent)
Radio	—	FM Radio

Launch

	Poco C31	Realme C21Y
Announced	September 2021	July 2021
Status	Available. Released 2021, October 02	Available
OS at launch	Android 10	—
UI	MIUI 12	—

Frequently asked questions

Which is lighter, Poco C31 or Realme C21Y?

Poco C31 — 194 g for the Poco C31 versus 200 g for the Realme C21Y.

Which is newer, Poco C31 or Realme C21Y?

Poco C31 — Oct 2021 for the Poco C31 versus Jul 2021 for the Realme C21Y.

Is the Poco C31 or the Realme C21Y rated higher?

We rate the Poco C31 6/10 and the Realme C21Y 7/10.

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