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.

Head to head

Poco C31Realme C21Y
Our rating6/107/10
Battery5,000 mAh5,000 mAh
Wired charging10W10W
RAM (max)—4 GB
Storage (max)512 GB64 GB
Screen size6.53 in6.5 in
Main camera13 MP13 MP
Weight (lower is lighter)194 g200 g
ReleasedOct 2021Jul 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.

Display

Poco C31Realme C21Y
TypeIPS LCDIPS LCD, 400 nits (typ)
Size6.53 inches6.5 inches
Resolution720 x 1600 pixels720 x 1600 pixels
Aspect Ratio20:9—
Pixel Density~269 ppi—
ProtectionPanda GlassUnspecified
FeaturesCapacitive touchscreen, multi-touch, 1500:1 Contrast Ratio, 70.8% NTSC Ratio, TUV Rheinland low blue light certification—

Platform

Poco C31Realme C21Y
ChipsetMediaTek Helio G35 (12 nm)Unisoc T610 (12 nm)
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPUPowerVR GE8320Mali-G52
OSAndroid 10, upgradable to Android 11 and MIUI 12.5Android 10, Realme UI (upgradable to Android 11 in some regions)
UIMIUI 12—

Memory

Poco C31Realme C21Y
RAM3GB, 4GB—
Internal Storage32GB, 64GB—
Expandable StorageYes, via microSDXC (dedicated slot), up to 512GB—
Storage TypeeMMC 5.1—
Card slot—microSDXC (dedicated slot)
Internal—32GB 3GB RAM, 64GB 4GB RAM

Main Camera

Poco C31Realme C21Y
Triple13 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)
FeaturesLED flash, HDR, AI Portrait Mode, Face Recognition, AI Scene Detection, Night ModeLED flash, HDR, panorama, Chroma Boost, Night Mode, Panoramic view, Expert, Timelapse, Portrait Mode, Ultra macro, AI Beauty, Filter
Video1080p@30fps1080p@30fps

Selfie Camera

Poco C31Realme C21Y
Single5 MP, f/2.2, 1.12µm5 MP, f/2.2 (wide)
FeaturesHDR, Portrait Selfies, Palm Shutter, Face Recognition, AI Portrait Mode, Screen Flash, Selfie TimerHDR, panorama, Timelapse, Panoramic view, Beauty Mode, Face-Recognition, Filter
Video1080p@30fps1080p@30fps

Battery

Poco C31Realme C21Y
TypeLi-Po 5000 mAh, non-removableLi-Po 5000 mAh, non-removable
Charging10W wired10W wired, Reverse charging

Body

Poco C31Realme C21Y
Dimensions164.9 x 77.1 x 9 mm164.5 x 76 x 9.1 mm
Weight194 g200g
BuildPlastic body—
ColorsRoyal Blue, Shadow Grey—
ProtectionP2i certification (splash resistant), Panda Glass (display)—
SIM—Dual SIM (Nano-SIM, dual stand-by)

Comms

Poco C31Realme C21Y
WLANWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspotWi-Fi 802.11 b/g/n, hotspot
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
GPSYes, with A-GPS, GLONASS, BDS—
USBMicro-USB 2.0, USB On-The-GomicroUSB 2.0, OTG
Positioning—GPS, A-GPS, GLONASS, BDS
NFC—Yes (region dependent)
Radio—FM Radio

Launch

Poco C31Realme C21Y
AnnouncedSeptember 2021July 2021
StatusAvailable. Released 2021, October 02Available
OS at launchAndroid 10—
UIMIUI 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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