Home/Realme/Realme C21 vs vivo Y12a
Realme C21

Realme C21

#2786
vivo Y12a

vivo Y12a

#3314

Category Breakdown

Realme C21
vivo Y12a
Performance
68.165.6
Camera
29.919.1
Display
67.556.5
Battery
33.733.7
Build
67.967.9
Connectivity
48.052.7
Audio
8.98.9
Overall
46.242.0

Summary

  • The Realme C21 and vivo Y12a both feature a similar build quality with glass fronts and plastic backs, but the C21 is slightly heavier at 190g compared to the Y12a's 191g.
  • Display-wise, both have 6.5-inch IPS LCDs with the same resolution and refresh rate, providing comparable visual experiences.
  • In terms of performance, the Realme C21 is powered by the MediaTek Helio G35, while the vivo Y12a uses the Snapdragon 439, with the C21 offering slightly higher CPU clock speeds.
  • Camera specifications are nearly identical, with both having a 13 MP main sensor, but the Y12a has an 8 MP selfie camera compared to the C21's 5 MP.
  • Both devices are equipped with a 5000 mAh battery and 10W charging, ensuring similar endurance.
  • The Realme C21 runs on Android 10 with Realme UI, whereas the vivo Y12a operates on Android 11 with Funtouch 11, providing a more updated software experience.

Side-by-side Specification Comparison

Realme C21
vivo Y12a

General

Release Date

2021, March 05
2021, June 21

Announced

2021, March 05
2021, June 21

Description

N/A
N/A

Display

Size

6.5"
6.51"

Type

IPS LCD, 400 nits (typ)
IPS LCD

Resolution

720 x 1600 pixels, 20:9 ratio (~270 ppi density)
720 x 1600 pixels, 20:9 ratio (~270 ppi density)

PPI

720
720

Refresh Rate

60Hz
60Hz

HDR Support

Protection

N/A
N/A

Performance

Chipset

Mediatek MT6765G Helio G35 (12 nm)
Qualcomm SDM439 Snapdragon 439 (12 nm)

CPU

Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)

GPU

PowerVR GE8320
Adreno 505

Memory

32GB 3GB RAM, 64GB 4GB RAM
32GB 3GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
microSDXC (dedicated slot)

Camera

Main Camera

13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
13 MP, f/2.2, (wide), PDAF2 MP, f/2.4, (depth)

Main Camera Features

LED flash, HDR, panorama
LED flash, Panorama

Front Camera

5 MP, f/2.2, (wide), 1/5.0", 1.12µm
8 MP, f/1.8

Front Camera Features

HDR, panorama
N/A

Video Recording

1080p@30fps
1080p@30fps

Selfie Video

1080p@30fps
1080p@30fps

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

5000 mAh
5000 mAh

Battery Details

5000 mAh
5000 mAh

Charging Details

10W wiredReverse wired
10W wired5W reverse wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in)
164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in)

Weight

190 g
191 g

Materials

Glass front, plastic back, plastic frame
Glass front, plastic back, plastic frame

Colors

Cross Black, Cross Blue
Phantom Black, Glacier Blue

Foldable

SAR

N/A
N/A

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE
GSM / HSPA / LTE

Network Speed

HSPA, LTE
HSPA, LTE

5G

4G

WiFi

Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth

5.0, A2DP, LE
4.2, A2DP

NFC

USB

microUSB 2.0, OTG
microUSB 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS, GLONASS, BDS
GPS, GLONASS, GALILEO, BDS

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes

Software & Security

Operating System

Android 10, Realme UI
Android 11, Funtouch 11

Fingerprint

Face Unlock

Sensors

Fingerprint (rear-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass