Home/Realme/Realme C21Y vs vivo Y12s
Realme C21Y

Realme C21Y

#2798
vivo Y12s

vivo Y12s

#3371

Category Breakdown

Realme C21Y
vivo Y12s
Performance
67.867.6
Camera
29.919.1
Display
67.556.5
Battery
33.733.7
Build
67.967.9
Connectivity
48.054.1
Audio
8.98.9
Overall
46.141.6

Summary

  • The Realme C21Y and vivo Y12s both feature a similar build quality with glass fronts and plastic backs, but the C21Y is slightly heavier at 200g compared to the Y12s at 191g.
  • Both devices have a 6.5-inch display with a resolution of 720 x 1600 pixels and a 60Hz refresh rate.
  • In terms of performance, the C21Y is powered by the Unisoc T610 chipset, while the Y12s uses the MediaTek Helio P35; both offer adequate performance for everyday tasks.
  • Camera specifications are comparable, with both featuring a 13 MP main sensor, but the Y12s has an 8 MP selfie camera versus the C21Y's 5 MP.
  • Battery capacity is identical at 5000mAh, but the Y12s supports 10W charging, whereas the C21Y does not support fast charging.
  • Both run on Android 10, but the Y12s uses Funtouch 11, which may offer a different software experience compared to the Realme UI on the C21Y.

Side-by-side Specification Comparison

Realme C21Y
vivo Y12s

General

Release Date

2021, June 21
2020, November 16

Announced

2021, June 21
2020, November 16

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

Unisoc T610 (12 nm)
Mediatek MT6765 Helio P35 (12 nm)

CPU

Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)

GPU

Mali-G52 MP2
PowerVR GE8320

Memory

32GB 3GB RAM, 64GB 4GB RAM
32GB 3GB RAM, 32GB 4GB RAM, 128GB 4GB 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

Reverse wired
10W wired5W reverse wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

164.5 x 76 x 9.1 mm (6.48 x 2.99 x 0.36 in)
164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in)

Weight

200 g
191 g

Materials

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

Colors

Cross Black, Cross Blue
Glacier Blue, Phantom Black

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
5.0, A2DP, LE

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/ Android 11
Android 10, Funtouch 11

Fingerprint

Face Unlock

Sensors

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