Realme C21
#2786
vivo Y12s 2021
#3322Category Breakdown
Realme C21
vivo Y12s 2021
Performance
68.165.7
Camera
29.919.1
Display
67.556.5
Battery
33.733.7
Build
67.967.9
Connectivity
48.051.7
Audio
8.98.9
Overall
46.242.0
Summary
- The Realme C21 and vivo Y12s 2021 both feature a similar build quality with plastic frames and glass fronts, but the Y12s is slightly lighter and thinner.
- Display specifications are nearly identical, with both offering 6.5-inch IPS LCD screens at 720 x 1600 pixels and 60Hz refresh rates.
- In terms of performance, the Realme C21 is powered by a MediaTek Helio G35, while the vivo Y12s uses a Qualcomm Snapdragon 439, with both having 3GB of RAM in their base models.
- Camera capabilities are comparable, with both devices featuring a 13 MP main sensor, though the Y12s has a higher resolution 8 MP front camera.
- Both smartphones are equipped with a 5000 mAh battery and support 10W charging.
- The Realme C21 runs on Android 10 with Realme UI, whereas the vivo Y12s operates on Android 11 with Funtouch 11, providing a slightly more updated software experience.
Side-by-side Specification Comparison
Realme C21
vivo Y12s 2021
General
Release Date
2021, March 05
2021, May 12
Announced
2021, March 05
2021, May 12
Description
N/A
Also known as vivo Y12G
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, 64GB 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
Mysterious Black (Phantom Black), Ice Blue (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 (Y12s), Wi-Fi 802.11 b/g/n (Y12G)
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