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Xiaomi Redmi 15C vs Vivo Y21

Key Feature Comparison

Xiaomi Redmi 15C

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At a Glance

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Octa core (2.2 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)

MediaTek Dimensity G81 Ultra, Mali-G57 MC2

Quad core, 1.3 GHz, Cortex A7

MediaTek MT6580, Mali-400 MP

6000 mAh

Li-Polymer, Fast, 33W

1900 mAh

Li-ion

17.53 cm (6.9 inch)

260 ppi, HD

11.43 cm (4.5 inch)

218 ppi

Dual, 50MP + AI Lens

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Single, 5MP

1280x720 @ 30 fps

4G

Dual SIM, GSM+GSM

3G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

17.53 cm (6.9 inch)
11.43 cm (4.5 inch)

Screen Type

IPS LCD
IPS LCD

Screen Resolution

720 x 1600 pixels
480 x 854 pixels

Pixel Density

260 ppi
218 ppi

Aspect Ratio

20:09
-

Screen to Body Ratio

83.70%
64.18%

Screen Design

Waterdrop notch
-

Screen Quality

HD
-

Screen Protection

-
No

Phone Variants

4GB 128GB
1GB 16GB

Expandable Storage

Yes
Yes

Expandable Storage Capacity

-
Yes, 128 GB

OTG Support

-
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass
Proximity sensor, Accelerometer, Compass

Operating System

Android v15
Android v5.1 (Lollipop)

GPU

Mali-G57 MC2
Mali-400 MP

Chipset

MediaTek Dimensity G81 Ultra
MediaTek MT6580

CPU

Octa core (2.2 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Quad core, 1.3 GHz, Cortex A7

Clock Speed

2.2 GHz
1.3 GHz

Architecture

64 bit
32 bit

Process Technology

6 nm
-

Battery Capacity

6000 mAh
1900 mAh

Battery Removable

No
Yes

Battery Type

Li-Polymer
Li-ion

Charger Type

Fast, 33W
-

USB Type-C

-
No

Announced On

Not Available
16-May-16

Market Status

Launched Globally
Available

Brand

Xiaomi
Vivo

Price Status

Expected
Confirmed

Price

Rs. 9,999
Rs. 7,990

GPS

Yes A-GPS, Glonass
Yes A-GPS

Network Support

4G
3G

Bluetooth

Yes
Yes

3.5mm Audio Jack

Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Micro, SIM2: Micro

Wi-Fi

Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Yes, Wi-Fi 802.11, b/g/n

Bluetooth Type

v5.3
v4.0

Audio Jack

3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot

SIM 1 Bands

4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900...
3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

SIM 2 Bands

4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900...
2G Bands: GSM 1800 / 1900 / 850 / 900 MHz...

NFC

-
No

FM Radio

-
Yes

eSIM

-
No

Front Video Recording

1920x1080 @ 30 fps, 1280x720 @ 30 fps
-

Front Camera Setup

Single, 13MP
Single, 2MP

Front Camera 1 Resolution

-
2 MP

Front Camera 1 Type

-
f/2.2 Primary Camera

Front Aperture

-
f/2.2

Front Flash

-
No

Weight

205 grams
145 grams

Colors

Moonlight Blue, Black, Pink, Green
Gold, White

Dimensions

-
130.7 x 66.4 x 9.2 mm

Rear Video Recording

1920x1080 @ 30 fps, 1280x720 @ 30 fps
1280x720 @ 30 fps

Rear Camera Features

Digital Zoom, Auto Flash, Face detection, Filters, Touch to focus
Digital Zoom

Rear Camera Setup

Dual, 50MP + AI Lens
Single, 5MP

OIS

-
No

Rear Flash

-
Yes, LED Flash

Rear Camera 1 Resolution

-
5 MP

Rear Camera 1 Type

-
f/2.2 Primary Camera

Rear Aperture

-
f/2.2

Fingerprint Scanner

Yes
No

Fingerprint Scanner Position

Side
-
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