Xiaomi Redmi 9A vs vivo Y12s 2021

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Comparing the Xiaomi Redmi 9A vs vivo Y12s 2021 across performance, display, camera, battery, storage and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Both Xiaomi Redmi 9A and vivo Y12s 2021 run at the same processing speed of 2.0 GHz.


Display: Xiaomi Redmi 9A offers a screen size of 6.53 inches, while vivo Y12s 2021 offers 6.51 inches, making Xiaomi Redmi 9A the larger display of the two. Both Xiaomi Redmi 9A and vivo Y12s 2021 feature the same IPS LCD display.


Rear Camera: Both Xiaomi Redmi 9A and vivo Y12s 2021 feature a 13 MP primary rear camera.


Front Camera: vivo Y12s 2021 offers a higher front camera resolution with 8 MP, while Xiaomi Redmi 9A offers 5 MP, making vivo Y12s 2021 better for front camera photography.


Battery: Both Xiaomi Redmi 9A and vivo Y12s 2021 offer the same 5000 mAh battery capacity.


Storage: Both Xiaomi Redmi 9A and vivo Y12s 2021 offer the same internal storage of 32 GB.


User Rating: vivo Y12s 2021 receives a higher user rating of 4.3, while Xiaomi Redmi 9A has a rating of 4.2.

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Xiaomi Redmi 9A
₹6,499
(Out of Stock)
vivo Y12s 2021
₹9,449
(Discontinued)
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Summary

Spec Score

68%
69%

Release Date

04 Sep, 2020
12 May, 2021

Performance

MediaTek Helio G25
Snapdragon 439
Octa Core (upto 2 GHz)
Octa Core (upto 2 GHz)
2 GB RAM
3 GB RAM

Display

6.53 inches (16.59 cm)
6.51 inches (16.54 cm)
IPS LCD
IPS LCD
720x1600 px (HD+)
720x1600 px (HD+)

Rear Camera

13 MP
Wide Angle Primary Camera
13 MP
Primary Camera
N/A
2 MP
Depth Camera

Front Camera

5 MP
Wide Angle Lens
8 MP

Battery

5000 mAh
5000 mAh
No Wireless Charging
No Wireless Charging

Storage

32 GB
32 GB
eMMC 5.1
N/A

User Ratings

4.2/5
(65,692 ratings)
4.3/5
(160 ratings)

User Feedback

General

Launch Date

Sep 04, 2020
(Official)
N/A

Operating System

Android v10 (Q)
Android v11

Custom UI

MIUI
Funtouch OS

Performance

Performance Rating

Avg
Avg

Chipset

MediaTek Helio G25
Qualcomm Snapdragon 439

Processor

Octa core

2 GHz, Quad core, Cortex A53 1.5 GHz, Quad core, Cortex A53
Octa core

2 GHz, Quad core, Cortex A53 1.45 GHz, Quad core, Cortex A53

Architecture (The higher, the better)

64 bit
N/A

Fabrication (The lower, the better)

12 nm
12 nm

Graphics (GPU)

PowerVR GE8320
Adreno 505

RAM

2 GB / 3 GB
3 GB

RAM Type

LPDDR4X
N/A

Display

Display Rating

Very Good
Excellent

Display Type

IPS LCD
IPS LCD

Screen Size

6.53 inches  (16.59 cm)
6.51 inches  (16.54 cm)

Resolution

720x1600 px (HD+)
720x1600 px (HD+)

Brightness

400 nits
N/A

Aspect Ratio

20:9
20:9

Pixel Density

269 ppi
270 ppi

Screen to Body Ratio (calculated)

81.08 %
81.57 %

Bezel-less Display

Yes with waterdrop notch
Yes with waterdrop notch

Design

Height

164.9 mm
164.4 mm

Width

77 mm
76.3 mm

Thickness

9 mm
8.4 mm

Weight

194 grams
191 grams

Build Material

Back: Plastic
N/A

Water Resistance

Yes Splash proof
N/A

Rear Camera

Rear Camera Rating

Good
Good

Resolution

13 MP
Primary Cameraf/2.2 Wide Angle28 mm focal length 1µm pixel size
13 MP
Primary Cameraf/2.2
N/A
2 MP
f/2.4 Depth Camera

Autofocus

Yes
Yes

Flash

Yes LED Flash
Yes LED Flash

Image Resolution

4128 x 3096 Pixels
4128 x 3096 Pixels

Settings

Exposure compensation ISO control
Exposure compensation ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

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

Video Recording

Full HD @30 fps
1920x1080 @ 30 fps

Front Camera

Front Camera Rating

Very Good
Good

Resolution

5 MP
f/2.2 Wide Angle Primary Camera1.12µm pixel size
8 MP
f/1.8 Primary Camera

Video Recording

Full HD @30 fps
N/A

Battery

Battery Rating

Very Good
Very Good

Capacity

5000 mAh
5000 mAh

Battery Type

Li-Polymer
Li-Polymer

Storage

Internal Storage

32 GB
32 GB

Storage Type

eMMC 5.1
N/A

Expandable Storage

Yes Up to 512 GB
Yes Up to 256 GB

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano

Network Support

5G Not Supported 4G
5G Not Supported 4G

VoLTE

Yes
Yes

SIM 1

4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5)

SIM 2

4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5)

SAR Value

Head: 0.528 W/kg Body: 0.791 W/kg
N/A

Wi-Fi

Yes Wi-Fi 4 (802.11 a/b/g/n)
Yes Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes v5.0
Yes v4.2

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass

NFC

No
No

Multimedia

Audio Jack

3.5 mm
3.5 mm

Sensors

Fingerprint Sensor

No
Yes

Fingerprint Sensor Position

N/A
Side

Other Sensors

Light sensor Proximity sensor Accelerometer Compass
Light sensor Proximity sensor Accelerometer