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Xiaomi Redmi A3x vs Xiaomi 12S Ultra

Key Feature Comparison

5.1

Xiaomi Redmi A3x

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8.1

Xiaomi 12S Ultra

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At a Glance

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Octa core (1.8 GHz, Dual core, Cortex A75 + 1.6 GHz, Hexa Core, Cortex A55)

Unisoc T603, Mali-G57

Octa core (3.2 GHz, Single core, Cortex X2 + 2.75 GHz, Tri core, Cortex A710 + 2 GHz, Quad core, Cortex A510)

Qualcomm Snapdragon 8 Plus Gen 1, Adreno 730

5000 mAh

Li-Polymer

4860 mAh

Li-Polymer, Fast, 67W

6.71 inches

268 ppi

6.73 inches

521 ppi, 2K

Dual, 8MP + 0.08MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Triple, 50MP + 48MP + 48MP

7680x4320 @ 24 fps, 3840x2160 @ 30 fps, 1920x1080 @ 60 fps

4G

Dual SIM, GSM+GSM

5G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.71 inches
6.73 inches

Screen Type

IPS LCD
AMOLED

Pixel Density

268 ppi
521 ppi

Aspect Ratio

20:09
20:09

Screen Protection

Gorilla Glass 3
Gorilla Glass Victus

Screen to Body Ratio

83.34%
89.51%

Screen Design

Waterdrop notch
Bezel-less

Screen Refresh Rate

90 Hz
120 Hz

Peak Brightness

500 nits
1500 nits

Screen Resolution

-
1440 x 3200 pixels

Screen Quality

-
2K

Phone Variants

3GB 64GB
8GB 256GB

Expandable Storage

Yes
No

RAM Type

LPDDR4X
LPDDR5

Storage Type

eMMC 5.1
UFS 3.1

Expandable Storage Capacity

Yes, 1 TB
-

OTG Support

-
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass
Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope

Operating System

Android v14
Android v12

GPU

Mali-G57
Adreno 730

Chipset

Unisoc T603
Qualcomm Snapdragon 8 Plus Gen 1

CPU

Octa core (1.8 GHz, Dual core, Cortex A75 + 1.6 GHz, Hexa Core, Cortex A55)
Octa core (3.2 GHz, Single core, Cortex X2 + 2.75 GHz, Tri core, Cortex A710 + 2 GHz, Quad core, Cortex A510)

Custom User Interface

MIUI
MIUI

Clock Speed

1.8 GHz
3.2 GHz

Architecture

64 bit
64 bit

Process Technology

12 nm
4 nm

Battery Capacity

5000 mAh
4860 mAh

Battery Removable

No
No

Battery Type

Li-Polymer
Li-Polymer

USB Type-C

Yes
Yes

Charger Type

-
Fast, 67W

Fast Charging

-
Yes

Charging Time

-
100 % in 41 minutes

Wireless Charging

-
Yes

Announced On

30-Jun-24
4-Jul-22

Market Status

Available
Launched Globally

Brand

Xiaomi
Xiaomi

Price Status

Confirmed
Expected

Price

Rs. 6,999
Rs. 70,690

GPS

Yes Glonass
Yes A-GPS, Glonass

NFC

No
Yes

Network Support

4G
5G

Bluetooth

Yes
Yes

FM Radio

Yes
-

3.5mm Audio Jack

Yes
No

SIM Size

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

Wi-Fi

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

Bluetooth Type

v5.3
v5.2

Audio Jack

3.5 mm
USB Type-C

SIM Slot(s)

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

eSIM

No
No

Wi-Fi Features

Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

VoLTE

Yes
Yes

SIM 1 Bands

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) / 700(band 28) / 850(band 5) / 800(band 20), 3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MH...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) ...

SIM 2 Bands

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) / 700(band 28) / 850(band 5) / 800(band 20), 3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MH...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) ...

Audio Features

-
Dolby Atmos

Front Video Recording

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

Front Camera Setup

Single, 5MP
Single, 32MP

Front Camera 1 Resolution

5 MP
32 MP

Front Camera 1 Type

f/2.2, Wide Angle, Primary Camera
f/2.5, Wide Angle, Primary Camera

Front Aperture

f/2.2
f/2.5

Front Camera 1 Lens

-
26 mm focal length, 0.7 micrometre pixel size

Weight

193 grams
225 grams

Colors

Ocean Green, Midnight Black, Starry White, Olive Green
Classic Black, Verdant Green

Build

Back: Mineral Glass
-

Dimensions

168.4 x 76.3 x 8.3 mm
163.1 x 74.9 x 9 mm

Rear Flash

Yes, LED Flash
Yes, Dual LED Flash

Rear Video Recording

1920x1080 @ 30 fps, 1280x720 @ 30 fps
7680x4320 @ 24 fps, 3840x2160 @ 30 fps, 1920x1080 @ 60 fps

Rear Camera Features

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

Rear Camera Setup

Dual, 8MP + 0.08MP
Triple, 50MP + 48MP + 48MP

Rear Camera 1 Resolution

8 MP
50 MP

Rear Camera 1 Type

f/2.0, Wide Angle, Primary Camera
f/1.9, Wide Angle, Primary Camera

Rear Camera 2 Resolution

0.08 MP
48 MP

Rear Aperture

f/2.0
f/1.9

OIS

-
Yes

Rear Camera 1 Lens

-
23 mm focal length

Rear Camera 2 Type

-
f/2.2, Ultra-Wide Angle Camera

Rear Camera 2 Lens

-
13 mm focal length, 2" sensor size, 0.8 micrometre pixel size

Rear Camera 3 Resolution

-
48 MP

Rear Camera 3 Type

-
f/4.1, Periscope Camera

Rear Camera 3 Lens

-
120 mm focal length, 2" sensor size, 0.8 micrometre pixel size

Rear Sensor

-
Exmor-RS CMOS Sensor

Fingerprint Scanner

Yes
Yes

Fingerprint Scanner Position

Side
On-Screen

Fingerprint Scanner Type

-
Optical

Face Unlock

-
Yes
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