Xiaomi Redmi 4X vs Xiaomi 12X Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.0 inches
6.3 inches

Resolution:

1280 x 720 pixels, 294 PPI
2400 x 1080 pixels, 20:9 ratio, 419 PPI

Technology:

IPS LCD
AMOLED

Refresh rate:

120Hz

Screen-to-body:

70.89 %
89.30 %

Colors:

16 777 216

Peak brightness:

450 cd/m2 (nit)
1100 cd/m2 (nit)

Features:

Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 435 8940 (28 nm)
Qualcomm Snapdragon 870 SM8250-AC (7 nm)

Processor:

Octa-core, 1400 MHz, ARM Cortex-A53, 64-bit
Octa-core, 1x 3.20GHz Kryo 585 + 3x 2.42GHz Kryo 585 + 4x 1.80GHz Kryo 585

GPU:

Adreno 505
Adreno 650

RAM:

3GB LPDDR3
8GB LPDDR5

Internal storage:

32GB
128GB (UFS 3.1), not expandable

Storage expansion:

microSDXC up to 128 GB

Device type:

Smartphone
Smartphone

OS:

Android (6.0 Marshmallow)
Android (11), MIUI 13 UI

Battery

Capacity:

4100 mAh
4500 mAh

Type:

Not user replaceable
Not user replaceable

Charging:

Fast charging

Max charge speed:

Wired: 67.0W

Camera

Rear:

Single camera
Triple camera

Main camera:

13 MP (PDAF)
50 MP (OIS, PDAF)

Specifications:

Aperture size: F2.0
Aperture size: F1.9; Pixel size: 1.0 μm

Second camera:

13 MP (Ultra-wide)

Specifications:

Aperture size: F2.4

Third camera:

5 MP (Telephoto, Macro)

Specifications:

Focal Length: 50 mm

Flash:

LED
Dual LED

Video recording:

1920x1080 (Full HD) (30 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (960 fps)

Features:

Video calling, Video sharing
EIS

Front:

5 MP
32 MP

Video capture:

1280x720 (HD) (30 fps)
1920x1080 (Full HD)

Design

Dimensions:

5.48 x 2.75 x 0.34 inches (139.24 x 69.96 x 8.65 mm)
6.01 x 2.75 x 0.32 inches (152.7 x 69.9 x 8.16 mm)

Weight:

5.15 oz (146.0 g)
6.21 oz (176.0 g)

Materials:

Back: Aluminum
Back: Glass; Frame: Aluminum

Biometrics:

Fingerprint (touch)
Fingerprint (touch)

Features:

Touch sensitive control keys

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black, Gold
Grey, Purple, Blue

Cellular

5G:

n1, n3, n5, n8, n20, n28, n38, n40, n41, n66, n77, SA, NSA

4G (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)

4G (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 48(3600)

3G:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)

Data Speed:

LTE-A Cat 7 (300/100 Mbit/s), HSPA
LTE-A, HSDPA+ (4G) 42.2 Mbit/s

Dual SIM:

Shared with microSD
Yes

SIM type:

Nano SIM, Micro SIM
Dual Nano SIM

Multimedia

Headphones:

3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Album art cover, Background playback

Screen mirroring:

Wireless screen share
Wireless screen share

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.1

Wi-Fi:

802.11 b, g, n, dual-band; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, ax (Wi-Fi 6); Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0
Type-C (reversible), USB 2.0

Features:

Mass storage device, Charging
Charging, OTG

Location:

GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope
Accelerometer, Gyroscope, Compass

Other:

Infrared, VoIP, Tethering, Computer sync, OTA sync
NFC, Infrared

Phone features

Notifications:

Haptic feedback

Other features:

Voice dialing, Voice commands, Voice recording

Buyers information

In The Box:

power adapter, USB cable, warranty card, user guide, SIM insertion tool

Availability

Officially announced:

Feb 28, 2017
Mar 15, 2022
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