Xiaomi Redmi 4a vs Xiaomi Mi A1 Specs Comparison

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

Display

Size:

5.0 inches
5.5 inches

Resolution:

1280 x 720 pixels, 294 PPI
1920 x 1080 pixels, 401 PPI

Technology:

IPS LCD
IPS LCD

Screen-to-body:

69.99 %
70.87 %

Colors:

16 777 216

Peak brightness:

450 cd/m2 (nit)

Features:

Ambient light sensor, Proximity sensor
Oleophobic coating, Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 425 8917 (28 nm)
Qualcomm Snapdragon 625 8953 (14 nm)

Processor:

Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit
Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit

GPU:

Adreno 308
Adreno 506

RAM:

2GB LPDDR3
4GB LPDDR3

Internal storage:

16GB
64GB

Storage expansion:

microSDXC up to 128 GB
microSDXC up to 256 GB

Device type:

Smartphone
Smartphone

OS:

Android (6.0 Marshmallow), Xiaomi MI UI
Android (9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat)

Battery

Capacity:

3120 mAh
3080 mAh

Type:

Li - Ion, Not user replaceable
Li - Ion, Not user replaceable

Charging:

Fast charging

Camera

Rear:

Single camera
Dual camera

Main camera:

13 MP (Autofocus)
12 MP (PDAF)

Specifications:

Aperture size: F2.2
Aperture size: F2.2; Focal length: 26 mm; Pixel size: 1.25 μm

Second camera:

12 MP (Telephoto, Autofocus)

Specifications:

Optical zoom: 2.0x; Aperture size: F2.6; Focal Length: 50 mm; Pixel size: 1 μm

Flash:

LED
Dual LED

Video recording:

1920x1080 (Full HD) (30 fps), 1280x720 (HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)

Features:

Video calling, Video sharing
Video calling, Video sharing

Front:

5 MP
5 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

5.51 x 2.77 x 0.33 inches (139.9 x 70.4 x 8.5 mm)
6.12 x 2.98 x 0.29 inches (155.4 x 75.8 x 7.3 mm)

Weight:

4.64 oz (131.5 g)
5.82 oz (165.0 g)

Materials:

Back: Metal
Back: Metal

Biometrics:

Fingerprint (touch)

Features:

Touch sensitive control keys, Notification light
Touch sensitive control keys

Keys:

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

Colors:

Gold, Gray
Black, Gold, Pink

Cellular

4G (FDD):

Bands 3(1800), 5(850)
Bands 1(2100), 3(1800), 5(850)

4G (TDD):

Bands 40(2300)
Bands 40(2300), 41(2600+)

3G:

Bands 8(900), 1(2100)
Bands 5(850), 8(900), 2(1900), 1(2100)

Data Speed:

LTE-A, HSPA
LTE, HSPA, HSUPA

Dual SIM:

Shared with microSD
Shared with microSD

SIM type:

Nano SIM, Micro SIM
Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Album art cover, Background playback
Album art cover, Background playback

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.1
4.2

Wi-Fi:

802.11 b, g, n; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0
Type-C (reversible)

Features:

Mass storage device, Charging
Mass storage device, Charging

Location:

GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass, BeiDou

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Hall (for flip covers)

Other:

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

Phone features

Notifications:

Haptic feedback

Other features:

Voice dialing, Voice commands, Voice recording

Buyers information

Price:

$ 104

Availability

Officially announced:

Nov 04, 2016
Sep 05, 2017
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