Xiaomi Redmi 4a vs Asus ZenFone 8 Specs Comparison

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

Display

Size:

5.0 inches
5.9 inches

Resolution:

1280 x 720 pixels, 294 PPI
2400 x 1080 pixels, 20:9 ratio, 446 PPI

Technology:

IPS LCD
AMOLED

Refresh rate:

120Hz

Screen-to-body:

69.99 %
82.76 %

Colors:

16 777 216

Peak brightness:

1100 cd/m2 (nit)

Features:

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

Hardware

System chip:

Qualcomm Snapdragon 425 8917 (28 nm)
Qualcomm Snapdragon 888 SM8350 (5 nm)

Processor:

Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit
Octa-core, 2840 MHz, Kryo 680, 64-bit

GPU:

Adreno 308
Adreno 660

RAM:

2GB LPDDR3
6GB LPDDR5

Internal storage:

16GB
128GB (UFS 3.1), not expandable

Storage expansion:

microSDXC up to 128 GB

Device type:

Smartphone
Smartphone

OS:

Android (6.0 Marshmallow), Xiaomi MI UI
Android (11), Zen 8 UI

Battery

Capacity:

3120 mAh
4000 mAh

Type:

Li - Ion, Not user replaceable

Charging:

Qualcomm Quick Charge 4

Max charge speed:

Wired: 30.0W

Camera

Rear:

Single camera
Dual camera

Main camera:

13 MP (Autofocus)
64 MP (OIS, PDAF)

Specifications:

Aperture size: F2.2
Aperture size: F1.8; Focal length: 27 mm; Sensor size: 1/1.7"; Pixel size: 1.6 μm

Second camera:

12 MP (Ultra-wide, PDAF)

Specifications:

Aperture size: F2.2; Focal Length: 14 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Flash:

LED
LED

Video recording:

1920x1080 (Full HD) (30 fps), 1280x720 (HD) (30 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)

Features:

Video calling, Video sharing
Time-lapse video, Picture-taking during video recording, EIS

Front:

5 MP
12 MP (PDAF)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps)

Design

Dimensions:

5.51 x 2.77 x 0.33 inches (139.9 x 70.4 x 8.5 mm)
5.83 x 2.70 x 0.35 inches (148 x 68.6 x 8.9 mm)

Weight:

4.64 oz (131.5 g)
5.96 oz (169.0 g)

Materials:

Back: Metal
Back: Glass (Corning Gorilla Glass 3); Frame: Aluminum

Resistance:

Water, Dust; IP68

Biometrics:

In-screen fingerprint

Features:

Touch sensitive control keys, Notification light

Keys:

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

Colors:

Gold, Gray
Obsidian Black, Horizon Silver

Cellular

5G:

n1, n2, n3, n5, n7, n8, n12, n20, n25, n38, n40, n66, n71, n77, n78, SA, NSA

4G (FDD):

Bands 3(1800), 5(850)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 30(2300 WCS), 66(AWS-3), 71(600)

4G (TDD):

Bands 40(2300)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)

3G:

Bands 8(900), 1(2100)
Bands 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)

Data Speed:

LTE-A, HSPA
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s

Dual SIM:

Shared with microSD
Yes

SIM type:

Nano SIM, Micro SIM
Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
aptX, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM
FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.1
5.2, EDR

Wi-Fi:

802.11 b, g, n; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, ax (Wi-Fi 6), tri-band; MIMO, 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, QZSS, NavIC, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other:

Tethering, Computer sync, OTA sync
NFC

Phone features

Notifications:

Haptic feedback

Other features:

Voice dialing, Voice commands, Voice recording

Buyers information

Price:

$ 104
€ 599

Availability

Officially announced:

Nov 04, 2016
May 12, 2021
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