Xiaomi Redmi Note 4X vs Google Pixel 4a vs Apple iPhone SE (2020)

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

Display

Size:

5.5 inches
5.8 inches
4.7 inches

Resolution:

1920 x 1080 pixels, 401 PPI
2340 x 1080 pixels, 19.5:9 ratio, 444 PPI
1334 x 750 pixels, 16:9 ratio, 326 PPI

Technology:

IPS LCD
OLED
IPS LCD

Screen-to-body:

72.78 %
82.53 %
65.34 %

Colors:

16 777 216

Peak brightness:

625 cd/m2 (nit)

Touchscreen:

Capacitive, Multi-touch

Features:

Ambient light sensor, Proximity sensor
60Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 625 8953
Qualcomm Snapdragon 730 SM7150-AA
Apple A13 Bionic APL1W85

Processor:

Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm
Hexa-core, 2650 MHz, Lightning and Thunder, 64-bit, 7 nm

GPU:

Adreno 506
Adreno 618
Apple-designed 4 core

RAM:

3GB DDR3
6GB LPDDR4
3GB LPDDR4

Internal storage:

32GB
128GB, not expandable
64GB, not expandable

Storage expansion:

microSDXC up to 128 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (6.0 Marshmallow)
Android (11, 10)
iOS (14.x, 13.x)

Battery

Capacity:

4100 mAh
3140 mAh
1821 mAh

Type:

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

Battery life test results:

Charging:

USB Power Delivery
USB Power Delivery, Qi wireless charging

Max charge speed:

Wired: 18.0W

Camera

Rear:

Single camera
Single camera
Single camera

Main camera:

13 MP (CMOS image sensor, PDAF)
12.2 MP (OIS, PDAF)
12 MP (Sapphire crystal lens cover, OIS, PDAF, CMOS image sensor, BSI sensor)

Specifications:

Aperture size: F2.0
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/3"; Pixel size: 1.22 μm

Video recording:

1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)

Features:

Video calling, Video sharing
EIS
OIS, Time-lapse video, Continuous autofocus

Front:

5 MP
8 MP
7 MP (EIS, HDR)

Video capture:

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

Design

Dimensions:

5.94 x 2.99 x 0.33 inches (151 x 76 x 8.45 mm)
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)
5.45 x 2.65 x 0.29 inches (138.4 x 67.3 x 7.3 mm)

Weight:

5.82 oz (165.0 g)
5.04 oz (143.0 g)
5.22 oz (148.0 g)

Materials:

Back: Metal
Back: Plastic; Frame: Plastic
Back: Glass; Frame: Aluminum

Resistance:

Water, Dust; IP67

Biometrics:

Fingerprint (touch)
Fingerprint (touch)
Fingerprint (touch)

Features:

Touch sensitive control keys

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key

Colors:

Black, Gold, Gray, Pink, Green
Just black
Black, White, Red

Cellular

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 7(2600)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46, 48(3600)

UMTS:

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

Data Speed:

LTE-A Cat 6 (300/50 Mbit/s), HSPA
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Shared with microSD
Yes

SIM type:

Nano SIM, Micro SIM
Nano SIM, eSIM
Nano SIM

HD Voice:

Yes
Yes

VoLTE:

Yes
Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
aptX, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.1
5.0

Wi-Fi:

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

USB:

microUSB, USB 2.0
Type-C (reversible), USB 3.1
Lightning

Features:

Mass storage device, Charging
Charging
Charging, Headphones port

Location:

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

Sensors:

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

Other:

Infrared, VoIP, Tethering, Computer sync, OTA sync
NFC
NFC, UMA (Wi-Fi Calling)

Hearing aid compatible:

M3, T4
T4

Phone features

Notifications:

Haptic feedback

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Jun 25, 2020

FCC ID value:

A4RG025J link

Measured SAR:

Head:

1.18 W/kg

Body:

1.19 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.00 W/kg

Buyers information

Price:

$ 145
$ 349
$ 399

In The Box:

18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool
EarPods with Lightning Connector, Lightning to USB Cable, USB Power Adapter, Documentation

Availability

Officially announced:

Feb 08, 2017
Aug 03, 2020
Apr 15, 2020
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