Xiaomi Redmi Note 4X vs Google Pixel 4a Specs Comparison

Availability

Officially announced
Feb 08, 2017	Aug 03, 2020
Prices (MSRP)
$145	$349

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
Weight
5.82 oz / 165.0 g	5.04 oz / 143.0 g
Materials
Back: Metal	Back: Plastic Frame: Plastic
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, Gray, Pink, Green	Just black

Display

Size
5.5-inch, 72.78% screen-to-body	5.8-inch, 82.53% screen-to-body
Type
IPS LCD	OLED, 60Hz, HDR
Resolution
1920x1080px, 401 PPI	2340x1080px, 19.5:9 ratio, 444 PPI
Colors
16 777 216
Protection
	Corning Gorilla Glass 3

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	2 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 625 8953 (14 nm)	Snapdragon 730G SM7150-AA (8 nm)
Processor
Octa-core 2000 MHz ARM Cortex-A53	Octa-core 2200 MHz Kryo 470
GPU
Adreno 506	Adreno 618
Memory
3GB (DDR3)/32GB 3GB/16GB 4GB/64GB	6GB (LPDDR4)/128GB (UFS 2.1)
Storage expansion
microSDXC up to 128 GB	not expandable
OS
Android (6.0 Marshmallow)	Android (12, 11, 10)

Battery

Type
4100 mAh, Li - Polymer	3140 mAh, Li - Polymer
Charging
	USB Power Delivery
Charge speed
	Wired: 18.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

4h 15min

Browsing

9h 27min

Video

6h 48min

Gaming

4h 51min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Single camera
Main camera
13 MP (CMOS image sensor, PDAF) Aperture size: F2.0	12.2 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Flash
Dual LED	LED
Video recording
1080p (30 fps), 720p (120 fps) Video calling, Video sharing	4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) EIS
Front
5 MP	8 MP Video capture: 1080p

Connectivity & Features

Bluetooth
4.2	5.1
WLAN
a,b,g,n,dual-band Hotspot, Wi-Fi Direct 802.11 a, b, g, n	a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
microUSB, USB 2.0	Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M3/T4
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync	NFC

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
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 7	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 39, 40, 41	38, 39, 40, 41
3G Bands
5, 8, 2, 1	1, 2, 4, 5, 8
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
Dual SIM
Yes	Yes
SIM type
Nano SIM, Micro SIM	Nano SIM, eSIM
HD Voice
Yes
VoLTE
Yes

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
Measured SAR
	Head: 1.18 W/kg Body: 1.19 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.00 W/kg

Alternative variants

Memory	16GB

System chip	MediaTek Helio X20 MT6797 (20 nm)
Processor	Deca-core 2100 MHz ARM Cortex-A72 and ARM Cortex-A53
GPU	Mali-T880 MP4
Memory	4GB/64GB

Discover more

Full Specs Xiaomi Redmi Note 4X Specs

Full Specs Google Pixel 4a Specs PA Review Google Pixel 4a Review