Xiaomi Redmi Note 4X vs Xiaomi Mi 8 Specs Comparison

Design

Dimensions
5.94 x 2.99 x 0.33 inches 151 x 76 x 8.45 mm	6.10 x 2.94 x 0.30 inches 154.9 x 74.8 x 7.6 mm
Weight
5.82 oz (165.0 g)	6.17 oz (175.0 g)
Materials
Back: Metal	Back: Glass (Corning Gorilla Glass 5)
Biometrics
Fingerprint (touch)	2D Face unlock, 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	Black, Gold, Blue, White

Display

Size
5.5-inch	6.2-inch
Resolution
1920x1080px, 401 PPI	2248x1080px, 402 PPI
Technology
IPS LCD	AMOLED
Screen-to-body
72.78 %	83.66 %
Colors
16 777 216
Peak brightness
	600 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor	HDR support, Pressure-sensitive, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 625 8953 (14 nm)	Qualcomm Snapdragon 845 SDM845 (10 nm)
Processor
Octa-core 2000 MHz ARM Cortex-A53	Octa-core 2800 MHz Kryo 385
GPU
Adreno 506	Adreno 630
RAM
3GB (DDR3)	6GB (LPDDR4)
Internal storage
32GB	256GB
Storage expansion
microSDXC up to 128 GB
OS
Android (6.0 Marshmallow)	Android (10, 9.0 Pie, 8.0 Oreo)

Battery

Capacity
4100 mAh	3400 mAh
Type
Li - Polymer	Li - Polymer
Charging
	Qualcomm Quick Charge 4+

Camera

Rear
Single camera	Dual camera
Main camera
13 MP (CMOS image sensor, PDAF) Aperture size: F2.0	12 MP (OIS, PDAF) Aperture size: F1.8 Sensor size: 1/2.55" Pixel size: 1.4 μm
Second camera
	12 MP (Telephoto, Autofocus) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 56 mm Sensor size: 1/3.4" Pixel size: 1 μm
Flash
Dual LED	LED
Video recording
1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps) Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) Video calling, Video sharing
Front
5 MP	20 MP (HDR)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
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
USB
microUSB, USB 2.0	Type-C
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, BeiDou
Sensors
Accelerometer, Gyroscope, Hall (for flip covers)	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync	NFC, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	No 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
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (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), 17(700 b), 20(800 DD)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA	LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes	Yes
SIM type
Nano SIM, Micro SIM	Nano SIM
HD Voice
Yes	Yes
VoLTE
Yes	Yes

Phone Features

Notifications
Haptic feedback
Other features
Voice dialing, Voice commands, Voice recording

Buyers information

MSRP
$ 145
In The Box
	Mi 8 Protective cover / Power adapter / USB Type-C cable / Type-C to audio converter / SIM insertion tool / User guide

Availability

Officially announced
Feb 08, 2017	May 31, 2018

Alternative variants

Internal storage	16GB

with 64 GB storage

Internal storage	64GB

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

with 128 GB storage

Internal storage	128GB

RAM	8GB
Internal storage	128GB
Capacity	3000 mAh
Weight	6.24 oz (177.0 g)
Biometrics	Optical in-screen fingerprint

Links

Full specifications
Xiaomi Redmi Note 4X Specs	Xiaomi Mi 8 Specs