Xiaomi Redmi Note 4X vs Apple iPhone 12 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

9.0
Apple iPhone 12
Xiaomi Redmi Note 4X Apple iPhone 12
Released · Feb 14, 2017
Released · Oct 23, 2020
5.5-inch
6.1-inch
Single camera
Dual camera
3GB · 32GB
4GB · 64GB
4100 mAh
2815 mAh
Check prices

Design

Dimensions
5.94 x 2.99 x 0.33 inches
151 x 76 x 8.45 mm
5.78 x 2.81 x 0.29 inches (~0.35 inches with camera bump)
146.7 x 71.5 x 7.4 mm (~8.88 mm with camera bump)
Weight
5.82 oz (165.0 g) 5.78 oz (164.0 g)
Materials
Back: Metal Back: Glass
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
Fingerprint (touch) 3D Face unlock
Features
Touch sensitive control keys
Keys
Right: Volume control, Lock/Unlock key Left: Volume control, Other; Right: Lock/Unlock key
Colors
Black, Gold, Gray, Pink, Green Black, White, Red, Green, Blue, Purple

Display

Size
5.5-inch 6.1-inch
Resolution
1920x1080px, 401 PPI 2532x1170px, 19.5:9 ratio, 457 PPI
Technology
IPS LCD OLED
Refresh rate
60Hz
Screen-to-body
72.78 % 87.24 %
Colors
16 777 216
Peak brightness
1200 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor HDR support, Oleophobic coating, Scratch-resistant glass (Ceramic Shield), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 625 8953 (14 nm) Apple A14 Bionic (5 nm)
Processor
Octa-core
2000 MHz
ARM Cortex-A53
Hexa-core
3100 MHz
GPU
Adreno 506 Yes
RAM
3GB (DDR3) 4GB (LPDDR4)
Internal storage
32GB 64GB (NVMe)
Storage expansion
microSDXC up to 128 GB not expandable
OS
Android (6.0 Marshmallow) iOS (16.x, 15.x, 14.x)

Battery

Capacity
4100 mAh 2815 mAh
Type
Li - Polymer Li - Ion
Charging
USB Power Delivery, Qi wireless charging, MagSafe wireless charging
Charge speed
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
4h 59min
Browsing
12h 33min
Video
6h 38min
Gaming
6h 46min

Camera

Rear
Single camera Dual camera
Main camera
13 MP (CMOS image sensor, PDAF)
Aperture size: F2.0
12 MP (Sapphire crystal lens cover, OIS, PDAF)
Aperture size: F1.6
Focal length: 26 mm
Second camera
12 MP (Ultra-wide, Sapphire crystal lens cover)
Aperture size: F2.4
Focal Length: 13 mm
Flash
Dual LED LED
Video recording
1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)
Video calling, Video sharing
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)
OIS, HDR, Time-lapse video, Continuous autofocus, Picture-taking during video recording
Front
5 MP 12 MP (EIS, HDR, Slow-motion videos), Video capture: 3840x2160 (4K UHD) (60 fps)

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,ax(Wi-Fi 6),dual-band
MIMO, Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0 Lightning
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, BeiDou GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Hall (for flip covers) Accelerometer, Gyroscope, Compass, Barometer
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync NFC, UMA (Wi-Fi Calling)

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
Album art cover, Background playback Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n71, n77, n78, n79, n260, n261, Sub-6, mmWave
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), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)
4G (TDD)
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)
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, 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 Yes
VoLTE
Yes Yes

Phone Features

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

Buyers information

MSRP
$ 145 $ 829
In The Box
USB-C to Lightning Cable, Documentation

Availability

Officially announced
Feb 08, 2017 Oct 13, 2020

Alternative variants

Internal storage 16GB
with 128GB storage
Internal storage 128GB
MSRP $ 879
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 256GB storage
Internal storage 256GB
MSRP $ 979
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