Samsung Galaxy A21 vs Apple iPhone X Specs Comparison

Design

Dimensions
6.61 x 3.02 x 0.32 inches 167.8 x 76.7 x 8.1 mm	5.65 x 2.79 x 0.30 inches 143.6 x 70.9 x 7.7 mm
Weight
6.81 oz (193.0 g)	6.14 oz (174.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Glass Frame: Stainless steel
Resistance
	Water, Dust; IP67
Biometrics
Fingerprint (touch)	3D Face unlock
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control, Other; Right: Lock/Unlock key
Colors
Black	Silver, Space gray

Display

Size
6.5-inch	5.8-inch
Resolution
1600x720px, 20:9 ratio, 270 PPI	2436x1125px, 19.5:9 ratio, 459 PPI
Technology
IPS LCD	OLED
Refresh rate
60Hz
Screen-to-body
79.20 %	82.35 %
Peak brightness
	625 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor	HDR support, Pressure-sensitive, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip
Mediatek Helio P35 MT6765 (12 nm)	Apple A11 Bionic APL1W72 (10 nm)
Processor
Octa-core 4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53	Hexa-core 2390 MHz Monsoon and Mistral
GPU
PowerVR GE8320	Apple 3-core GPU
RAM
3GB (LPDDR4)	3GB (LPDDR4)
Internal storage
32GB (eMMC 5.1), available to use: 19.8 GB	256GB
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (10), Samsung One UI	iOS (15.x, 14.x, 13.x, 12.x, 11.x)

Battery

Capacity
4000 mAh	2716 mAh
Type
Li - Polymer	Li - Ion
Charging
Fast charging	USB Power Delivery, Qi wireless charging
Charge speed
Wired: 15.0W	Wired: 15.0W Wireless: 7.5W

Camera

Rear
Quad camera	Dual camera
Main camera
16 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3.06" Pixel size: 1 μm	12 MP (Sapphire crystal lens cover, OIS, PDAF, CMOS image sensor, BSI sensor) Aperture size: F1.8 Focal length: 28 mm Sensor size: 1/3" Pixel size: 1.22 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm	12 MP (Telephoto, Sapphire crystal lens cover, OIS, PDAF, CMOS image sensor, BSI sensor) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 52 mm Sensor size: 1/3.4" Pixel size: 1 μm
Third camera
2 MP (Macro) Aperture size: F2.4
Fourth camera
2 MP (Depth information) Aperture size: F2.4
Flash
LED	Quad LED
Video recording
1920x1080 (Full HD) (30 fps)	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (30 fps) OIS, Time-lapse video, Continuous autofocus, Video light, Video calling, Video sharing
Front
13 MP, Video capture: 1920x1080 (Full HD)	7 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Lightning
Hearing aid compatible
M4/T3	M3/T4
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass, Barometer
Other
NFC	NFC, UMA (Wi-Fi Calling)

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
	Noise cancellation, Video recording

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 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), 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), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
SIM type
Nano SIM	Nano SIM
HD Voice
Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Apr 17, 2020 FCC ID value: ZCASMA215U
Measured SAR
Head: 0.42 W/kg Body: 1.27 W/kg Simultaneous Transmission: 1.27 W/kg Wireless Router: 1.27 W/kg

Buyers information

MSRP
$ 250	$ 1149
In The Box
This is the official Samsu​ng Galaxy A21 User Guide in English provided from the manufacturer.	EarPods with Lightning Connector, Lightning to 3.5 mm Headphone Jack Adapter, Lightning to USB Cable, USB Power Adapter, Documentation

Availability

Officially announced
Apr 08, 2020	Sep 12, 2017

Alternative variants

for Verizon

4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)	Bands 38(2600), 40(2300), 41(2600+)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

with 64 GB storage

Internal storage	64GB
MSRP	$ 999

for Sprint

4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)	Bands 41(2600+)

A1865

Links

Full specifications
Samsung Galaxy A21 Specs	Apple iPhone X Specs
PhoneArena Review
	Apple iPhone X Review
User Reviews
Samsung Galaxy A21 User Reviews	Apple iPhone X User Reviews