Apple iPhone X vs Samsung Galaxy A21 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 X	Samsung Galaxy A21
Released · Nov 03, 2017	Released · Jun 29, 2020
5.8-inch · 2436x1125px	6.5-inch · 1600x720px
Dual camera	Quad camera
3GB · 256GB	3GB · 32GB
2716 mAh	4000 mAh

Availability

Officially announced
Sep 12, 2017	Apr 08, 2020
Prices (MSRP)
$1149	$250

Design

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

Display

Size
5.8-inch, 82.35% screen-to-body	6.5-inch, 79.20% screen-to-body
Type
OLED, HDR, 625 nits	IPS LCD, 60Hz
Resolution
2436x1125px, 19.5:9 ratio, 459 PPI	1600x720px, 20:9 ratio, 270 PPI
Features
HDR support, Pressure-sensitive, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

PhoneArena Display Test

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

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Apple A11 Bionic APL1W72 (10 nm)	Mediatek Helio P35 MT6765 (12 nm)
Processor
Hexa-core 2390 MHz Monsoon and Mistral	Octa-core 4x2.3GHz Cortex-A53 4x1.8GHz Cortex-A53
GPU
Apple 3-core GPU	PowerVR GE8320
Memory
3GB (LPDDR4)/256GB 3GB/64GB	3GB (LPDDR4)/32GB (eMMC 5.1)
Storage expansion
not expandable	microSDXC up to 512 GB
OS
iOS (15.x, 14.x, 13.x, 12.x, 11.x)	Android (10)

Battery

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

Camera

Rear
Dual camera	Quad camera
Main camera
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	16 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3.06" Pixel size: 1 μm
Second camera
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	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	2 MP (Macro) Aperture size: F2.4
Fourth camera
	2 MP (Depth information) Aperture size: F2.4
Flash
Quad LED	LED
Video recording
4K UHD (60 fps), 1080p (240 fps), 720p (30 fps) OIS, Time-lapse video, Continuous autofocus, Video light, Video calling, Video sharing	1080p (30 fps)
Front
7 MP (HDR) Video capture: 1080p	13 MP Video capture: 1080p

Connectivity & Features

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

Multimedia

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

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71
4G (TDD) Bands
38, 39, 40, 41	38, 39, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
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

Alternative variants

with 64 GB storage


Memory	64GB
Prices (MSRP)	$999

for Verizon


4G (FDD) Bands	1, 2, 3, 5, 7, 8, 20, 28
4G (TDD) Bands	38, 40, 41
3G Bands	5, 8, 2, 1

A1865

for Sprint


4G (FDD) Bands	2, 3, 4, 5, 7, 12, 13, 25, 26, 66, 71
4G (TDD) Bands	41

Links

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