Samsung Galaxy A51 vs Apple iPhone XS Specs Comparison

Design

Dimensions
6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm	5.65 x 2.79 x 0.30 inches 143.6 x 70.9 x 7.7 mm
Weight
6.07 oz (172.0 g)	6.24 oz (177.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Glass Frame: Stainless steel
Resistance
	Water, Dust; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint	3D Face unlock
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control, Other; Right: Lock/Unlock key
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue	Gold, Silver, Space gray

Display

Size
6.5-inch	5.8-inch
Resolution
2400x1080px, 20:9 ratio, 405 PPI	2436x1125px, 19.5:9 ratio, 459 PPI
Technology
Super AMOLED	OLED
Refresh rate
60Hz
Screen-to-body
87.37 %	82.64 %
Peak brightness
	625 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	HDR support, Pressure-sensitive, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 9611 (10 nm)	Apple A12 Bionic APL1W81 (7 nm)
Processor
Octa-core 2300 MHz 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53	Hexa-core 2490 MHz Vortex and Tempest
GPU
Mali-G72 MP3	Apple 4-core GPU
RAM
4GB (LPDDR4)	4GB (LPDDR4)
Internal storage
128GB, available to use: 105.9 GB	64GB
Storage expansion
microSDXC up to 512 GB	not expandable
OS
Android (11, 10), Samsung One UI	iOS (15.x, 14.x, 13.x, 12.x)

Battery

Capacity
4000 mAh	2659 mAh
Type
Li - Polymer	Li - Ion
Charging
Fast charging	USB Power Delivery, Qi wireless charging
Charge speed
	Wired: 15.0W Wireless: 7.5W

PhoneArena Battery Tests

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Battery Life Estimate

Untested

Browsing

7h 49min

Video

4h 42min

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Dual camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	12 MP (Sapphire crystal lens cover, OIS, PDAF, BSI sensor) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm	12 MP (Telephoto, Sapphire crystal lens cover, OIS, PDAF, 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
5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm
Fourth camera
5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	Quad LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Hyperlapse, EIS	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) OIS, Time-lapse video, Continuous autofocus, Picture-taking during video recording
Front
32 MP (HDR), 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
	M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass, Barometer
Other
NFC, ANT+	NFC, UMA (Wi-Fi Calling)

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation	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), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 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), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 29(700 d), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 41(2600+)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 46
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, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM, eSIM
HD Voice
	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN	Date approved: Sep 12, 2018 FCC ID value: BCG-E3218A
Measured SAR
Head: 0.89 W/kg Body: 1.18 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.12 W/kg Phablet: 2.76 W/kg	Head: 0.90 W/kg Body: 0.99 W/kg Simultaneous Transmission: 1.53 W/kg Wireless Router: 0.99 W/kg

Buyers information

MSRP
$ 400	$ 999
In The Box
	EarPods with Lightning Connector, Lightning to USB Cable, USB Power Adapter, Documentation

Availability

Officially announced
Dec 12, 2019	Sep 12, 2018

Alternative variants

with 128GB storage

RAM	6GB
Internal storage	128GB

with 512 GB storage

Internal storage	512GB
MSRP	$ 1349

for Verizon

4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

with 256 GB storage

Internal storage	256GB
MSRP	$ 1149

for AT&T

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

for Sprint

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

for Europe

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), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)	Bands 38(2600), 40(2300), 41(2600+)
Dual SIM	Yes

Links

Full specifications
Samsung Galaxy A51 Specs	Apple iPhone XS Specs
PhoneArena Review
Samsung Galaxy A51 Review	Apple iPhone XS Review
User Reviews
Samsung Galaxy A51 User Reviews	Apple iPhone XS User Reviews