Apple iPhone SE vs Samsung Galaxy A51 Specs Comparison

Design

Dimensions
4.87 x 2.31 x 0.30 inches 123.8 x 58.6 x 7.6 mm	6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm
Weight
3.99 oz (113.0 g)	6.07 oz (172.0 g)
Materials
Back: Aluminum Frame: Aluminum	Back: Plastic Frame: Plastic
Biometrics
Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Keys
Left: Volume control, Other	Right: Volume control, Lock/Unlock key
Colors
Gold, Silver, Rose gold, Space gray	Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Display

Size
4.0-inch	6.5-inch
Resolution
1136x640px, 326 PPI	2400x1080px, 20:9 ratio, 405 PPI
Technology
IPS LCD	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
60.82 %	87.37 %
Peak brightness
500 cd/m2 (nit)
Features
Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Apple A9 APL0898	Samsung Exynos 9611 (10 nm)
Processor
Dual-core 1840 MHz Twiste	Octa-core 2300 MHz 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
GPU
PowerVR GT7600	Mali-G72 MP3
RAM
2GB	4GB (LPDDR4)
Internal storage
128GB	128GB, available to use: 105.9 GB
Storage expansion
not expandable	microSDXC up to 512 GB
OS
iOS (14.x, 13.x, 12.x, 11.x, 10.x, 9.x)	Android (11, 10), Samsung One UI

Battery

Capacity
1624 mAh	4000 mAh
Type
Li - Ion	Li - Polymer
Charging
	Fast charging

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Quad camera
Main camera
12 MP (Sapphire crystal lens cover, Autofocus, BSI sensor) Aperture size: F2.2 Focal length: 29 mm Sensor size: 1/3" Pixel size: 1.22 μm	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 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
Dual LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Time-lapse video, Continuous autofocus, Picture-taking during video recording, EIS, Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Hyperlapse, EIS
Front
1.2 MP (HDR), Video capture: 1280x720 (HD)	32 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 b,g,n,ac,dual-band Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Lightning	Type-C, USB 2.0
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync, AirDrop	NFC, ANT+

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Dolby Atmos
Screen mirroring
	Wireless screen share
Radio
	FM
Additional microphone(s)
Noise cancellation, Video recording	Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 29(700 d)	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)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE Cat 4 (150/50 Mbit/s), HSPA, HSUPA, UMTS	LTE-A, 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: Mar 21, 2016 FCC ID value: BCG-E3042A	Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN
Measured SAR
Head: 1.16 W/kg Body: 1.17 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.17 W/kg	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

Buyers information

MSRP
$ 499	$ 400

Availability

Officially announced
Mar 21, 2016	Dec 12, 2019

Alternative variants

with 16 GB storage

Internal storage	16GB
MSRP	$ 399

with 128GB storage

RAM	6GB
Internal storage	128GB

with 32 GB storage

Internal storage	32GB
MSRP	$ 399

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 64 GB storage

Internal storage	64GB
MSRP	$ 499

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 Europe

4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT)

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
Apple iPhone SE Specs	Samsung Galaxy A51 Specs
PhoneArena Review
Apple iPhone SE Review	Samsung Galaxy A51 Review
User Reviews
Apple iPhone SE User Reviews	Samsung Galaxy A51 User Reviews