Display
Size:
5.7 inches
6.4 inches
6.5 inches
Resolution:
1440 x 720 pixels, 18:9 ratio, 282 PPI
1560 x 720 pixels, 19.5:9 ratio, 268 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
IPS LCD
IPS LCD
Super AMOLED
Screen-to-body:
74.77 %
80.92 %
87.37 %
Features:
Ambient light sensor, Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip:
Qualcomm Snapdragon 427 MSM8920
Qualcomm Snapdragon 450 SDM450
Samsung Exynos 9611
Processor:
Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 28 nm
Octa-core, 1800 MHz, Arm Cortex-A53, 64-bit, 14 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
GPU:
Adreno 308
Adreno 506
Mali-G72 MP3
RAM:
3GB LPDDR3
2GB LPDDR3
4GB LPDDR4
Internal storage:
32GB
32GB, available to use: 20.3 GB
128GB, available to use: 105.9 GB
Storage expansion:
microSDXC up to 128 GB
microSDXC up to 512 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
Android (9.0 Pie, 8.0 Oreo)
Android (10)
Android (11, 10), Samsung One UI
Battery
Capacity:
4000 mAh
4000 mAh
4000 mAh
Type:
Li - Ion, Not user replaceable
Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Motorola TurboPower
Fast charging
Fast charging
Max charge speed:
Wired: 15.0W
Camera
Rear:
Single camera
Triple camera
Quad camera
Main camera:
13 MP (PDAF)
13 MP (Autofocus)
48 MP (PDAF)
Specifications:
Aperture size: F2.0
Aperture size: F1.8
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera:
5 MP (Ultra-wide)
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Third camera:
2 MP (Depth information)
5 MP (Macro)
Specifications:
Aperture size: F2.4
Aperture size: F2.4; Focal Length: 40 mm
Fourth camera:
5 MP (Depth information)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Video recording:
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Features:
Video calling, Video sharing
Hyperlapse, EIS
Front:
5 MP (Flash)
8 MP
32 MP (HDR)
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.12 x 2.84 x 0.36 inches (155.4 x 72.2 x 9.1 mm)
6.42 x 3.00 x 0.31 inches (163.1 x 76.3 x 8.0 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
Weight:
6.35 oz (180.0 g)
6.24 oz (177.0 g)
6.07 oz (172.0 g)
Materials:
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic
Resistance:
Splash
Biometrics:
Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
2D Face unlock, In-screen fingerprint
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Gray, Blue
White, Red, Black, Blue
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Cellular
LTE (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), 17(700 b), 25(1900+), 26(850+), 29(700 d), 30(2300 WCS), 66(AWS-3)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
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)
LTE (TDD):
Bands 38(2600), 41(2600+)
Bands 38(2600), 39(1900+), 41(2600+)
UMTS:
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Data Speed:
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type:
Nano SIM
Nano SIM
Nano SIM
HD Voice:
Yes
VoLTE:
Yes
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Album art cover, Background playback
Dolby Atmos
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
FM
Additional microphone(s):
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth:
4.2
4.2
5.0
Wi-Fi:
802.11 a, b, g, n, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
microUSB, USB 2.0
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Features:
Charging, Mass storage device
Charging
Charging, OTG
Location:
GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other:
ANT+, VoIP, Tethering, Computer sync, OTA sync
UMA (Wi-Fi Calling)
NFC, ANT+
Hearing aid compatible:
M4, T3
Regulatory Approval
FCC approval:
Date approved:
May 07, 2020
Nov 28, 2019
Measured SAR:
Head:
1.08 W/kg
0.89 W/kg
Body:
0.76 W/kg
1.18 W/kg
Simultaneous Transmission:
1.45 W/kg
1.56 W/kg
Wireless Router:
0.76 W/kg
1.12 W/kg
Phablet:
2.76 W/kg
Buyers information
Price:
$ 180
$ 400
User Manual:
This is the official Samsung Galaxy A11 User Guide in English provided from the manufacturer.
This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.
In The Box:
Case, Charger, USB cable, SIM removal tool
Availability
Officially announced:
Apr 19, 2018
Mar 13, 2020
Dec 12, 2019