Display
Size:
4.0 inches
6.5 inches
Resolution:
1136 x 640 pixels, 326 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
IPS LCD
Super AMOLED
Screen-to-body:
60.82 %
87.37 %
Peak brightness:
500 cd/m2 (nit)
Features:
Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip:
Apple A9 APL0898
Samsung Exynos 9611
Processor:
Dual-core, 1840 MHz, Twister, 64-bit
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
GPU:
PowerVR GT7600
Mali-G72 MP3
RAM:
2GB
4GB LPDDR4
Internal storage:
128GB, not expandable
128GB, available to use: 105.9 GB
Storage expansion:
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
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, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging
Camera
Rear:
Single camera
Quad camera
Main camera:
12 MP (Sapphire crystal lens cover, Autofocus, BSI sensor)
48 MP (PDAF)
Specifications:
Aperture size: F2.2; Focal length: 29 mm; Sensor size: 1/3"; Pixel size: 1.22 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera:
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Third camera:
5 MP (Macro)
Specifications:
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:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Features:
Time-lapse video, Continuous autofocus, Picture-taking during video recording, EIS, Video calling, Video sharing
Hyperlapse, EIS
Front:
1.2 MP (HDR)
32 MP (HDR)
Video capture:
1280x720 (HD)
1920x1080 (Full HD)
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, 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
Cellular
LTE (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)
LTE (TDD):
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 41(2600+)
UMTS:
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
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):
for Noise cancellation, Video recording
for Noise cancellation
Connectivity & Features
Bluetooth:
4.2
5.0
Wi-Fi:
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 (reversible), USB 2.0
Features:
Charging, Mass storage device
Charging, OTG
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+
Hearing aid compatible:
M3, T4
Regulatory Approval
FCC approval:
Date approved:
Mar 21, 2016
Nov 28, 2019
FCC ID value:
BCG-E3042A
A3LSMA515FN
Measured SAR:
Head:
1.16 W/kg
0.89 W/kg
Body:
1.17 W/kg
1.18 W/kg
Simultaneous Transmission:
1.59 W/kg
1.56 W/kg
Wireless Router:
1.17 W/kg
1.12 W/kg
Phablet:
2.76 W/kg
Buyers information
Price:
$ 499
$ 400
User Manual:
This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Mar 21, 2016
Dec 12, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless