Display
Size:
6.3 inches
6.5 inches
Resolution:
2960 x 1440 pixels, 18.5:9 ratio, 522 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
Super AMOLED
Super AMOLED
Screen-to-body:
83.12 %
87.37 %
Features:
HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), 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 845 SDM845
Samsung Exynos 9611
Processor:
Octa-core, 2500 MHz, Kryo 385, 64-bit, 10 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
GPU:
Adreno 630
Mali-G72 MP3
RAM:
4GB LPDDR4
4GB LPDDR4
Internal storage:
64GB, not expandable
128GB, available to use: 105.9 GB
Storage expansion:
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (11, 10, 9.0 Pie)
Android (10), Samsung One UI
Battery
Capacity:
3430 mAh
4000 mAh
Type:
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
USB Power Delivery, Qi wireless charging
Fast charging
Camera
Rear:
Single camera
Quad camera
Main camera:
12.2 MP (OIS, PDAF, CMOS image sensor)
48 MP (PDAF)
Specifications:
Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 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:
OIS, EIS, Video calling, Video sharing
Hyperlapse, EIS
Front:
8 MP (Dual-Camera, Wide Angle, Autofocus)
32 MP (HDR)
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.22 x 3.02 x 0.31 inches (158 x 76.7 x 7.9 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
Weight:
6.49 oz (184.0 g)
6.07 oz (172.0 g)
Materials:
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Plastic; Frame: Plastic
Resistance:
Water, Dust; IP68
Biometrics:
Fingerprint (touch)
2D Face unlock, In-screen fingerprint
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Black, Pink, White
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), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 32(1500 L-band), 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), 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+), 46
Bands 38(2600), 39(1900+), 41(2600+)
UMTS:
850, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
Data Speed:
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
SIM type:
Nano SIM, eSIM
Nano SIM
HD Voice:
Yes
VoLTE:
Yes
Multimedia
Headphones:
No 3.5mm jack
3.5mm jack
Speakers:
Earpiece, Multiple speakers
Earpiece, Loudspeaker
Features:
Album art cover, Background playback
Dolby Atmos
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
Additional microphone(s):
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth:
5.0
5.0
Wi-Fi:
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:
Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0
Features:
Charging, Headphones port, Mass storage device
Charging, OTG
Location:
GPS, A-GPS, Glonass, Galileo
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other:
NFC, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+
Hearing aid compatible:
M3, T3
Regulatory Approval
Measured SAR:
Head:
1.35 W/kg
0.89 W/kg
Body:
1.19 W/kg
1.18 W/kg
Simultaneous Transmission:
1.59 W/kg
1.56 W/kg
Wireless Router:
1.35 W/kg
1.12 W/kg
Phablet:
3.48 W/kg
2.76 W/kg
Buyers information
Price:
$ 899
$ 400
User Manual:
This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.
In The Box:
Quick Switch Adapter, USB-C to USB-C cable, USB-C 18W Power adapter, Pixel USB-C earbuds, USB-C to 3.5mm headphone adapter, SIM tool, Quick Start Guide
Availability
Officially announced:
Oct 09, 2018
Dec 12, 2019
