Display
Size:
5.2 inches
6.7 inches
6.5 inches
Resolution:
1920 x 1080 pixels, 424 PPI
2400 x 1080 pixels, 20:9 ratio, 395 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
IPS LCD
IPS LCD
Super AMOLED
Screen-to-body:
71.00 %
84.68 %
87.37 %
Colors:
16 777 216
Peak brightness:
450 cd/m2 (nit)
Touchscreen:
Capacitive, Multi-touch
Features:
Oleophobic coating, Scratch-resistant glass (Tempered Glass), Ambient light sensor, Proximity sensor
120Hz refresh rate, HDR 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 810 MSM8994
Qualcomm Snapdragon 732G SM7150-AC
Samsung Exynos 9611
Processor:
Octa-core, 2000 MHz, ARM Cortex-A57 and ARM Cortex-A53, 64-bit
Octa-core, 2300 MHz, Kryo 470, 64-bit, 8 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
GPU:
Adreno 430
Adreno 618
Mali-G72 MP3
RAM:
3GB LPDDR4
6GB LPDDR4
4GB LPDDR4
Internal storage:
32GB, available to use: 23 GB
64GB (UFS 2.1)
128GB, available to use: 105.9 GB
Storage expansion:
microSDXC up to 200 GB
microSDXC up to 256 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
Android (7.1 Nougat, 7.0 Nougat, 6.0 Marshmallow, 5.1 Lollipop)
Android (10), Xiaomi MI UI
Android (11, 10), Samsung One UI
Battery
Capacity:
2900 mAh
5160 mAh
4000 mAh
Type:
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Qualcomm Quick Charge 2.0
Fast charging
Fast charging
Max charge speed:
Wired: 33.0W
Camera
Rear:
Single camera
Quad camera
Quad camera
Main camera:
23 MP (PDAF)
64 MP (PDAF)
48 MP (PDAF)
Specifications:
Focal length: 24 mm; Sensor size: 1/2.3"
Aperture size: F1.9; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera:
13 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 (Macro)
5 MP (Macro)
Specifications:
Aperture size: F2.4; Pixel size: 1.75 μm
Aperture size: F2.4; Focal Length: 40 mm
Fourth camera:
2 MP (Depth information)
5 MP (Depth information)
Specifications:
Aperture size: F2.4; Pixel size: 1.75 μm
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Video recording:
3840x2160 (4K UHD)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Features:
Continuous autofocus, Video calling
Hyperlapse, EIS
Front:
5 MP
20 MP (HDR)
32 MP (HDR)
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
5.75 x 2.83 x 0.29 inches (146 x 72 x 7.3 mm)
6.51 x 3.02 x 0.37 inches (165.3 x 76.8 x 9.4 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
Weight:
5.43 oz (154.0 g)
7.58 oz (215.0 g)
6.07 oz (172.0 g)
Materials:
Back: Glass; Frame: Metal
Back: Plastic
Back: Plastic; Frame: Plastic
Resistance:
Water, Dust; IP68
Splash, Dust; IP53
Biometrics:
Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
2D Face unlock, In-screen fingerprint
Keys:
Right: Volume control, Camera shutter, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Black, Gold, Pink, Green, White
Shadow gray, Cobalt 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), 17(700 b), 20(800 DD), 28(700 APT)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
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), 40(2300)
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 41(2600+)
UMTS:
Bands 5(850), 8(900), 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-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Shared with microSD
SIM type:
Nano SIM
Nano SIM
Nano SIM
VoLTE:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Loudspeaker
Features:
Album art cover, Background playback, Music recognition
Dolby Atmos
Screen mirroring:
DLNA, Wireless screen share, MHL, MirrorLink
Wireless screen share
Wireless screen share
Radio:
FM, Stereo, RDS
FM
FM
Additional microphone(s):
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth:
4.1
5.1
5.0
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; MIMO, Hotspot, Wi-Fi Direct
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:
Mass storage device, OTG, Charging
Charging
Charging, OTG
Location:
GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Pedometer, Compass, Barometer, Step detector, Step counter
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other:
NFC, ANT+, Tethering, Computer sync, OTA sync
NFC, Infrared
NFC, ANT+
Phone features
Notifications:
Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features:
Voice dialing, Voice commands, Voice recording, TTY/TDD
Regulatory Approval
FCC approval:
Date approved:
Sep 13, 2015
Nov 28, 2019
Measured SAR:
Head:
0.55 W/kg
0.89 W/kg
Body:
0.59 W/kg
1.18 W/kg
Simultaneous Transmission:
1.16 W/kg
1.56 W/kg
Wireless Router:
0.64 W/kg
1.12 W/kg
Phablet:
2.76 W/kg
Buyers information
Price:
€ 229
$ 400
User Manual:
This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.
In The Box:
33W power adapter, USB Type-C cable, Anti-bacterial case and screen protection, SIM eject tool, User guide, Warranty card
Availability
Officially announced:
Sep 02, 2015
Dec 12, 2019