Display
Size:
6.7 inches
6.5 inches
Resolution:
2676 x 1236 pixels, 19.5:9 ratio, 439 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
OLED
Super AMOLED
Refresh rate:
120Hz
60Hz
Screen-to-body:
90.79 %
87.37 %
Features:
Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip:
Qualcomm Snapdragon 778G SM7325 (6 nm)
Samsung Exynos 9611 (10 nm)
Processor:
Octa-core, 2400 MHz, Kryo 670, 64-bit
Octa-core, 2300 MHz, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
GPU:
Adreno 642L
Mali-G72 MP3
RAM:
8GB
4GB LPDDR4
Internal storage:
256GB, not expandable
128GB, available to use: 105.9 GB
Storage expansion:
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (11)
Android (11, 10), Samsung One UI
Battery
Capacity:
4000 mAh
4000 mAh
Type:
Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging
Fast charging
Max charge speed:
Wired: 100.0W
Camera
Rear:
Quad camera
Quad camera
Main camera:
108 MP (PDAF)
48 MP (PDAF)
Specifications:
Aperture size: F1.9; Sensor size: 1/1.52”; Pixel size: 0.7 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera:
8 MP (Ultra-wide)
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Focal Length: 17 mm
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
Aperture size: F2.4; Focal Length: 40 mm
Fourth camera:
2 MP (Depth information)
5 MP (Depth information)
Specifications:
Aperture size: F2.4
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Video recording:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Features:
Time-lapse video, Object tracking, EIS
Hyperlapse, EIS
Front:
32 MP (Dual-Camera)
32 MP (HDR)
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.44 x 2.94 x 0.31 inches (163.5 x 74.7 x 8 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
Weight:
6.60 oz (187.0 g)
6.07 oz (172.0 g)
Materials:
Back: Glass; Frame: Metal
Back: Plastic; Frame: Plastic
Biometrics:
2D Face unlock, In-screen fingerprint
2D Face unlock, In-screen fingerprint
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Frost Crystal, Amber Red, Emerald Green, Midnight Black
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Cellular
5G:
n1, n5, n8, n41, n77, n78, SA, NSA
LTE (FDD):
Bands 1(2100), 2(1900), 4(AWS-1), 5(850), 8(900), 19(800 Upper)
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 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 41(2600+)
UMTS:
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed:
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
SIM type:
Nano SIM
Nano SIM
Multimedia
Headphones:
No 3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
aptX, aptX-HD
Dolby Atmos
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
Additional microphone(s):
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth:
5.2
5.0
Wi-Fi:
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Features:
Charging, OTG
Charging, OTG
Location:
GPS, A-GPS, Glonass, Galileo, BeiDou, 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
NFC, ANT+
Regulatory Approval
FCC approval:
Date approved:
Nov 28, 2019
FCC ID value:
A3LSMA515FN
Measured SAR:
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
Price:
$ 400
User Manual:
This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Jun 16, 2021
Dec 12, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless