Display
Size:
6.5 inches
6.9 inches
Resolution:
2400 x 1080 pixels, 20:9 ratio, 405 PPI
3200 x 1440 pixels, 20:9 ratio, 509 PPI
Technology:
Super AMOLED
Dynamic AMOLED
Refresh rate:
60Hz
120Hz (@1080p)
Screen-to-body:
87.37 %
90.70 %
Features:
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
Hardware
System chip:
Samsung Exynos 9611 (10 nm)
Qualcomm Snapdragon 865 SM8250 (7 nm)
Processor:
Octa-core, 2300 MHz, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
Octa-core, 2840 MHz, Kryo 585, 64-bit
GPU:
Mali-G72 MP3
Adreno 650
RAM:
4GB LPDDR4
12GB LPDDR5
Internal storage:
128GB, available to use: 105.9 GB
128GB (UFS 3.0), available to use: 103.8 GB
Storage expansion:
microSDXC up to 512 GB
microSDXC up to 1000 GB
Device type:
Smartphone
Smartphone
OS:
Android (11, 10), Samsung One UI
Android (13, 12, 11, 10), Samsung One UI
Battery
Capacity:
4000 mAh
5000 mAh
Type:
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Max charge speed:
Wired: 45.0W; Wireless: 15.0W
Camera
Rear:
Quad camera
Quad camera
Main camera:
48 MP (PDAF)
108 MP (OIS, PDAF)
Specifications:
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm
Second camera:
12 MP (Ultra-wide)
48 MP (Telephoto, OIS, PDAF)
Specifications:
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Aperture size: F3.5; Focal Length: 102 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Third camera:
5 MP (Macro)
12 MP (Ultra-wide, Autofocus)
Specifications:
Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.4 μm
Fourth camera:
5 MP (Depth information)
0.3 MP VGA (ToF 3D depth sensing)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Flash:
LED
LED
Video recording:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Features:
Hyperlapse, EIS
OIS, HDR, Time-lapse video, EIS
Front:
32 MP (HDR)
40 MP (PDAF, HDR)
Video capture:
1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)
Design
Dimensions:
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
6.57 x 2.99 x 0.35 inches (166.9 x 76 x 8.8 mm)
Weight:
6.07 oz (172.0 g)
7.83 oz (222.0 g)
Materials:
Back: Plastic; Frame: Plastic
Back: Glass (Corning Gorilla Glass 6); Frame: Aluminum
Resistance:
Water, Dust; IP68
Biometrics:
2D Face unlock, In-screen fingerprint
2D Face unlock, Ultrasonic in-screen fingerprint
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Cosmic black, Cosmic grey
Cellular
5G:
n2, n5, n41, n66, n71, n260, n261, SA, NSA, Sub-6, mmWave
4G (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), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 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), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD):
Bands 38(2600), 39(1900+), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G:
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed:
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type:
Nano SIM
Nano SIM
Multimedia
Headphones:
3.5mm jack
No 3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Multiple speakers
Features:
Dolby Atmos
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
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, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.2
Features:
Charging, OTG
Charging, Headphones port, OTG
Location:
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other:
NFC, ANT+
NFC, ANT+
Hearing aid compatible:
M3, T4
Regulatory Approval
FCC approval:
Date approved:
Nov 28, 2019
Jan 28, 2020
FCC ID value:
A3LSMA515FN
A3LSMG988B
Measured SAR:
Head:
0.89 W/kg
0.26 W/kg
Body:
1.18 W/kg
0.41 W/kg
Simultaneous Transmission:
1.56 W/kg
1.57 W/kg
Wireless Router:
1.12 W/kg
1.04 W/kg
Phablet:
2.76 W/kg
2.12 W/kg
Buyers information
Price:
$ 400
$ 1400
User Manual:
This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.
This is the official Samsung Galaxy S20 Ultra 5G User Guide in English provided from the manufacturer.
Availability
Officially announced:
Dec 12, 2019
Feb 11, 2020