Display
Size:
6.5 inches
6.7 inches
5.8 inches
Resolution:
2400 x 1080 pixels, 20:9 ratio, 405 PPI
2400 x 1080 pixels, 20:9 ratio, 395 PPI
2340 x 1080 pixels, 19.5:9 ratio, 444 PPI
Technology:
Super AMOLED
IPS LCD
OLED
Screen-to-body:
87.37 %
84.27 %
82.53 %
Features:
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor
60Hz refresh rate, HDR video support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip:
Samsung Exynos 9611
HiSilicon Kirin 710A
Qualcomm Snapdragon 730 SM7150-AA
Processor:
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 2000 MHz, Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 14 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm
GPU:
Mali-G72 MP3
Mali-G51 MP4
Adreno 618
RAM:
4GB LPDDR4
4GB
6GB LPDDR4
Internal storage:
128GB, available to use: 105.9 GB
128GB
128GB, not expandable
Storage expansion:
microSDXC up to 512 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
Android (10), Samsung One UI
Android (10), Huawei Emotion UI
Android (11, 10)
Battery
Capacity:
4000 mAh
5000 mAh
3140 mAh
Type:
Li - Polymer, Not user replaceable
Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging
Huawei SuperCharge
USB Power Delivery
Max charge speed:
Wired: 22.5W
Wired: 18.0W
Camera
Rear:
Quad camera
Quad camera
Single camera
Main camera:
48 MP (PDAF)
48 MP (PDAF)
12.2 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
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Second camera:
12 MP (Ultra-wide)
8 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Aperture size: F2.4
Third camera:
5 MP (Macro)
2 MP (Macro)
Specifications:
Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.4
Fourth camera:
5 MP (Depth information)
2 MP (Depth information)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.4
Video recording:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Features:
Hyperlapse, EIS
EIS
Front:
32 MP (HDR)
8 MP
8 MP
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
6.52 x 3.03 x 0.36 inches (165.65 x 76.88 x 9.26 mm)
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)
Weight:
6.07 oz (172.0 g)
7.27 oz (206.0 g)
5.04 oz (143.0 g)
Materials:
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic
Biometrics:
2D Face unlock, In-screen fingerprint
Fingerprint (touch)
Fingerprint (touch)
Keys:
Right: Volume control, Lock/Unlock key
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
Midnight black, Crush green, Blush gold
Just black
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), 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), 3(1800), 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), 17(700 b), 18(800 Lower), 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+), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
UMTS:
850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
Data Speed:
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
Yes
SIM type:
Nano SIM
Nano SIM
Nano SIM, eSIM
Multimedia
Headphones:
3.5mm jack
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers
Features:
Dolby Atmos
aptX, aptX-HD
Screen mirroring:
Wireless screen share
Wireless screen share
Wireless screen share
Radio:
FM
Additional microphone(s):
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth:
5.0
5.1
5.1
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 b, g, n; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1
Features:
Charging, OTG
Charging, OTG
Charging
Location:
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, 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, Compass
Accelerometer, Gyroscope, Compass, Barometer
Other:
NFC, ANT+
NFC
Hearing aid compatible:
M3, T4
Regulatory Approval
Measured SAR:
Head:
0.89 W/kg
1.18 W/kg
Body:
1.18 W/kg
1.19 W/kg
Simultaneous Transmission:
1.56 W/kg
1.59 W/kg
Wireless Router:
1.12 W/kg
1.00 W/kg
Phablet:
2.76 W/kg
Buyers information
Price:
$ 400
€ 229
$ 349
User Manual:
This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.
In The Box:
Charger, Charging cable type-C, Quick Start Guide, SIM pin, 3.5 mm headphones
18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool
Availability
Officially announced:
Dec 12, 2019
Aug 03, 2020
