Display
Size:
6.5 inches
6.7 inches
6.7 inches
Resolution:
2400 x 1080 pixels, 20:9 ratio, 405 PPI
2778 x 1284 pixels, 458 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI
Technology:
Super AMOLED
OLED
Super AMOLED Plus
Screen-to-body:
87.37 %
87.45 %
87.24 %
Peak brightness:
1200 cd/m2 (nit)
Features:
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
60Hz refresh rate, HDR video support, Oleophobic coating, Scratch-resistant glass (Ceramic Shield), Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip:
Samsung Exynos 9611
Apple A14 Bionic
Qualcomm Snapdragon 730 SM7150-AA
Processor:
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Hexa-core, 64-bit, 5 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm
GPU:
Mali-G72 MP3
Yes
Adreno 618
RAM:
4GB LPDDR4
6GB LPDDR5
6GB LPDDR4
Internal storage:
128GB, available to use: 105.9 GB
128GB (NVMe), not expandable
128GB, available to use: 106.1 GB
Storage expansion:
microSDXC up to 512 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
Smartphone
OS:
Android (10), Samsung One UI
iOS (14.x)
Android (10), Samsung One UI
Battery
Capacity:
4000 mAh
3687 mAh
4500 mAh
Type:
Li - Polymer, Not user replaceable
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging
USB Power Delivery, Qi wireless charging, MagSafe wireless charging
Fast charging
Max charge speed:
Wireless: 15.0W
Camera
Rear:
Quad camera
Triple camera
Quad camera
Main camera:
48 MP (PDAF)
12 MP (OIS, PDAF)
64 MP (PDAF)
Specifications:
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.6; Focal length: 26 mm; Pixel size: 1.7 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Second camera:
12 MP (Ultra-wide)
12 MP (Telephoto, OIS, PDAF)
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Optical zoom: 2x; Aperture size: F2.2; Focal Length: 65 mm
Aperture size: F2.2; Focal Length: 12 mm
Third camera:
5 MP (Macro)
12 MP (Ultra-wide)
5 MP (Macro)
Specifications:
Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.4; Focal Length: 13 mm
Aperture size: F2.4; Focal Length: 25 mm
Fourth camera:
5 MP (Depth information)
5 MP (Depth information)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
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) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Features:
Hyperlapse, EIS
OIS, HDR, Time-lapse video, Continuous autofocus, Picture-taking during video recording, Video light
EIS
Front:
32 MP (HDR)
12 MP (Time-of-Flight (ToF), EIS, HDR, Slow-motion videos)
32 MP (HDR)
Video capture:
1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)
1920x1080 (Full HD)
Design
Dimensions:
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
6.33 x 3.07 x 0.29 inches (160.84 x 78.09 x 7.39 mm)
6.44 x 2.99 x 0.30 inches (163.6 x 76 x 7.7 mm)
Weight:
6.07 oz (172.0 g)
8.03 oz (228.0 g)
6.31 oz (179.0 g)
Materials:
Back: Plastic; Frame: Plastic
Back: Glass; Frame: Stainless steel
Back: Plastic; Frame: Plastic
Materials & Colors:
Pacific blue, Gold, Silver, Graphite
Resistance:
Water, Splash, Dust; IP68
Biometrics:
2D Face unlock, In-screen fingerprint
3D Face unlock
2D Face unlock, In-screen fingerprint
Keys:
Right: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Cellular
5G:
n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n71, n77, n78, n79, n260, n261, Sub-6, mmWave
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), 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), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 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), 17(700 b), 20(800 DD), 28(700 APT), 66(AWS-3)
LTE (TDD):
Bands 38(2600), 39(1900+), 41(2600+)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46, 48(3600)
Bands 38(2600), 40(2300), 41(2600+)
UMTS:
850, 900, 1700/2100, 1900, 2100 MHz
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-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:
Yes
Yes
SIM type:
Nano SIM
Nano SIM, eSIM
Nano SIM
HD Voice:
Yes
VoLTE:
Yes
Multimedia
Headphones:
3.5mm jack
No 3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Dolby Atmos
Dolby Atmos
Screen mirroring:
Wireless screen share
Wireless screen share
Wireless screen share
Radio:
FM
FM
Additional microphone(s):
for Noise cancellation
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth:
5.0
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
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Lightning
Type-C (reversible), USB 2.0
Features:
Charging, OTG
Charging, Headphones port
Charging, OTG
Location:
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Barometer, LiDAR scanner
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other:
NFC, ANT+
NFC, UMA (Wi-Fi Calling)
NFC, ANT+
Hearing aid compatible:
M3, T4
Regulatory Approval
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
$ 1100
User Manual:
This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.
This is the official Samsung Galaxy A71 User Guide in English provided from the manufacturer.
In The Box:
USB‑C to Lightning Cable, Documentation
Availability
Officially announced:
Dec 12, 2019
Oct 13, 2020
Dec 12, 2019
