Infinity O-display
Device design
Rear camera
Q1, 2020
learn more*This analysis was conducted by Strategy Analytics, was authored by Neil Mawston, and posted on May 13, 2020. This analysis was based on the worldwide smartphone shipments result by model in Q1 2020. Strategy Analytics used its Smartphone Model Tracker (SMT) research as a source data.
"The device for you if battery life is a big deal to you." "Bigger displays, nicer displays, with no bezels! They are AMOLED, with a higher resolution."
"The Samsung Galaxy A51 is a winner thanks to plenty of high-end features and low-end price."
"If you're after a smartphone with a big screen, big battery and plenty of photography features, but don't want to break the bank, the Samsung Galaxy A51 could well be the phone for you.” Samsung Galaxy A51, TechRadar, 01/2020
A51's Infinity-O Display optimises visual symmetry. Now you can game, watch, surf, and multi-task without interruption on a 6.5" FHD+ widescreen display*—all powered by Super AMOLED technology. Enjoy a smartphone experience that minimises the bezel and maximises screen space.
*Measured diagonally, the screen size is 6.5" in the full rectangle and 6.3" with accounting for the rounded corners. Actual viewable area is less due to the rounded corners and the camera cutout.
**Images simulated for illustrative purposes.
The rhythmical pattern of A51's design theme is smooth and elegant. A premium gloss finish adds the perfect touch of style to its sleek and slim body, perfectly blending of style with in-hand comfort.
*Images simulated for illustrative purposes. Colour availability may vary by retailer and carrier.
Go ultra high-res with a 48MP Main Cam for crisp, clear photos day and night. A 123° Ultra Wide Cam captures more of the view. Choose the upgraded Macro Cam for highly refined close-ups, and make sure the subject always stands out with the Depth Camera’s multiple Live Focus effects.
*Images simulated for illustrative purposes. Colour availability may vary by retailer and carrier.
*Images simulated for illustrative purposes. Colour availability may vary by retailer and carrier.
Capture the wider world with the Ultra Wide Camera's wider field of vision**. And with the 48MP Main Camera, your story stays bright and clear throughout the day.
Quad Cam’s built-in Macro Cam (40mm) shoots with clarity and quality helping you bring out the ultra-fine details of your close-up shots**. Apply and adjust natural background blur (Bokeh) to isolate your subject and increase its visual impact.
*Images simulated for illustrative purposes.
**Ultra wide experience (photo/video) and Macro Cam are supported for rear camera only.
*Images simulated for illustrative purposes.
**Ultra wide experience (photo/video) and Macro Cam are supported for rear camera only.
Galaxy A51 records like a pro-level action camera utilising the Ultra Wide Camera and predictive software. Super steady gives you smooth live videos, even when your journey is on the adventurous side.
*Images simulated for illustrative purposes.
The Depth Camera lets you adjust the depth of field before and after you nail the shot. The advanced Depth Camera knocks out unwanted background noise from your images to make them look more professional.
You want your selfie to look good. So for stunning daytime looks, Galaxy A51's 32MP front camera gives you clear, high-resolution photos. And with Selfie focus to gently blur the background, your face becomes the star.
*Images simulated for illustrative purposes.
*Images simulated for illustrative purposes.
When out living life, you need a phone that can last. A 4,000mAh (typical) battery gives you the power to stream, share and game on**. And if you start running low, plug in and power up with 15W Fast Charging.***
^Images simulated for illustrative purposes.
*Estimated against the usage profile of an average/typical user with a fully charged device. Independently assessed by Strategy Analytics between 2020.05.25–2020.06.03 in UK with commercial versions of SM-A515. Actual battery life varies by network environment, features and apps used, frequency of calls and messages, number of times charged, and many other factors.
**Based on independent third party testing. Battery capacity value of a ‘typical’ user. Rated (i.e. minimum) battery capacity value is 3,890 mAh. Actual battery capacity value may vary. See user manual for instructions on optimum battery life.
***Actual battery life varies by network environment, features and apps used, frequency of calls and messages, number of times charged, and many other factors. Please see user manual for instructions on how to care for the battery and achieve optimum battery life. Adaptive Fast Charger required for fast charging.
Galaxy A51 has fast processing and spacious storage so you can focus on now. An advanced Octa-core processor and 6GB of RAM deliver smooth and efficient performance. Download more and delete less with up to 128GB internal storage.** Add even more with a 512GB microSD card.***
*Images simulated for illustrative purposes.
**Up to approximately 107.2GB user accessible internal memory, depending on pre-installed content.
*** MicroSD card sold separately.
Maximise performance with Game Booster. Cut distractions and up your game with a dedicated interface and easy-to-reach menu. Frame Booster gives graphics smooth, life-like motion. And play at your best as Game Booster learns your usage patterns to optimise battery, temperature and memory.
*Images simulated for illustrative purposes.
Built into the phone's hardware and software from the start, Samsung Knox protects your phone from the minute it's turned on. Offering multi-layered security, it defends your most sensitive information from malware and malicious threats.
Galaxy A51 comes with high-tech biometric authentication. The On-Screen Fingerprint scanner recognises your unique fingerprint, so you are the only one who can press and unlock in one easy move.
*If you use a screen protector, make sure it allows for use of the On-screen fingerprint sensor.
**Images simulated for illustrative purposes.
Galaxy A51 adapts to your life, reducing blue light and turning on Night mode to get your eyes ready for bed. It even keeps your phone unlocked and plays music when you get in your car.**Or you can customise to your needs with My Routine.
Get the information you need, faster, with Bixby's next-level vision intelligence. Bixby Vision is built right into your camera app to make life more efficient for you. Translate restaurant menus with ease and search for that furniture you saw at a party by simply scanning it.**
One UI helps you focus on what really matters to you. Hardware and software work together, with content and features at your fingertips so you can get to them faster.** Use Night Mode for a comfortable experience in the dark, and with clear and intuitive visuals using your phone is like second nature.
*Device and screen images simulated for illustrative purposes.
**One UI not compatible with all apps.
Enjoy peace of mind when you buy a Galaxy smartphone. The interactive diagnostics and optimisation on the Samsung Members app makes it easy to tune up the performance of your devices, while our helpline lets you troubleshoot problems when you need the extra assistance.
*Images simulated for illustrative purposes.
Introducing a series of phones that enables today’s generation to do what others can’t. Meet the new Galaxy A. Built for the Era of Live.
*Images simulated for illustrative purposes.We took what you love about J to create a better lineup – the new Galaxy A. See how J has been upgraded into the Era of Live.
*Images simulated for illustrative purposes.CPU Speed
2.3GHz, 1.7GHz
Weight (g)
172
Audio Playback Time (Hours)
Up to 87
Resolution (Main Display)
1080 x 2400 (FHD+)
CPU Speed
2.3GHz, 1.7GHz
CPU Type
Octa-Core
Size (Main_Display)
164.0mm (6.5" full rectangle) / 160.9mm (6.3" rounded corners)
Resolution (Main Display)
1080 x 2400 (FHD+)
Technology (Main Display)
Super AMOLED
Colour Depth (Main Display)
16M
Rear Camera - Resolution (Multiple)
48.0 MP + 12.0 MP + 5.0 MP + 5.0 MP
Rear Camera - F Number (Multiple)
F2.0 , F2.2 , F2.4 , F2.2
Rear Camera - Auto Focus
Yes
Rear Camera - OIS
No
Rear Camera Zoom
Digital Zoom up to 8x
Front Camera - Resolution
32.0 MP
Front Camera - F Number
F2.2
Front Camera - Auto Focus
No
Front Camera - OIS
No
Rear Camera - Flash
Yes
Front Camera - Flash
No
Video Recording Resolution
UHD 4K (3840 x 2160)@30fps
Slow Motion
240fps @HD
Memory_(GB)
6
Storage (GB)
128
Available Storage (GB)
107.2
External Storage Support
MicroSD (Up to 512GB)
SIM size
Nano-SIM (4FF)
Infra
2G GSM, 3G WCDMA, 4G LTE FDD, 4G LTE TDD
2G GSM
GSM850, GSM900, DCS1800, PCS1900
3G UMTS
B1(2100), B2(1900), B4(AWS), B5(850), B8(900)
4G FDD LTE
B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B13(700), B17(700), B20(800), B26(850), B28(700), B66(AWS-3)
4G TDD LTE
B38(2600), B40(2300), B41(2500)
ANT+
Yes
USB Interface
USB Type-C
USB Version
USB 2.0
Location Technology
GPS, Glonass, Beidou, Galileo
Earjack
3.5mm Stereo
MHL
No
Wi-Fi
802.11 a/b/g/n/ac 2.4G+5GHz, VHT80
Wi-Fi Direct
Yes
Bluetooth Version
Bluetooth v5.0 (LE up to 2 Mbps)
NFC
Yes
PC Sync.
Smart Switch (PC version)
Android
Form Factor
Touchscreen Bar
Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Virtual Proximity Sensing
Dimension (HxWxD, mm)
158.5 x 73.6 x 7.9
Weight (g)
172
Internet Usage Time(LTE) (Hours)
Up to 15
Internet Usage Time(Wi-Fi) (Hours)
Up to 16
Video Playback Time (Hours)
Up to 20
Battery Capacity (mAh, Typical)
4000
Removable
No
Audio Playback Time (Hours)
Up to 87
Talk Time (4G LTE) (Hours)
Up to 32
Stereo Support
No
Video Playing Format
MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM
Video Playing Resolution
UHD 4K (3840 x 2160)@120fps
Audio Playing Format
MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA
Gear Support
Galaxy Buds, Galaxy Fit, Galaxy Fit e, Galaxy Watch, Galaxy Watch Active, Gear Circle (Manager Support), Gear Fit, Gear Fit2, Gear Fit2 Pro, Gear Sport, Gear1, Gear2, Gear2 Neo, Gear S, Gear S2, Gear S3, Gear IconX, Gear IconX (2018)
Samsung DeX Support
No
Mobile TV
No
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