Galaxy A51
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Infinity-O Display
Refined and stylish design
Quad-camera system
True innovation for everyone
True innovation for everyone
Galaxy A51 Reviews
  • Trusted Reviews
    "The Samsung Galaxy A51 is a winner thanks to plenty of high-end features and low-end price.”
  • TechRadar
    "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
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Big screen. Small price
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 each inch of screen space.
Big screen. Small price
*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.
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Wide angle
*Ultra wide experience (photo/video) is supported for rear camera only.
Designed for a refined level of style and comfort
The rhythmical pattern of A51's design theme comes in smooth and elegant pastel shades including Prism Crush Black, White and Blue. A premium gloss finish adds the perfect touch of style to its sleek and slim body, perfectly blending of style with in-hand comfort.
Designed for a refined level of style and comfort
Awesome Quad camera to capture more
Go ultra high-res with a 48MP Main Cam for crisp, clear photos day and night. A 123° 12MP Ultra Wide Cam captures more of the view. Choose the upgraded 5MP Macro Cam for highly refined close-ups, and make sure the subject always stands out with the 5MP Depth Camera’s multiple Live Focus effects.
Awesome Quad camera to capture more
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Live Focus On
Capture more of the view from the same spot
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.
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Wide angle
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*Ultra wide experience (photo/video) is supported for rear camera only.
Macro Cam that captures the up-close details
Quad Cam’s built-in 5MP 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.
*Macro Camera feature supported for rear camera only.
Macro Cam that captures the up-close details
Shoots smooth and steady just like the pros
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.*
Shoots smooth and steady just like the pros
*Results may vary depending on shooting conditions including multiple subjects, being out of focus, or moving subjects. Viewing angle adjusted down for selfie with Ultra Wide Camera. Does not support zoom function. Performance of the image stabilization may vary depending on the light condition. Only available when shooting with the Ultra Wide Camera in Full HD.
Depth Camera brings your subject into the spotlight
The 5MP Depth Camera lets you adjust the depth of field before and after you nail the shot. The advanced 5MP Depth Camera knocks out unwanted background noise from your images to make them look more professional.
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Live Focus On
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Attention-grabbing selfies made easy
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.
Attention-grabbing selfies made easy
Long lastingbattery at no extra charge
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.
Long lastingbattery at no extra charge
*Typical value tested under third-party laboratory condition. Typical value is the estimated average value considering the deviation in battery capacity among the battery samples tested under IEC 61960 standard. Rated (minimum) capacity is 3,890 mAh. Actual battery life may vary depending on network environment, usage patterns and other factors.
Premium storage at no extra cost
Galaxy A51 has fast processing and spacious storage, so you can focus on now. An advanced Octa-core processor and up to 4GB 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.*
Premium storage at no extra cost
*MicroSD card sold separately. External memory can be used to store media (photos, video and music files) but no applications.
Game Booster gives you the edge
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.
Game Booster gives you the edge
Defence-grade security available to everyone
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.
Defence-grade security available to everyone
Your fingerprint is the key
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.
Your fingerprint is the key
*If you use a screen protector, make sure it allows for use of the On-screen fingerprint sensor.
Do more with Bixby
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Bixby Routines
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.**
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Bixby Vision
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.****
Made to focus
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.
Made to focus
Galaxy A51
2.3GHz, 1.7GHz
CPU Speed
172
Weight (g)
Up to 87
Audio Playback Time (Hours)
128
ROM Size (GB)
SHOW MORE SPECS
  • CPU Speed
    2.3GHz, 1.7GHz
  • Weight (g)
    172
  • Audio Playback Time (Hours)
    Up to 87
  • ROM Size (GB)
    128
Processor
  • CPU Type
    Octa-Core
Display
  • 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
  • Color Depth (Main Display)
    16M
Camera
  • 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
  • RAM_Size (GB)
    4
  • Available Memory (GB)*
    107.0
  • External Memory Support
    MicroSD (Up to 512GB)
Network/Bearer
  • Number of SIM
    Single-SIM
  • SIM size
    Nano-SIM (4FF)
  • SIM Slot Type
    SIM 1 + SIM 2 + MicroSD
  • 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)
Connectivity
  • 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)
OS
  • Android
General Information
  • Form Factor
    Touchscreen Bar
Sensors
  • Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Virtual Proximity Sensing
Physical specification
  • Dimension (HxWxD, mm)
    158.5 x 73.6 x 7.9
Battery
  • 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
  • Talk Time (4G LTE) (Hours)
    Up to 32
Audio and Video
  • 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
Services and Applications
  • Gear Support
    Galaxy Buds, Galaxy Fit, Galaxy Fit e, Galaxy Watch, Galaxy Watch Active, Galaxy Watch Active2, 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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