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Samsung Galaxy A51 (SM-A515F/DS) vs Samsung Galaxy S9 (SM-G960U)

Side by side comparison between Samsung Galaxy A51 vs Samsung Galaxy S9 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy S9 XSamsung Galaxy A51 (SM-A515F/DS)09Points
Samsung Galaxy A51 (SM-A515F/DS)
6.5"
AMOLED

1080x2400

48
MP

32mp

4GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
21PointsSamsung Galaxy S9 (SM-G960U)Compare Samsung Galaxy A51 X
Samsung Galaxy S9 (SM-G960U)
5.8"
AMOLED

1440x2960

12.2
MP

8mp

4GB
RAM

64bit Octa

3000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S9 (SM-G960U)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Galaxy A51 (SM-A515F/DS)9 Advantages Samsung Galaxy A51 (SM-A515F/DS)vsGalaxy S9 (SM-G960U)21 Advantages Samsung Galaxy S9 (SM-G960U)
+128GB (107GB available)110%
More internal storage for applications and files
vs64GB (51GB available)
+7.9 millimeters (0.31 inches)8%
Thinner
vs8.5 millimeters (0.33 inches)
+6.5"12%
Larger screen
vs5.8"
+(quad camera) 48MP + 12MP + 5MP + 5MP5 times
Higher resolution main camera
vs(back) 12.2MP
+1/2" inches28%
The larger sensor camera lets you take photos with better depth.
vs1/2.55" inches
+(front) 32MP3 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+(front) 4K UHD (3840x2160)125%
More image quality for recording videos with the secondary camera
vs(front) 2K UHD (2560x1440)
+4000 mAh33%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 mAh
+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device
vs1 slot (Single-SIM)
(dedicated slot)
2.3GHz 64bit Octa-Corevs+2.8GHz 64bit Octa-Core26%
More powerful processor, you can open your applications faster
eMMC 5.1vs+UFS 2.1Advantage
Fastest write and read storage.
172 grams (6.02 ounces)vs+163 grams (5.71 ounces)6%
Lighter
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
Not supportedvs+HDR10Advantage
The HDR10 display provides vibrant colors and more details
1080x2400 pixelsvs+1440x2960 pixels64%
Higher resolution screen
405 PPIvs+568 PPI40%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
EIS: Digital stabilizationvs+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
f/2.0 (aperture)vs+f/1.5 (aperture)33%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(4G+ LTE-A) 600 Mbpsvs+(4G+ LTE-A) 1200 Mbps100%
Faster for surfing the internet and download files
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+Heart rateAdvantage
Sensors help you use the device
Not supportedvs+Iris scannerAdvantage
Sensors help you use the device
Virtual proximity sensorvs+Proximity sensorAdvantage
Sensors help you use the device
Not supportedvs+SpO2Advantage
Sensors help you use the device
Not supportedvs+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
USB 2.0 Type-C, USB OTG On-The-Govs+USB 3.1 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
Not supportedvs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

34 Common items in both devices
4GB LPDDR4X
Until 1TB microSD, microSDXC
Super AMOLED
60Hz
16 million
LED flash
Only digital zoom
+27 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight

📱 Model features

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
ModelGalaxy A51 (SM-A515F/DS)Galaxy S9 (SM-G960U)
Other model namesSamsung Galaxy A51 SM-A515F/DSUnlocked Galaxy S9 G960U (Snapdragon)
Country or region available(Latin America)
(Latin America)
USA
USA
BrandSamsungSamsung
Release date12/16/2019, Announced: 12/12/20193/9/2018, Announced: 2/25/2018
Depth7.9 millimeters (0.31 inches)8.5 millimeters (0.33 inches)
Size (width x height)73.6 x 158.5 millimeters (2.9 x 6.24 in)68.7 x 147.7 millimeters (2.7 x 5.81 in)
Weight172 grams (6.02 ounces)163 grams (5.71 ounces)
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

🤖 Operating System

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
System versionAndroid 10Android 8.0 Oreo
Firmware updateAndroid 11Android 11
User Interfacefeature not registeredOne UI 2.5 / 3.1

⚙️ Processor

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
Chipset64bit - Samsung Exynos 9611 (10nm)64bit - Qualcomm Snapdragon 845 (SDM845) (10nm)
CPUOcta-Core, 2 processors:
2.3GHz Quad-Core ARM Cortex-A73
1.7GHz Quad-Core ARM Cortex-A53
Octa-Core, 2 processors:
2.8GHz Quad-Core Kryo 385 Gold
1.7GHz Quad-Core Kryo 385 Silver
GPU graphical controllerARM Mali-G72 MP3 (850MHz)Qualcomm Adreno 630 (710MHz)
Performance (benchmark)AnTuTu: 113051 (v7), 175363 (v8)
Geekbench: 5401 (v4.4), 1294 (v5.1)
GFXBench: 5.6fps (ES 3.1 onscreen)
AnTuTu: 273972 (v8)
Geekbench: 8830 (v4.4)
GFXBench: 14fps (ES 3.1 onscreen)

💽 Memory and storage

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
RAM memory4GB LPDDR4X4GB LPDDR4X
Internal storage128GB (107GB available)
eMMC 5.1
64GB (51GB available)
UFS 2.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📲 Display

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
Display typeSuper AMOLEDSuper AMOLED
Screen size6.5" inches5.8" inches
Screen-to-body ratio~87.4% (screen-to-body ratio)~84.1% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1440x2960 pixels (18.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)405 PPI568 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 5
Display features60Hz60Hz
HDR10
Always-On Display

📶 Mobile networks

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum download/upload600/150 Mbps1200/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
VoLTE
LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 29, 30)
TD-LTE (38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported

📷 Camera

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
Back camera (main camera)(quad camera)
48 megapixels
12MP ultrawidef/2.213mm1.12µm
5MP telephotof/2.440mm
5MP depthf/2.21/5.0"1.12µm
12.2 megapixels
Main camera resolution8000x6000 pixels4032x3024 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 60 fps
FlashLED flashLED flash
Focal aperturef/2.0 (aperture)f/1.5 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2" inches1/2.55" inches
Pixel size0.8µm pixel1.4µm pixel
AutofocusPDAF: phase detection autofocusPDAF on back camera and autofocus front camera
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS: Optical stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo/video on both cameras
Camera extrasfeature not registered1080p@240fps
720p@960fps

📸 Front camera

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
Front camera (secondary)32 megapixels8 megapixels
Front camera resolution6528x4896 pixels3264x2448 pixels
Video recording (secondary)4K UHD (3840x2160)2K UHD (2560x1440)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/1.7 (aperture)
Focal length26mm lens25mm lens
Sensor size1/2.8" inches1/3.6" inches
Pixel size0.8µm pixel1.22µm pixel

🔉 Sound and multimedia

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
LoudspeakerSupportedStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)FM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, DivX, XviD
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, eAAC+, FLAC

🔌 Connectivity

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 3.1 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
SensorsAccelerometer
Ambient Light sensor
ANT+
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Virtual proximity sensor
Accelerometer
Ambient Light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Hall effect
Heart rate
Iris scanner
Proximity sensor
SpO2
Vibrating alertSupportedSupported

🔋 Battery

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
Battery typeLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity4000 mAh3000 mAh
Charger, watts15W Fast battery charging15W (9V/1.67A) Fast battery charging
Qi wireless charging (Qi/PMA)
Quick Charge 2
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous- Colors: Prism, Crush Black, White, Blue, Pink
- One UI 2/3.1
- Always On Display
- Colors: Black, Silver, Blue, Gold, Orchid Gray
- Samsung DeX
- Curved edge screen
- Corning Gorilla Glass 5 back panel
- Samsung Gear VR compatible
- Samsung Pay

☢️ Radiation rate

Samsung Galaxy A51 (SM-A515F/DS)Samsung Galaxy S9 (SM-G960U)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.63W/kg (head), 1.59W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.369W/kg (head), 1.59W/kg (body)feature not registered
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