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Samsung Galaxy M51 (SM-M515F/DSN) vs Samsung Galaxy A51 (SM-A515F/DS)

Side by side comparison between Samsung Galaxy M51 vs Samsung Galaxy A51 phones, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy A51 XSamsung Galaxy M51 (SM-M515F/DSN)09Points
Samsung Galaxy M51 (SM-M515F/DSN)
6.7"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

64bit Octa

7000
mAh

(Non removable)

vs
07PointsSamsung Galaxy A51 (SM-A515F/DS)Compare Samsung Galaxy M51 X
Samsung Galaxy A51 (SM-A515F/DS)
6.5"
AMOLED

1080x2400

48
MP

32mp

4GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M51 (SM-M515F/DSN)

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 M51 (SM-M515F/DSN)9 Advantages Samsung Galaxy M51 (SM-M515F/DSN)vsGalaxy A51 (SM-A515F/DS)7 Advantages Samsung Galaxy A51 (SM-A515F/DS)
+2.2Ghz 64bit Octa-Core16%
More powerful processor, you can open your applications faster
vs2.3Ghz 64bit Octa-Core
+6GB LPDDR4X50%
More RAM memory. Typically more responsive and better for multitasking.
vs4GB LPDDR4X
+6.7"3%
Larger screen
vs6.5"
+(quad camera) 64MP + 12MP + 5MP + 5MP23%
Higher resolution main camera
vs(quad camera) 48MP + 12MP + 5MP + 5MP
+1/1.73" inches16%
The larger sensor camera lets you take photos with better depth.
vs1/2" inches
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+7000 mAh75%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+25W67%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
vs15W
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
213 grams (7.46 ounces)vs+172 grams (6.02 ounces)24%
Lighter
9.5 millimeters (0.37 inches)vs+7.9 millimeters (0.31 inches)20%
Thinner
1080x2340 pixelsvs+1080x2400 pixels3%
Higher resolution screen
385 PPIvs+405 PPI5%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
(4G+ LTE-A) 400 Mbpsvs+(4G+ LTE-A) 600 Mbps50%
Faster for surfing the internet and download files
Not supportedvs+ANT+Advantage
Sensors help you use the device

39 Common items in both devices
128GB (106GB available) / 128GB (107GB available)
eMMC 5.1
Until 1TB microSD, microSDXC
Plastic body, glass front
Super AMOLED Plus / Super AMOLED
60Hz
16 million
+32 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
Physical featuresSamsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
ModelGalaxy M51 (SM-M515F/DSN)Galaxy A51 (SM-A515F/DS)
Other model namesSamsung Galaxy M51 SM-M515F/DSN (6GB RAM)Samsung Galaxy A51 SM-A515F/DS
Country or region available(Europe)(Global, International)
(Europe), (Global, International)
(Latin America)
(Latin America)
BrandSamsungSamsung
Release dateSeptember, 2020December, 2019
Depth9.5 millimeters (0.37 inches)7.9 millimeters (0.31 inches)
Size (width x height)76.3 x 163.9 millimeters (3 x 6.45 in)73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight213 grams (7.46 ounces)172 grams (6.02 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported
System (OS)Samsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
Operating systemAndroid 10Android 10
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
Chipset64bit - Qualcomm Snapdragon 730G SDM730 (8nm)64bit - Samsung Exynos 9 Octa 9611 (10nm)
CPU processorOcta-Core, 2 processors:
2.2Ghz Dual-Core Kryo 470 Gold
1.8Ghz Hexa-Core Kryo 470 Silver
Octa-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A73
1.7Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerQualcomm Adreno 618 700MhzARM Mali-G72 MP3
RAM memory6GB LPDDR4X4GB LPDDR4X
Internal storage128GB (106GB available)
eMMC 5.1
128GB (107GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
Display typeSuper AMOLED PlusSuper AMOLED
Screen size6.7" inches6.5" inches
Screen-to-body ratio~88.1% (screen-to-body ratio)~87.4% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)385 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 3
Display features60Hz60Hz
Mobile networksSamsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload400/50 Mbps600/150 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 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
CallingSamsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
CameraSamsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
Back camera (main camera)(quad camera)
64 megapixels
12MP ultrawidef/2.2123º
5MP macrof/2.4
5MP depthf/2.4
(quad camera)
48 megapixels
12MP ultrawidef/2.213mm1.12µm
5MP telephotof/2.440mm
5MP depthf/2.21/5.0"1.12µm
Main camera resolution10120x6328 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
Sensor size1/1.73" inches1/2" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
2ª cameraSamsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
Front camera (secondary)32 megapixels32 megapixels
Front camera resolution6528x4896 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.2 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.8" inches1/2.8" inches
Pixel size0.8µm pixel0.8µm pixel
MultimediaSamsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
USBUSB 2.0 Type-C reversible connectorUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (side-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Other features- Colors: Celestial Black, Electric Blue
- One UI 2.1
- WiFi direct, hotspot
- Colors: Prism, Crush Black, White, Blue, Pink
- One UI 2
- Always On Display
- WiFi direct, hotspot
Power supplySamsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity7000 mAh4000 mAh
Charger, watts25W Fast battery charging
Reverse charging USB between devices
15W Fast battery charging
Talk time autonomy3840 minutes | 64 hours | 2.7 daysfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy M51 (SM-M515F/DSN)Samsung Galaxy A51 (SM-A515F/DS)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.609W/kg (head) | 1.446W/kg (body)0.369W/kg (head) | 1.59W/kg (body)
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