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Samsung Galaxy A21s (SM-A217F/DS 64GB/4GB) vs Samsung Galaxy M51 (SM-M515F/DSN)

Side by side comparison between Samsung Galaxy A21s vs Samsung Galaxy M51 phones, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy M51 XSamsung Galaxy A21s (SM-A217F/DS 64GB/4GB)02Points
Samsung Galaxy A21s (SM-A217F/DS 64GB/4GB)
6.5"
PLS

720x1600

48
MP

13mp

4GB
RAM

64bit Octa

5000
mAh

(Non removable)

vs
18PointsSamsung Galaxy M51 (SM-M515F/DSN)Compare Samsung Galaxy A21s X
Samsung Galaxy M51 (SM-M515F/DSN)
6.7"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

64bit Octa

7000
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 A21s (SM-A217F/DS 64GB/4GB)2 Advantages Samsung Galaxy A21s (SM-A217F/DS 64GB/4GB)vsGalaxy M51 (SM-M515F/DSN)18 Advantages Samsung Galaxy M51 (SM-M515F/DSN)
+192 grams (6.72 ounces)11%
Lighter
vs213 grams (7.46 ounces)
+8.9 millimeters (0.35 inches)7%
Thinner
vs9.5 millimeters (0.37 inches)
4GB LPDDR4Xvs+6GB LPDDR4X50%
More RAM memory. Typically more responsive and better for multitasking.
64GB (48GB available)vs+128GB (106GB available)121%
More internal storage for applications and files
TFT PLSvs+Super AMOLED PlusAdvantage
Super AMOLED Plus display is brighter and more vivid
720x1600 pixelsvs+1080x2340 pixels119%
Higher resolution screen
270 PPIvs+385 PPI43%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.5"vs+6.7"3%
Larger screen
(quad camera) 48MP + 8MP + 2MP + 2MPvs+(quad camera) 64MP + 12MP + 5MP + 5MP43%
Higher resolution main camera
1/2" inchesvs+1/1.73" inches16%
The larger sensor camera lets you take photos with better depth.
f/2.0 (aperture)vs+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 13MPvs+(front) 32MP150%
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
Android 10vs+Android 11Advantage
Android 11 is newer and safer
(4G+ LTE-A) 300 Mbpsvs+(4G+ LTE-A) 400 Mbps33%
Faster for surfing the internet and download files
Not supportedvs+Ambient Light sensorAdvantage
Sensors help you use the device
5000 mAhvs+7000 mAh40%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15Wvs+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.
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
Not supportedvs+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys

34 Common items in both devices
2Ghz 64bit Octa-Core
eMMC 5.1
Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC
Plastic body, glass front
60Hz
16 million
LED flash
+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
Physical featuresSamsung Galaxy A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
ModelGalaxy A21s (SM-A217F/DS 64GB/4GB)Galaxy M51 (SM-M515F/DSN)
Other model namesGalaxy A21s SM-A217F/Dual-Sim (64GB + 4GB RAM)Samsung Galaxy M51 SM-M515F/DSN (6GB RAM)
Country or region available(Global, International)AngolaSaudi ArabiaEgyptIndiaMoroccoMozambiquePakistan
(Global, International), Angola, Saudi Arabia, Egypt, India, Morocco, Mozambique, Pakistan
(Europe)(Global, International)
(Europe), (Global, International)
BrandSamsungSamsung
Release dateJune, 2020September, 2020
Depth8.9 millimeters (0.35 inches)9.5 millimeters (0.37 inches)
Size (width x height)75.3 x 163.7 millimeters (2.96 x 6.44 in)76.3 x 163.9 millimeters (3 x 6.45 in)
Weight192 grams (6.72 ounces)213 grams (7.46 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 A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
Operating systemAndroid 10Android 10
Firmware updatefeature not registeredAndroid 11
HardwareSamsung Galaxy A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
Chipset64bit - Samsung Exynos 850 Octa (8nm)64bit - Qualcomm Snapdragon 730G SDM730 (8nm)
CPU processorOcta-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A55
2Ghz Quad-Core ARM Cortex-A55
Octa-Core, 2 processors:
2.2Ghz Dual-Core Kryo 470 Gold
1.8Ghz Hexa-Core Kryo 470 Silver
GPU graphical controllerARM Mali-G52 MP1Qualcomm Adreno 618 700Mhz
RAM memory4GB LPDDR4X6GB LPDDR4X
Internal storage64GB (48GB available)
eMMC 5.1
128GB (106GB available)
eMMC 5.1
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
Display typeTFT PLSSuper AMOLED Plus
Screen size6.5" inches6.7" inches
Screen-to-body ratio~82.8% (screen-to-body ratio)~88.1% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1080x2340 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)270 PPI385 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 3
Display features60Hz60Hz
Mobile networksSamsung Galaxy A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
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/upload300/150 Mbps400/50 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 850/900/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, 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 A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
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, Voice commands
CameraSamsung Galaxy A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
Back camera (main camera)(quad camera)
48 megapixels
8MP ultrawidef/2.21/4"1.12µm123º
2MP macrof/2.4
2MP depthf/2.4
(quad camera)
64 megapixels
12MP ultrawidef/2.2123º
5MP macrof/2.4
5MP depthf/2.4
Main camera resolution8000x6000 pixels10120x6328 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/2.0 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2" inches1/1.73" 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 A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
Front camera (secondary)13 megapixels32 megapixels
Front camera resolution4128x3096 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal lengthfeature not registered26mm lens
Sensor size1/3.1" inches1/2.8" inches
Pixel size1.12µm pixel0.8µm pixel
MultimediaSamsung Galaxy A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
RadioFMFM
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 A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
USBUSB 2.0 Type-C reversible connectorUSB 2.0 Type-C reversible connector
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
NFCNot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (side-mounted)
Other features- Colors: Black, White, Blue, Red
- One UI 2.0
- WiFi direct, hotspot
- Colors: Celestial Black, Electric Blue
- One UI 2.1, 3.1
- WiFi direct, hotspot
Power supplySamsung Galaxy A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity5000 mAh7000 mAh
Charger, watts15W (9V/1.67A) Fast battery charging25W Fast battery charging
Reverse charging USB between devices
Talk time autonomyfeature not registered3840 minutes | 64 hours | 2.7 days
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy A21s (SM-A217F/DS 64GB/4GB)Samsung Galaxy M51 (SM-M515F/DSN)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.422W/kg (head) | 1.544W/kg (body)0.609W/kg (head) | 1.446W/kg (body)
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