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Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM) vs Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)

Side by side comparison between Samsung Galaxy M51 vs Samsung Galaxy M31 phones, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy M31 XSamsung Galaxy M51 (SM-M515F/DSN 8GB RAM)08Points
Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM)
6.7"
AMOLED

1080x2340

64
MP

32mp

8GB
RAM

64bit Octa

7000
mAh

(Non removable)

vs
07PointsSamsung Galaxy M31 (SM-M315F/DS 128GB/6GB)Compare Samsung Galaxy M51 X
Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

64bit Octa

6000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM)

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 8GB RAM)8 Advantages Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM)vsGalaxy M31 (SM-M315F/DS 128GB/6GB)7 Advantages Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
+2.2Ghz 64bit Octa-Core16%
More powerful processor, you can open your applications faster
vs2.3Ghz 64bit Octa-Core
+8GB LPDDR4X33%
More RAM memory. Typically more responsive and better for multitasking.
vs6GB LPDDR4X
+6.7"5%
Larger screen
vs6.4"
+(quad camera) 64MP + 12MP + 5MP + 5MP5%
Higher resolution main camera
vs(quad camera) 64MP + 8MP + 5MP + 5MP
+Proximity sensorAdvantage
Sensors help you use the device
vsNot supported
+7000 mAh17%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs6000 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
eMMC 5.1vs+UFS 2.1Advantage
Fastest write and read storage.
213 grams (7.46 ounces)vs+191 grams (6.69 ounces)12%
Lighter
9.5 millimeters (0.37 inches)vs+8.9 millimeters (0.35 inches)7%
Thinner
385 PPIvs+403 PPI5%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
1/1.73" inchesvs+1/1.72" inches1%
The larger sensor camera lets you take photos with better depth.
(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

39 Common items in both devices
128GB (106GB available) / 128GB (108GB available)
Until 1TB microSD, microSDXC
Plastic body, glass front
Super AMOLED Plus / Super AMOLED
60Hz
16 million
1080x2340 pixels
+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 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
ModelGalaxy M51 (SM-M515F/DSN 8GB RAM)Galaxy M31 (SM-M315F/DS 128GB/6GB)
Other model namesSamsung Galaxy M51 SM-M515F/DSN (8GB RAM)Galaxy M315F/Dual-Sim (128GB + 6GB RAM)
Country or region availableIndiaMalaysiaTurkey
India, Malaysia, Turkey
(Latin America)(Global, International)PhilippinesIndiaIndonesiaMalaysia
(Latin America), (Global, International), Philippines, India, Indonesia, Malaysia
BrandSamsungSamsung
Release dateSeptember, 2020March, 2020
Depth9.5 millimeters (0.37 inches)8.9 millimeters (0.35 inches)
Size (width x height)76.3 x 163.9 millimeters (3 x 6.45 in)75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight213 grams (7.46 ounces)191 grams (6.69 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 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
Operating systemAndroid 10Android 10
Firmware updateAndroid 11Android 11
HardwareSamsung Galaxy M51 (SM-M515F/DSN 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
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 memory8GB LPDDR4X6GB LPDDR4X
Internal storage128GB (106GB available)
eMMC 5.1
128GB (108GB available)
UFS 2.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy M51 (SM-M515F/DSN 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
Display typeSuper AMOLED PlusSuper AMOLED
Screen size6.7" inches6.4" inches
Screen-to-body ratio~88.1% (screen-to-body ratio)~84.1% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)1080x2340 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)385 PPI403 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 3
Display features60Hz60Hz, 420 nits
Mobile networksSamsung Galaxy M51 (SM-M515F/DSN 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
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)
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 M51 (SM-M515F/DSN 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
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 M51 (SM-M515F/DSN 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
Back camera (main camera)(quad camera)
64 megapixels
12MP ultrawidef/2.2123º
5MP macrof/2.4
5MP depthf/2.4
(quad camera)
64 megapixels
8MP ultrawidef/2.212mm1/4.0"1.12µm
5MP macrof/2.425mm1/5.0"1.12µm
5MP depthf/2.2
Main camera resolution10120x6328 pixels10120x6328 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/1.73" inches1/1.72" 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 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
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/2.0 (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 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
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 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
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 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
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
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Other features- Colors: Celestial Black, Electric Blue
- One UI 2.1, 3.1
- WiFi direct, hotspot
- Colors: Ocean Blue, Space Black, Red
- One UI 2.0, 3.1
- WiFi direct, hotspot
Power supplySamsung Galaxy M51 (SM-M515F/DSN 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity7000 mAh6000 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 8GB RAM)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.52W/kg (head) | 0.69W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.609W/kg (head) | 1.446W/kg (body)0.482W/kg (head) | 1.127W/kg (body)
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