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Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) vs Samsung Galaxy S8 Plus (SM-G955A)

Side by side comparison between Samsung Galaxy M31 vs Samsung Galaxy S8 Plus phones, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy S8 Plus XSamsung Galaxy M31 (SM-M315F/DS 128GB/6GB)11Points
Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

64bit Octa

6000
mAh

(Non removable)

vs
22PointsSamsung Galaxy S8 Plus (SM-G955A)Compare Samsung Galaxy M31 X
Samsung Galaxy S8 Plus (SM-G955A)
6.2"
AMOLED

1440x2960

12.2
MP

8mp

4GB
RAM

64bit Octa

3500
mAh

(Non removable)

What's the better phone? Samsung Galaxy S8 Plus (SM-G955A)

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 M31 (SM-M315F/DS 128GB/6GB)11 Advantages Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)vsGalaxy S8 Plus (SM-G955A)22 Advantages Samsung Galaxy S8 Plus (SM-G955A)
+6GB LPDDR4X50%
More RAM memory. Typically more responsive and better for multitasking.
vs4GB LPDDR4
+128GB (108GB available)112%
More internal storage for applications and files
vs64GB (51GB available)
+UFS 2.1Advantage
Fastest write and read storage.
vsUFS 2.0
+6.4"3%
Larger screen
vs6.2"
+(quad camera) 64MP + 8MP + 5MP + 5MP6 times
Higher resolution main camera
vs(back) 12.2MP
+1/1.72" inches48%
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)
+Android 11Advantage
Android 11 is newer and safer
vsAndroid 9.0 Pie
+6000 mAh71%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3500 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+2.35Ghz 64bit Octa-Core12%
More powerful processor, you can open your applications faster
191 grams (6.69 ounces)vs+173 grams (6.06 ounces)10%
Lighter
8.9 millimeters (0.35 inches)vs+8.1 millimeters (0.32 inches)10%
Thinner
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
Not supportedvs+HDR10Advantage
The HDR10 display provides vibrant colors and more details
1080x2340 pixelsvs+1440x2960 pixels69%
Higher resolution screen
403 PPIvs+531 PPI32%
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/1.8 (aperture)vs+f/1.7 (aperture)6%
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) 1024 Mbps71%
Faster for surfing the internet and download files
Not supportedvs+Proximity sensorAdvantage
Sensors help you use the device
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+Iris scannerAdvantage
Sensors help you use the device
Not supportedvs+Heart rateAdvantage
Sensors help you use the device
Not supportedvs+SpO2Advantage
Sensors help you use the device
Not supportedvs+ANT+Advantage
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

31 Common items in both devices
Until 1TB microSD, microSDXC
Super AMOLED
60Hz
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus / PDAF on back camera and autofocus front camera
+24 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 M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
ModelGalaxy M31 (SM-M315F/DS 128GB/6GB)Galaxy S8 Plus (SM-G955A)
Other model namesGalaxy M315F/Dual-Sim (128GB + 6GB RAM)AT&T Galaxy S8+ G955A (Snapdragon), Samsung Dream 2
Country or region available(Latin America)(Global, International)PhilippinesIndiaIndonesiaMalaysia
(Latin America), (Global, International), Philippines, India, Indonesia, Malaysia
USA
USA
BrandSamsungSamsung
Release dateMarch, 2020April, 2017
Depth8.9 millimeters (0.35 inches)8.1 millimeters (0.32 inches)
Size (width x height)75.1 x 159.2 millimeters (2.96 x 6.27 in)73.4 x 160 millimeters (2.89 x 6.3 in)
Weight191 grams (6.69 ounces)173 grams (6.06 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedIP68 certified: dust proof and waterproof over 1.5 meter and 30min
System (OS)Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
Operating systemAndroid 10Android 7.0 Nougat
Firmware updateAndroid 11Android 9.0 Pie
HardwareSamsung Galaxy M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
Chipset64bit - Samsung Exynos 9 Octa 9611 (10nm)64bit - Qualcomm Snapdragon 835 MSM8998 (10nm)
CPU processorOcta-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A73
1.7Ghz Quad-Core ARM Cortex-A53
Octa-Core, 2 processors:
2.35Ghz Quad-Core Kryo
1.9Ghz Quad-Core Kryo
GPU graphical controllerARM Mali-G72 MP3Qualcomm Adreno 540
RAM memory6GB LPDDR4X4GB LPDDR4
Internal storage128GB (108GB available)
UFS 2.1
64GB (51GB available)
UFS 2.0
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
Display typeSuper AMOLEDSuper AMOLED
Screen size6.4" inches6.2" inches
Screen-to-body ratio~84.1% (screen-to-body ratio)~83.1% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)1440x2960 pixels (18.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)403 PPI531 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 5
Display features60Hz, 420 nits60Hz, HDR10
Mobile networksSamsung Galaxy M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
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 Mbps1024/150 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 850/900/1700/1900/2100TD-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)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat16 (1,2,3,4,5,7,8,12,18,19,20,28,29,30)
TD-LTE (38,39,40,41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, 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
CallingSamsung Galaxy M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
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 M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
Back camera (main camera)(quad camera)
64 megapixels
8MP ultrawidef/2.212mm1/4.0"1.12µm
5MP macrof/2.425mm1/5.0"1.12µm
5MP depthf/2.2
12.2 megapixels
Main camera resolution10120x6328 pixels4032x3024 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.7 (aperture)
Focal length26mm lens26mm lens
Sensor size1/1.72" 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
2ª cameraSamsung Galaxy M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
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/2.0 (aperture)f/1.7 (aperture)
Focal length26mm lens25mm lens
Sensor size1/2.8" inches1/3.6" inches
Pixel size0.8µm pixel1.22µm pixel
MultimediaSamsung Galaxy M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
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
ConnectivitySamsung Galaxy M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 3.1 Type-C, USB OTG On-The-Go
TV outputNot supportedUSB Type-C (reversible)
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 supportedSupported
NFCNot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Barometer
Iris scanner
Heart rate
SpO2
Hall effect
Face unlock
Fingerprint sensor (rear-mounted)
ANT+
Other features- Colors: Ocean Blue, Space Black, Red
- One UI 2.0, 3.1
- WiFi direct, hotspot
- Colors: Black, Silver, Blue, Gold, Orchid Gray
- Samsung DeX (desktop experience)
- Curved edge screen
- Corning Gorilla Glass 5 back panel
- Samsung Gear VR compatible
- Samsung Pay
- 32bit/192kHz audio
- WiFi direct, hotspot
Power supplySamsung Galaxy M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
BatteryLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity6000 mAh3500 mAh
Charger, watts15W Fast battery charging15W (9V/1.67A) Fast battery charging
Qi wireless charging (Qi/PMA)
Quick Charge 2
Talk time autonomyfeature not registered2040 minutes | 34 hours | 1.4 days
Standbyfeature not registered20580 minutes | 343 hours | 14.3 days
Radiation rateSamsung Galaxy M31 (SM-M315F/DS 128GB/6GB)Samsung Galaxy S8 Plus (SM-G955A)
SAR 1.6W/kg (USA, Mexico, etc.)0.52W/kg (head) | 0.69W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.482W/kg (head) | 1.127W/kg (body)feature not registered
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