Samsung Galaxy J8 (SM-J810F/DS 32GB) vs Samsung Galaxy M31 (SM-M315F/DSN 64GB)

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Side by side comparison between Samsung Galaxy J8 vs Samsung Galaxy M31 phones, differences, pros, cons and full specifications. What's the better?

3/22/2020 1:25 PM, updated: 2/27/2023 5:56 PM

Compare Samsung Galaxy M31 X Samsung Galaxy J8 (SM-J810F/DS 32GB) 05Points

Specifications Compare Models Pictures

6"
AMOLED

720x1480

16
MP

16mp

3GB
RAM

Octa-core

3500
mAh

(Non removable)

24Points Samsung Galaxy M31 (SM-M315F/DSN 64GB) Compare Samsung Galaxy J8 X

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

Octa-core

6000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M31 (SM-M315F/DSN 64GB)

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!

5 Advantages Samsung Galaxy J8 (SM-J810F/DS 32GB)	vs	24 Advantages Samsung Galaxy M31 (SM-M315F/DSN 64GB)
+177 grams (6.2 ounces)8% Lighter	vs	191 grams (6.69 ounces)
+8.2 millimeters (0.32 inches)9% Thinner	vs	8.9 millimeters (0.35 inches)
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+f/1.7 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.8 (aperture)
+Proximity sensorAdvantage Sensors help you use the device	vs	Not supported
1.8GHz 64bit Octa-core (14nm)	vs	+2.3GHz 64bit Octa-core (10nm)9% More powerful processor, you can open your applications faster
3GB LPDDR3	vs	+6GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
32GB (21GB available)	vs	+64GB (49GB available)133% More internal storage for applications and files
eMMC 5.1	vs	+UFS 2.1Advantage Fastest write and read storage.
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
720x1480 pixels	vs	+1080x2340 pixels137% Higher resolution screen
274 PPI	vs	+403 PPI47% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6"	vs	+6.4"7% Larger screen
(dual camera) 16MP + 5MP	vs	+(quad camera) 64MP + 8MP + 5MP + 5MP3 times Higher resolution main camera
(front) 16MP	vs	+(front) 32MP101% 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
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 10	vs	+Android 11Advantage Android 11 is newer and safer
(4G LTE-A) 300 Mbps	vs	+(4G LTE-A) 600 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+Ambient light sensorAdvantage Sensors help you use the device
Not supported	vs	+CompassAdvantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
3500 mAh	vs	+6000 mAh71% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
7.75W	vs	+15W94% 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.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys

21 Common items in both devices

Plastic body, glass front

Super AMOLED

60Hz

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

+14 specs and more in the table below

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

Highlight differences

📱 Model features
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
Change model		Choose the model
Model	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
Other model names	Galaxy J8 J810F/Dual-SIM (3GB RAM), SM-J810FZDDXSG	Galaxy M315F/Dual-Sim NFC (64GB + 6GB RAM)
Country or region available	(Global, International), Saudi Arabia, Egypt, United Arab Emirates, Israel, Morocco, Pakistan	(Europe)
Brand	Samsung	Samsung
Release date	6/28/2018, Announced: 5/31/2018	3/5/2020, Announced: 2/25/2020
Depth	8.2 millimeters (0.32 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	75.7 x 159.2 millimeters (2.98 x 6.27 in)	75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight	177 grams (6.2 ounces)	191 grams (6.69 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
Display type	Super AMOLED	Super AMOLED
Screen size	6" inches	6.4" inches
Screen-to-body ratio	~75.8% (screen-to-body ratio)	~84.1% (screen-to-body ratio)
Display resolution	720x1480 pixels (18.5:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	274 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	Not supported	420nits[peak]
🤖 Operating System
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
System version	Android 8.0 Oreo	Android 10
Firmware update	Android 10	Android 11
User Interface	One UI 2.0	feature not registered
⚙️ Processor
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
Chipset	64bit: Qualcomm Snapdragon 450 (SDM450) (14nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 1 processor: 8x 1.8GHz ARM Cortex-A53 (Octa-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 506 (600MHz)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
RAM memory	3GB LPDDR3	6GB LPDDR4X
Internal storage	32GB (21GB available) eMMC 5.1	64GB (49GB available) UFS 2.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	600/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40)	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 network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1900/2100	Not supported
Secondary 4G network	LTE Cat6 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40)	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE
📷 Camera
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
Back camera (main camera)	(dual camera) 16 megapixels 5MP depth f/1.9	(quad camera) 64 megapixels 8MP ultrawide f/2.212mm1/4.0"1.12µm 5MP macro f/2.425mm1/5.0"1.12µm 5MP depth f/2.2
Main camera resolution	4608x3456 pixels	10120x6328 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/1.7 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/1.72" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
Front camera (secondary)	16 megapixels	32 megapixels
Front camera resolution	4608x3456 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	LED	Not supported
Focal aperture	f/1.9 (aperture)	f/2.0 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/3.06" inches	1/2.8" inches
Pixel size	1µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	FM (RDS)	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
Sensors	Accelerometer Face unlock Fingerprint sensor (rear-mounted) Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3500 mAh	6000 mAh
Charger, watts	7.75W (5V/1.55A) Wired charging	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	23 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, Gold, Blue, Lavender, Purple	• Colors: Ocean Blue, Space Black, Red • One UI 2.0, 3.1
☢️ Radiation rate
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy M31 (SM-M315F/DSN 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.574W/kg (head), 1.176W/kg (body)	0.482W/kg (head), 1.127W/kg (body)