Samsung Galaxy J3 Pro (SM-J330F/DS) vs Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)

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Side by side comparison between Samsung Galaxy J3 Pro vs Samsung Galaxy M31 phones, differences, pros, cons and full specifications. What's the better?

3/22/2020 2:35 PM, updated: 10/26/2021 8:15 AM

Compare Samsung Galaxy M31 X Samsung Galaxy J3 Pro (SM-J330F/DS) 05Points

Specifications Compare Models Pictures

5"
PLS

720x1280

13
MP

5mp

2GB
RAM

Quad-core

2400
mAh

(Non removable)

26Points Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) Compare Samsung Galaxy J3 Pro 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/DS 128GB/6GB)

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 J3 Pro (SM-J330F/DS)	vs	26 Advantages Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
+142 grams (4.97 ounces)35% Lighter	vs	191 grams (6.69 ounces)
+8.2 millimeters (0.32 inches)9% Thinner	vs	8.9 millimeters (0.35 inches)
+Aluminum body, glass frontAdvantage More resistant material	vs	Plastic body, glass front
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+Proximity sensorAdvantage Sensors help you use the device	vs	Not supported
1.4GHz 64bit Quad-core (14nm)	vs	+2.3GHz 64bit Octa-core (10nm)104% More powerful processor, you can open your applications faster
2GB LPDDR3	vs	+6GB LPDDR4X2 times More RAM memory. Typically more responsive and better for multitasking.
16GB (10GB available)	vs	+128GB (108GB available)10 times More internal storage for applications and files
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
TFT PLS	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
720x1280 pixels	vs	+1080x2340 pixels174% Higher resolution screen
294 PPI	vs	+403 PPI37% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5"	vs	+6.4"28% Larger screen
(back) 13MP	vs	+(quad camera) 64MP + 8MP + 5MP + 5MP5 times Higher resolution main camera
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/1.9 (aperture)	vs	+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 32MP6 times 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 7.0 Nougat	vs	+Android 11Advantage Android 11 is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 600 Mbps3 times 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	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
2400 mAh	vs	+6000 mAh150% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
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
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

19 Common items in both devices

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

4G LTE / 4G LTE-A

Capacitive

Multitouch

+12 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 J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Change model		Choose the model
Model	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Other model names	Galaxy J3 2017 SM-J330F/Dual-Sim	Galaxy M315F/Dual-Sim (128GB + 6GB RAM)
Country or region available	Saudi Arabia, Egypt, United Arab Emirates, Iran, Turkey	(Latin America), (Global, International), Philippines, India, Indonesia, Malaysia
Brand	Samsung	Samsung
Release date	7/1/2017	3/5/2020, Announced: 2/25/2020
Depth	8.2 millimeters (0.32 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	70.3 x 143.2 millimeters (2.77 x 5.64 in)	75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight	142 grams (4.97 ounces)	191 grams (6.69 ounces)
Build, materials	Aluminum body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Display type	TFT PLS	Super AMOLED
Screen size	5" inches	6.4" inches
Screen-to-body ratio	~68.5% (screen-to-body ratio)	~84.1% (screen-to-body ratio)
Display resolution	720x1280 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	294 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	feature not registered	60Hz
Display features	feature not registered	420nits[peak]
🤖 Operating System
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
System version	Android 7.0 Nougat	Android 10
Firmware update	feature not registered	Android 11
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Chipset	64bit: Samsung Exynos 7570 (14nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	ARM Mali-T720 MP1 (830MHz)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
RAM memory	2GB LPDDR3	6GB LPDDR4X
Internal storage	16GB (10GB available)	128GB (108GB available) UFS 2.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
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	150/50 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 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 (Bands 1,2,3,4,5,7,8,17,20) TD-LTE (Bands 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	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	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Back camera (main camera)	13 megapixels	(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	4128x3096 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/1.9 (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 only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Front camera (secondary)	5 megapixels	32 megapixels
Front camera resolution	2560x1920 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	LED	Not supported
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, MKV, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
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	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Sensors	Accelerometer Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2400 mAh	6000 mAh
Charger, watts	Wired charging	15W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	15 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
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, White • 2.5D curved glass screen • Samsung Knox	• Colors: Ocean Blue, Space Black, Red • One UI 2.0, 3.1
☢️ Radiation rate
	Galaxy J3 Pro (SM-J330F/DS)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.52W/kg (head), 0.69W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.658W/kg (head), 1.32W/kg (body)	0.482W/kg (head), 1.127W/kg (body)