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Samsung Galaxy J3 (SM-J320R4) vs Samsung Galaxy M12 (SM-M127G/DS 64GB)

Side by side comparison between Samsung Galaxy J3 vs Samsung Galaxy M12 phones, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy M12 XSamsung Galaxy J3 (SM-J320R4)08Points
Samsung Galaxy J3 (SM-J320R4)
5"
AMOLED

720x1280

5
MP

2mp

1.5GB
RAM

32bit Quad

2600
mAh

(Removable)

vs
21PointsSamsung Galaxy M12 (SM-M127G/DS 64GB)Compare Samsung Galaxy J3 X
Samsung Galaxy M12 (SM-M127G/DS 64GB)
6.5"
PLS

720x1600

48
MP

8mp

4GB
RAM

64bit Octa

6000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M12 (SM-M127G/DS 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!

Galaxy J3 (SM-J320R4)8 Advantages Samsung Galaxy J3 (SM-J320R4)vsGalaxy M12 (SM-M127G/DS 64GB)21 Advantages Samsung Galaxy M12 (SM-M127G/DS 64GB)
+138 grams (4.83 ounces)60%
Lighter
vs221 grams (7.74 ounces)
+7.9 millimeters (0.31 inches)23%
Thinner
vs9.7 millimeters (0.38 inches)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT PLS
+294 PPI9%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs270 PPI
+Ambient Light sensorAdvantage
Sensors help you use the device
vsNot supported
+Li-Ion: Lithium-Ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: Li-Ion polymer (Non removable)
+Active noise cancellationAdvantage
Noise-canceling microphone allows better call quality
vsNot supported
+Dragontrail GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
1.2Ghz 32bit Quad-Corevs+2Ghz 64bit Octa-Core189%
More powerful processor, you can open your applications faster
1.5GB LPDDR3vs+4GB LPDDR4X167%
More RAM memory. Typically more responsive and better for multitasking.
16GB (10GB available)vs+64GB (48GB available)4 times
More internal storage for applications and files
eMMC 4.5vs+eMMC 5.1Advantage
Fastest write and read storage.
Until 256GB microSD, microSDXCvs+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
720x1280 pixelsvs+720x1600 pixels25%
Higher resolution screen
5"vs+6.5"30%
Larger screen
(back) 5MPvs+(quad camera) 48MP + 5MP + 2MP + 2MP10 times
Higher resolution main camera
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
f/2.2 (aperture)vs+f/2.0 (aperture)10%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 2MPvs+(front) 8MP3 times
Higher resolution secondary camera to take pictures and selfies
HD (1280x720)vs+Full HD (1920x1080)125%
More image quality for recording videos with the primary camera
(front) VGA (640x480)vs+(front) Full HD (1920x1080)6 times
More image quality for recording videos with the secondary camera
Android 6.0.1 Marshmallowvs+Android 11Advantage
Android 11 is newer and safer
(4G LTE) 150 Mbpsvs+(4G+ LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
Not supportedvs+Fingerprint sensor (side-mounted)Advantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
2600 mAhvs+6000 mAh131%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device
4.1 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Govs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

20 Common items in both devices
Plastic body, glass front
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
4G LTE / 4G+ LTE-A
+13 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 J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
ModelGalaxy J3 (SM-J320R4)Galaxy M12 (SM-M127G/DS 64GB)
Other model namesU.S. Cellular Galaxy J3 2016 4G J320R4Galaxy M12 SM-M127G/Dual-SIM (4GB RAM)
Country or region availableUSA
USA
India
India
BrandSamsungSamsung
Release dateJanuary, 2016February, 2021
Depth7.9 millimeters (0.31 inches)9.7 millimeters (0.38 inches)
Size (width x height)71.12 x 142.3 millimeters (2.8 x 5.6 in)75.9 x 164 millimeters (2.99 x 6.46 in)
Weight138 grams (4.83 ounces)221 grams (7.74 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 J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
Operating systemAndroid 5.1.1 LollipopAndroid 11
Firmware updateAndroid 6.0.1 Marshmallowfeature not registered
HardwareSamsung Galaxy J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
Chipset32bit - Samsung Exynos 3 Quad 3475 (28nm)64bit - Samsung Exynos 850 Octa (8nm)
CPU processor1.2Ghz Quad-Core ARM Cortex-A7Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A55
2Ghz Quad-Core ARM Cortex-A55
GPU graphical controllerARM Mali-T720 600MhzARM Mali-G52 MP1
RAM memory1.5GB LPDDR34GB LPDDR4X
Internal storage16GB (10GB available)
eMMC 4.5
64GB (48GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
Display typeSuper AMOLEDTFT PLS
Screen size5" inches6.5" inches
Screen-to-body ratio~68.1% (screen-to-body ratio)~81.9% (screen-to-body ratio)
Display resolution720x1280 pixels720x1600 pixels (20:9)
TouchscreenCapacitive Multitouch 5-pointsCapacitive Multitouch
Pixel density (dot pitch)294 PPI270 PPI
Colors16 million16 million
Scratch-resistant glassDragontrail GlassNot supported
Display featuresfeature not registered90Hz
Mobile networksSamsung Galaxy J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload150/50 Mbps300/50 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 networkCDMA 800, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
UMTS 850/900/2100
Primary 4G networkLTE Cat4 (Bands 2, 4, 5, 12, 25, 26)
TD-LTE (Bands 41)
LTE Cat6 (1, 3, 5, 7, 8)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE
CallingSamsung Galaxy J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
CameraSamsung Galaxy J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
Back camera (main camera)5 megapixels(quad camera)
48 megapixels
5MP ultrawidef/2.2123º
2MP macrof/2.4
2MP depthf/2.4
Main camera resolution2592x1944 pixels8000x6000 pixels
Video recording (primary)HD (1280x720) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/2" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusAutofocusPDAF: 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 only main cameraHDR photo on both cameras
2ª cameraSamsung Galaxy J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
Front camera (secondary)2 megapixels8 megapixels
Front camera resolution1600x1200 pixels3264x2448 pixels
Video recording (secondary)VGA (640x480)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
MultimediaSamsung Galaxy J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
RadioFM (RDS)FM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, MKV, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedUSB Type-C (reversible)
Audio output3.5mm jack3.5mm jack
Bluetooth4.1 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n (2.4Ghz)802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
NFCNot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
Active noise cancellationSupportedNot supported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Ambient Light sensor
Accelerometer
Proximity sensor
Face unlock
Fingerprint sensor (side-mounted)
Other features- Colors: Black, White, Gold
- WiFi direct, hotspot
- Colors: Black, Blue, White
- One UI 3.1
- Mono speakers
- WiFi direct, hotspot
Power supplySamsung Galaxy J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
BatteryLi-Ion: Lithium-Ion (Removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity2600 mAh6000 mAh
Charger, watts Standard charging15W Fast battery charging
Reverse charging USB between devices
Talk time autonomy1320 minutes | 22 hours | 0.9 day3480 minutes | 58 hours | 2.4 days
Standby20940 minutes | 349 hours | 14.5 daysfeature not registered
Radiation rateSamsung Galaxy J3 (SM-J320R4)Samsung Galaxy M12 (SM-M127G/DS 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.76W/kg (head) | 1.45W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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