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Samsung Galaxy Express 3 (SM-J120A) vs Samsung Galaxy M12 (SM-M127G/DS 128GB)

Side by side comparison between Samsung Galaxy Express 3 vs Samsung Galaxy M12 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy M12 X Samsung Galaxy Express 3 (SM-J120A) 05Points
4.5"
AMOLED

480x800

5
MP

2mp

1GB
RAM

Quad-core

2050
mAh

(Removable)

vs
22Points Samsung Galaxy M12 (SM-M127G/DS 128GB) Compare Samsung Galaxy Express 3 X
6.5"
PLS

720x1600

48
MP

8mp

6GB
RAM

Octa-core

6000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M12 (SM-M127G/DS 128GB)

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 Express 3 (SM-J120A)} 5 Advantages Samsung Galaxy Express 3 (SM-J120A) vs Galaxy M12 (SM-M127G/DS 128GB)} 22 Advantages Samsung Galaxy M12 (SM-M127G/DS 128GB)
+131 grams (4.59 ounces)69%
Lighter
vs221 grams (7.74 ounces)
+8.9 millimeters (0.35 inches)9%
Thinner
vs9.7 millimeters (0.38 inches)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT PLS
+Proximity sensorAdvantage
Sensors help you use the device
vsVirtual proximity sensor
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
1.3GHz 32bit Quad-corevs+2GHz 64bit Octa-core (8nm)135%
More powerful processor, you can open your applications faster
1GBvs+6GB LPDDR4X5 times
More RAM memory. Typically more responsive and better for multitasking.
8GB (4GB available)vs+128GB (106GB available)26 times
More internal storage for applications and files
Until 256GB microSD, microSDXCvs+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
480x800 pixelsvs+720x1600 pixels2 times
Higher resolution screen
207 PPIvs+270 PPI30%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"vs+6.5"44%
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+Virtual ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (side-mounted)Advantage
Sensors help you use the device
2050 mAhvs+6000 mAh193%
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
You can have more mobile carriers/operators on the same device.
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

16 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
+9 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 Clear highlight

๐Ÿ“ฑ Model features

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
Change model 
ModelGalaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
Other model namesAT&T Samsung Galaxy J1 4G, Galaxy Express 3 GoPhoneGalaxy M12 SM-M127G/Dual-SIM (6GB RAM)
Country or region availableUSA
USA
India
India
BrandSamsungSamsung
Release date4/1/20163/18/2021, Announced: 2/5/2021
Depth8.9 millimeters (0.35 inches)9.7 millimeters (0.38 inches)
Size (width x height)69.3 x 132.6 millimeters (2.73 x 5.22 in)75.9 x 164 millimeters (2.99 x 6.46 in)
Weight131 grams (4.59 ounces)221 grams (7.74 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

๐Ÿ“ฒ Display

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
Display typeSuper AMOLEDTFT PLS
Screen size4.5" inches6.5" inches
Screen-to-body ratio~62.7% (screen-to-body ratio)~81.9% (screen-to-body ratio)
Display resolution480x800 pixels720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)207 PPI270 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registered90Hz
Display featuresfeature not registeredNot supported

๐Ÿค– Operating System

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
System versionAndroid 6.0.1 MarshmallowAndroid 11
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredOne UI 3.1

โš™๏ธ Processor

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
Chipset32bit: Spreadtrum SC9830A (28nm)64bit: Samsung Exynos 850 (8nm)
CPUQuad-core, 1 processor:
4x 1.3GHz ARM Cortex-A7 (Quad-core)
Octa-core, 1 processor:
8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controllerARM Mali-400 MP2ARM Mali-G52 MP1
Performance (benchmark)feature not registeredfeature not registered

๐Ÿ’ฝ Memory and storage

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
RAM memory1GB6GB LPDDR4X
Internal storage8GB (4GB available)128GB (106GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

๐Ÿ“ถ Mobile networks

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
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, bands Expand band details Collapse 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 850/900/1900/2100UMTS 850/900/2100
Primary 4G networkLTE Cat4 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,12)LTE Cat6 (1, 3, 5, 7, 8)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, 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

๐Ÿ“ท Camera

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
Back camera (main camera)5 megapixels(quad camera)
48 megapixels
5MP ultrawide f/2.2123ยฐ
2MP macro f/2.4
2MP depth f/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 registered0.8ยตm 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
Camera extrasfeature not registeredfeature not registered

๐Ÿ“ธ Front camera

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
Front camera (secondary)2 megapixels8 megapixels
Front camera resolution1600x1200 pixels3264x2448 pixels
Video recording (secondary)VGA (640x480)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

๐Ÿ”‰ Sound and multimedia

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellationNot supportedNot supported
RadioFM (RDS)FM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

๐Ÿ”Œ Connectivity

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth4.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedNot supported
Infrared portNot supportedNot supported

๐Ÿงญ Sensors

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
SensorsAccelerometer
Proximity sensor
Accelerometer
Face unlock
Fingerprint sensor (side-mounted)
Virtual ambient light sensor
Virtual proximity sensor
Vibrating alertSupportedSupported

๐Ÿ”‹ Battery

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity2050 mAh6000 mAh
Charger, wattsWired charging15W Wired fast charging
Reverse charging by cable
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy12 hours58 hours (2.4 days)
Standby240 hours (10 days)feature not registered

โž• Other features

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneousโ€ข Colors: Whiteโ€ข Colors: Black, Blue, White

โ˜ข๏ธ Radiation rate

Galaxy Express 3 (SM-J120A)Galaxy M12 (SM-M127G/DS 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.99W/kg (head), 1.25W/kg (body)1.19W/kg (head)
SAR 2W/kg (Europe, UK, etc.)1.03W/kg (head), 0.439W/kg (body)feature not registered
X

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