Samsung Galaxy J3 (2017) vs. Samsung Galaxy A12

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy J3 (2017) and Samsung Galaxy A12. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Samsung Galaxy J3 (2017) vs. Samsung Galaxy A12 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy J3 (2017) Samsung Galaxy A12
Product Type Smartphone Smartphone
Manufacturer Model Number SM-J330FN SM-A127F/DSN
Form Factor Touch Touch
Height 143.2 mm 164 mm Samsung Galaxy A12 has greater height than Samsung Galaxy J3 (2017).
Width 70.3 mm 75.8 mm Samsung Galaxy A12 has greater width than Samsung Galaxy J3 (2017).
Depth 8.2 mm 8.9 mm Samsung Galaxy J3 (2017) is narrower than Samsung Galaxy J3 (2017).
Weight 142 g 205 g Samsung Galaxy J3 (2017) is lighter than Samsung Galaxy J3 (2017).
Body Colour Gold | Blue | Black Black | Blue
Body Material Metal -
Waterproof (Water-resistant) - -
Repairability Index - 8.3 (out of 10)
SAR Value 1.32 W/kg (body), 0.658 W/kg (head) 0.419 W/kg (head), 1.513 W/kg (body)
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Samsung Galaxy J3 (2017) Samsung Galaxy A12
Display Type LCD display LCD display
Display Technology PLS PLS TFT
Screen Size (Display Size) 5" 6.5" Samsung Galaxy A12 has larger screen size than Samsung Galaxy J3 (2017).
Screen Resolution (Display Resolution) 1280 x 720 pixels 1600 x 720 pixels Samsung Galaxy A12 has better screen resolution than Samsung Galaxy J3 (2017).
Display Format HD HD+
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features 2.5D Glass Infinity V Display
PROCESSOR Samsung Galaxy J3 (2017) Samsung Galaxy A12
Processor Type (CPU) Samsung Exynos 7570 -
Clock Speed 1.4 GHz 2 GHz Samsung Galaxy A12 has higher clock speed than Samsung Galaxy J3 (2017).
Processor Core Qty Quad-core 8-core Samsung Galaxy A12 has higher processor core quantity than Samsung Galaxy J3 (2017).
MEMORY Samsung Galaxy J3 (2017) Samsung Galaxy A12
RAM 2 GB 3 GB Samsung Galaxy A12 has more RAM than Samsung Galaxy J3 (2017).
Internal Memory Size (Storage Capacity) 16 GB 32 GB Samsung Galaxy A12 has more internal memory than Samsung Galaxy J3 (2017).
User Memory 10.5 GB 19.5 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy J3 (2017) Samsung Galaxy A12
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 13 Megapixel 48 Megapixel Samsung Galaxy A12 has better camera resolution than Samsung Galaxy J3 (2017).
Lens Aperture F/1.9 F/2.0 Samsung Galaxy J3 (2017) has better lens aperture than Samsung Galaxy J3 (2017).
Focus Adjustment Automatic Automatic
Digital Zoom - 10x
Light Source LED light LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps
SECOND CAMERA
Sensor Resolution (2nd Camera) - 5 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Depth camera
Camera Features (4th Camera) - Live Focus
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 8 Megapixel Samsung Galaxy A12 has better front camera resolution than Samsung Galaxy J3 (2017).
Lens Aperture (Front) F/2.2 F/2.2 Both phones have the same front camera lens aperture.
Camera Features (Front) - Live Focus
BATTERY AND CHARGING Samsung Galaxy J3 (2017) Samsung Galaxy A12
Battery Capacity (Battery Size) 2400 mAh 5000 mAh Samsung Galaxy A12 has larger battery capacity than Samsung Galaxy J3 (2017).
Fast Charging Technology - Adaptive Fast Charging Samsung Galaxy A12 has fast charging technology.
Talk Time 900 minutes 3420 minutes Samsung Galaxy A12 has longer battery life when making calls than Samsung Galaxy J3 (2017).
Run Time Details Playback (Music): up to 61 hrs
Continuous browsing (3G): up to 12 hrs
Playback (video): up to 14 hrs
Continuous browsing (4G): up to 14 hrs
Talk (3G): up to 900 min
Continuous browsing (Wi-Fi): up to 14 hrs
Talk: up to 3420 min
Active online usage (LTE): up to 20 hrs
Active online usage (Wi-Fi): up to 20 hrs
Playback (video): up to 19 hrs
Playback (audio): up to 104 hrs
CELLULAR Samsung Galaxy J3 (2017) Samsung Galaxy A12
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Google Android -
Navigation GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy J3 (2017) Samsung Galaxy A12
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 17, Band 20, Band 38, Band 40 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700b, FDD 800 DD, TDD 2600, TDD 2300 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11b/g/n IEEE 802.11b/g/n
Bluetooth Bluetooth 4.2 Bluetooth 5.0
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy J3 (2017) Samsung Galaxy A12
Supported Digital Audio Standards WMA, MP3, FLAC, OGG, MP4 WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards VC-1, MPEG-4, H.264, H.263, MP43, VP8, VP9, H.265, WMV7 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES Samsung Galaxy J3 (2017) Samsung Galaxy A12
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor Accelerometer
Security Devices - Fingerprint reader
Additional Phone Features Dual Messenger Samsung KNOX, Samsung Smart Switch, Virtual Light Sensing, Virtual Proximity Sensing
OTHERS Samsung Galaxy J3 (2017) Samsung Galaxy A12
Included Accessories Power adapter -
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