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Samsung Galaxy S3 Slim Duos (SM-G3812B) vs Samsung Galaxy A3 Core

Side by side comparison between Samsung Galaxy S3 Slim vs Samsung Galaxy A3 Core phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy A3 Core X Samsung Galaxy S3 Slim Duos (SM-G3812B) 07Points
4.5"
TFT

540x960

5
MP

0.3mp

1GB
RAM

Quad-core

2100
mAh

(Removable)

vs
5.3"
PLS

720x1480

8
MP

5mp

1GB
RAM

Quad-core

3000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A3 Core

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 S3 Slim Duos (SM-G3812B)} 7 Advantages Samsung Galaxy S3 Slim Duos (SM-G3812B) vs Galaxy A3 Core} 17 Advantages Samsung Galaxy A3 Core
+139 grams (4.87 ounces)8%
Lighter
vs150 grams (5.25 ounces)
+HDR photo only main cameraAdvantage
The HDR technology produced photos with more detail in dark areas
vsNot supported
+Ambient Light sensorAdvantage
Sensors help you use the device
vsNot supported
+CompassAdvantage
Sensors help you use the device
vsNot supported
+Proximity sensorAdvantage
Sensors help you use the device
vsVirtual proximity sensor
+Li-Ion: Lithium-Ion (Removable)Advantage
Removable battery can be replaced easily
vsLi-Ion: Lithium-Ion (Non removable)
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
1.2GHz 32bit Quad-corevs+1.5GHz 64bit Quad-core (28nm)45%
More powerful processor, you can open your applications faster
1GB LPDDR2vs+1GB LPDDR3Advantage
This RAM type is better and more efficient.
8GB (5GB available)vs+16GB (10GB available)100%
More internal storage for applications and files
Until 32GB microSD, microSDHCvs+Until 512GB microSD, microSDXC15 times
More external storage for files using memory cards
9.7 millimeters (0.38 inches)vs+8.6 millimeters (0.34 inches)13%
Thinner
TFT LCDvs+TFT PLSAdvantage
TFT PLS display is brighter and more vivid
540x960 pixelsvs+720x1480 pixels106%
Higher resolution screen
245 PPIvs+311 PPI27%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"vs+5.3"18%
Larger screen
(back) 5MPvs+(back) 8MP59%
Higher resolution main camera
(front) 0.3MPvs+(front) 5MP15 times
Higher resolution secondary camera to take pictures and selfies
(front) VGA (640x480)vs+(front) Full HD (1920x1080)6 times
More image quality for recording videos with the secondary camera
Android 4.2.2 Jelly Beanvs+Android 11Advantage
Android 11 is newer and safer
3G+ HSPA+vs+4G LTEAdvantage
The 4G LTE network is newer and faster
(3G+ HSPA+) 21 Mbpsvs+(4G LTE) 150 Mbps6 times
Faster for surfing the internet and download files
2100 mAhvs+3000 mAh43%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster

17 Common items in both devices
Plastic body, glass front
16 million
LED flash
Only digital zoom
Autofocus
EIS: Digital stabilization
Full HD (1920x1080)
+10 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

📱 Model features

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
Change model  
ModelGalaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
Other model namesGalaxy S3 Slim G3812B, Samsung Galaxy Win ProGalaxy A3 Core SM-A013G/DS (A01 Core)
Country or region availableBrazil
Brazil
South AfricaAlgeriaMoroccoNigeriaSenegal
South Africa, Algeria, Morocco, Nigeria, Senegal
BrandSamsungSamsung
Release date3/1/20148/6/2020, Announced: 7/21/2020
Depth9.7 millimeters (0.38 inches)8.6 millimeters (0.34 inches)
Size (width x height)66 x 133 millimeters (2.6 x 5.24 in)67.5 x 141.7 millimeters (2.66 x 5.58 in)
Weight139 grams (4.87 ounces)150 grams (5.25 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
Display typeTFT LCDTFT PLS
Screen size4.5" inches5.3" inches
Screen-to-body ratio~63.6% (screen-to-body ratio)~74.5% (screen-to-body ratio)
Display resolution540x960 pixels720x1480 pixels (18.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)245 PPI311 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
System versionAndroid 4.2.2 Jelly BeanAndroid 10
Firmware updatefeature not registeredAndroid 11
User Interfacefeature not registeredAndroid Go edition
One UI 2.5 / 3.1

⚙️ Processor

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
Chipset32bit: Qualcomm Snapdragon 200 MSM8225Q64bit: MediaTek MT6739 (28nm)
CPUQuad-core, 1 processor:
4x 1.2GHz ARM Cortex-A5 (Quad-core)
Quad-core, 1 processor:
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 203PowerVR GE8100 MP1 (570MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
RAM memory1GB LPDDR21GB LPDDR3
Internal storage8GB (5GB available)16GB (10GB available)
eMMC 5.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload21/5.76 Mbps150/50 Mbps
Network technology2G, 3G2G, 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 850/1900/2100UMTS 850/900/2100
Primary 4G networkNot supportedLTE Cat4 (1, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/2100
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+

📷 Camera

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
Back camera (main camera)5 megapixels8 megapixels
Main camera resolution2592x1944 pixels3264x2448 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
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
AutofocusAutofocusAutofocus
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 cameraNot supported
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
Front camera (secondary)0.3 megapixels5 megapixels
Front camera resolution640x480 pixels2560x1920 pixels
Video recording (secondary)VGA (640x480)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.4 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellationNot supportedNot supported
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
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
DLNASupportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
SensorsAccelerometer
Ambient Light sensor
Compass
Proximity sensor
Accelerometer
Virtual proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
Battery typeLi-Ion: Lithium-Ion (Removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity2100 mAh3000 mAh
Charger, wattsWired charging5W (5V/1A) Wired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
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
Miscellaneous• Colors: Black, White
• Samsung TouchWiz UX
• Java framework
• Colors: Black, Blue, Red

☢️ Radiation rate

Galaxy S3 Slim Duos (SM-G3812B)Galaxy A3 Core
SAR 1.6W/kg (USA, Mexico, etc.)0.61W/kg (head), 1.13W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.553W/kg (head), 0.395W/kg (body)0.638W/kg (head), 1.18W/kg (body)
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