Samsung Galaxy A3 Duos (SM-A300M/DS) vs Samsung Galaxy A12 (SM-A125F/DS 128GB/6GB)

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Side by side comparison between Samsung Galaxy A3 vs Samsung Galaxy A12 phones, differences, pros, cons and full specifications. What's the better?

2/7/2021 10:04 AM, updated: 11/22/2022 5:44 PM

Compare Samsung Galaxy A12 X Samsung Galaxy A3 Duos (SM-A300M/DS) 10Points

Specifications Compare Models Pictures

4.5"
AMOLED

540x960

8
MP

5mp

1GB
RAM

Quad-core

1900
mAh

(Non removable)

21Points Samsung Galaxy A12 (SM-A125F/DS 128GB/6GB) Compare Samsung Galaxy A3 X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

48
MP

8mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A12 (SM-A125F/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!

10 Advantages Samsung Galaxy A3 Duos (SM-A300M/DS)	vs	21 Advantages Samsung Galaxy A12 (SM-A125F/DS 128GB/6GB)
+110 grams (3.85 ounces)86% Lighter	vs	205 grams (7.18 ounces)
+6.9 millimeters (0.27 inches)29% Thinner	vs	8.9 millimeters (0.35 inches)
+Aluminum body, glass frontAdvantage More resistant material	vs	Plastic body, glass front
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT PLS
+Ambient light sensorAdvantage Sensors help you use the device	vs	Virtual ambient light sensor
+ANT+Advantage Sensors help you use the device	vs	Not supported
+CompassAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
1.2GHz 64bit Quad-core (28nm)	vs	+2.3GHz 64bit Octa-core (12nm)121% More powerful processor, you can open your applications faster
1GB LPDDR2	vs	+6GB LPDDR4X5 times More RAM memory. Typically more responsive and better for multitasking.
16GB (12GB available)	vs	+128GB (106GB available)8 times More internal storage for applications and files
eMMC 4.5	vs	+eMMC 5.1Advantage Fastest write and read storage.
Until 64GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC15 times More external storage for files using memory cards
540x960 pixels	vs	+720x1600 pixels122% Higher resolution screen
245 PPI	vs	+270 PPI10% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"	vs	+6.5"44% Larger screen
(back) 8MP	vs	+(quad camera) 48MP + 5MP + 2MP + 2MP6 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/2.4 (aperture)	vs	+f/2.0 (aperture)20% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 8MP59% Higher resolution secondary camera to take pictures and selfies
(front) WVGA (800x480)	vs	+(front) Full HD (1920x1080)4 times More image quality for recording videos with the secondary camera
Android 6.0.1 Marshmallow	vs	+Android 11Advantage Android 11 is newer and safer
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device
1900 mAh	vs	+5000 mAh163% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
3.5W	vs	+15W3 times More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
4.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0	vs	+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

60Hz

16 million

LED flash

Only digital zoom

Autofocus

EIS: Digital stabilization

Full HD (1920x1080)

+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 differences

📱 Model features
	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
Change model		Choose the model
Model	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
Other model names	Galaxy A3 (4G LTE) SM-A300M/Dual-Sim	Galaxy A12 SM-A125F/Dual-Sim (128GB + 6GB RAM)
Country or region available	Brazil	Philippines, Indonesia, Malaysia
Brand	Samsung	Samsung
Release date	11/1/2014	12/21/2020, Announced: 11/24/2020
Depth	6.9 millimeters (0.27 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	65.5 x 130.1 millimeters (2.58 x 5.12 in)	75.8 x 164 millimeters (2.98 x 6.46 in)
Weight	110 grams (3.85 ounces)	205 grams (7.18 ounces)
Build, materials	Aluminum body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
Display type	Super AMOLED	TFT PLS
Screen size	4.5" inches	6.5" inches
Screen-to-body ratio	~65.5% (screen-to-body ratio)	~82.1% (screen-to-body ratio)
Display resolution	540x960 pixels (16:9)	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	245 PPI	270 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Not supported
Refresh rate	60Hz	60Hz
Display features	Not supported	Not supported
🤖 Operating System
	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
System version	Android 4.4.4 KitKat	Android 10
Firmware update	Android 6.0.1 Marshmallow	Android 11
User Interface	TouchWiz UX	One UI 3.1
⚙️ Processor
	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
Chipset	64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm)	64bit: MediaTek Helio P35 (MT6765) (12nm)
CPU	Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 306 (400MHz)	PowerVR GE8320 MP2 (680MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
RAM memory	1GB LPDDR2	6GB LPDDR4X
Internal storage	16GB (12GB available) eMMC 4.5	128GB (106GB available) eMMC 5.1
External storage	Until 64GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD 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	150/50 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 850/900/1900/2100	UMTS 850/900/2100
Primary 4G network	LTE Cat4 (1, 2, 4, 5, 7, 17)	LTE Cat4 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
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 A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
Back camera (main camera)	8 megapixels	(quad camera) 48 megapixels 5MP ultrawide f/2.2123° 2MP macro f/2.4 2MP depth f/2.4
Main camera resolution	3264x2448 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.4 (aperture)	f/2.0 (aperture)
Focal length	31mm lens	26mm lens
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
Autofocus	Autofocus	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 A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
Front camera (secondary)	5 megapixels	8 megapixels
Front camera resolution	2592x1944 pixels	3264x2448 pixels
Video recording (secondary)	WVGA (800x480)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	23mm lens	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
Loudspeaker	Mono sound (not stereo)	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
USB	MicroUSB 2.0	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.0 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Proximity sensor	Accelerometer Face unlock Fingerprint sensor (side-mounted) Virtual ambient light sensor Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	1900 mAh	5000 mAh
Charger, watts	3.5W (5V/0.7A) Wired charging	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	12 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
Call control	Voice dialing, Voice recorder, Voice commands	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, White, Blue, Silver, Pink, Gold • Java framework	• Colors: Black, White, Blue, Red
☢️ Radiation rate
	Galaxy A3 Duos (SM-A300M/DS)	Galaxy A12 (SM-A125F/DS 128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.52W/kg (head), 1.08W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.342W/kg (head), 0.231W/kg (body)	0.673W/kg (head), 1.377W/kg (body)