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Samsung Galaxy A12 (SM-A125F/DS 128GB/4GB) vs Samsung Galaxy A51 (SM-A515F/DSM 128GB)

Side by side comparison between Samsung Galaxy A12 vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy A51 X Samsung Galaxy A12 (SM-A125F/DS 128GB/4GB) 01Point
6.5"
PLS

720x1600

48
MP

8mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
19Points Samsung Galaxy A51 (SM-A515F/DSM 128GB) Compare Samsung Galaxy A12 X
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 (SM-A515F/DSM 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 A12 (SM-A125F/DS 128GB/4GB)} 1 Advantage Samsung Galaxy A12 (SM-A125F/DS 128GB/4GB) vs Galaxy A51 (SM-A515F/DSM 128GB)} 19 Advantages Samsung Galaxy A51 (SM-A515F/DSM 128GB)
+5000 mAh25%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
2.3GHz 64bit Octa-core (12nm)vs+2.3GHz 64bit Octa-core (10nm)1%
More powerful processor, you can open your applications faster
4GB LPDDR4Xvs+6GB LPDDR4X50%
More RAM memory. Typically more responsive and better for multitasking.
205 grams (7.18 ounces)vs+172 grams (6.02 ounces)19%
Lighter
8.9 millimeters (0.35 inches)vs+7.9 millimeters (0.31 inches)13%
Thinner
TFT PLSvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
720x1600 pixelsvs+1080x2400 pixels125%
Higher resolution screen
270 PPIvs+405 PPI50%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(quad camera) 48MP + 5MP + 2MP + 2MPvs+(quad camera) 48MP + 12MP + 5MP + 5MP23%
Higher resolution main camera
(front) 8MPvs+(front) 32MP3 times
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Android 11vs+Android 13Advantage
Android 13 is newer and safer
(4G LTE) 150 Mbpsvs+(4G LTE-A) 600 Mbps3 times
Faster for surfing the internet and download files
Virtual ambient light sensorvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+ANT+Advantage
Sensors help you use the device
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
Not supportedvs+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys

29 Common items in both devices
128GB (106GB available) / 128GB (107GB available)
eMMC 5.1
Until 1TB microSD, microSDXC
Plastic body, glass front
60Hz
16 million
6.5"
+22 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 A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
ModelGalaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
Other model namesGalaxy A12 SM-A125F/Dual-Sim (128GB + 4GB RAM)Samsung Galaxy A51 SM-A515F/DSM
Country or region availableIndonesiaSingaporeThailandTurkey
Indonesia, Singapore, Thailand, Turkey
KazakhstanRussia
Kazakhstan, Russia
BrandSamsungSamsung
Release date12/21/2020, Announced: 11/24/202012/16/2019, Announced: 12/12/2019
Depth8.9 millimeters (0.35 inches)7.9 millimeters (0.31 inches)
Size (width x height)75.8 x 164 millimeters (2.98 x 6.46 in)73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight205 grams (7.18 ounces)172 grams (6.02 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Galaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
Display typeTFT PLSSuper AMOLED
Screen size6.5" inches6.5" inches
Screen-to-body ratio~82.1% (screen-to-body ratio)~87.4% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)270 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 3
Refresh rate60Hz60Hz
Display featuresNot supportedAlways-On Display

🤖 Operating System

Galaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
System versionAndroid 10Android 10
Firmware updateAndroid 11Android 13
User InterfaceOne UI 3.1One UI 2.5 / 3.1 / 4.1 / 5.0

⚙️ Processor

Galaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
Chipset64bit: MediaTek Helio P35 (MT6765) (12nm)64bit: Samsung Exynos 9611 (10nm)
CPUOcta-core, 2 processors:
4x 2.3GHz ARM Cortex-A53 (Quad-core)
4x 1.8GHz ARM Cortex-A53 (Quad-core)
Octa-core, 2 processors:
4x 2.3GHz ARM Cortex-A73 (Quad-core)
4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerPowerVR GE8320 MP2 (680MHz)ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)AnTuTu: 108503 (v8)
Geekbench: 1022 (v5.4)
GFXBench: 5fps (ES 3.1 onscreen)
feature not registered

💽 Memory and storage

Galaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
RAM memory4GB LPDDR4X6GB LPDDR4X
Internal storage128GB (106GB available)
eMMC 5.1
128GB (107GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
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)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload150/50 Mbps600/150 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 850/900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat4 (1, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

Galaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
Back camera (main camera)(quad camera)
48 megapixels
5MP ultrawide f/2.2123°
2MP macro f/2.4
2MP depth f/2.4
(quad camera)
48 megapixels
12MP ultrawide f/2.213mm1.12µm
5MP telephoto f/2.440mm
5MP depth f/2.21/5.0"1.12µm
Main camera resolution8000x6000 pixels8000x6000 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
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 on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Galaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
Front camera (secondary)8 megapixels32 megapixels
Front camera resolution3264x2448 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/2.8" inches
Pixel sizefeature not registered0.8µm pixel

🔉 Sound and multimedia

Galaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
LoudspeakerMono sound (not stereo)Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, 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 A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
USBUSB 2.0 Type-C reversible connectorUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
SensorsAccelerometer
Face unlock
Fingerprint sensor (side-mounted)
Virtual ambient light sensor
Virtual proximity sensor
Accelerometer
Ambient light sensor
ANT+
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Virtual proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5000 mAh4000 mAh
Charger, watts15W Wired fast charging15W Wired fast charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
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, Blue, Red• Colors: Prism, Crush Black, White, Blue, Pink

☢️ Radiation rate

Galaxy A12 (SM-A125F/DS 128GB/4GB)Galaxy A51 (SM-A515F/DSM 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.673W/kg (head), 1.377W/kg (body)0.369W/kg (head), 1.59W/kg (body)
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