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Samsung Galaxy A51 (SM-A515F/DSN) vs Samsung Galaxy A12 (SM-A125F/DS 64GB)

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

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Compare Samsung Galaxy A12 X Samsung Galaxy A51 (SM-A515F/DSN) 21Points
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
01Point Samsung Galaxy A12 (SM-A125F/DS 64GB) Compare Samsung Galaxy A51 X
6.5"
PLS

720x1600

48
MP

8mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 (SM-A515F/DSN)

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 A51 (SM-A515F/DSN)} 21 Advantages Samsung Galaxy A51 (SM-A515F/DSN) vs Galaxy A12 (SM-A125F/DS 64GB)} 1 Advantage Samsung Galaxy A12 (SM-A125F/DS 64GB)
+2.3GHz 64bit Octa-core (10nm)1%
More powerful processor, you can open your applications faster
vs2.3GHz 64bit Octa-core (12nm)
+6GB LPDDR4X50%
More RAM memory. Typically more responsive and better for multitasking.
vs4GB LPDDR4X
+128GB (107GB available)123%
More internal storage for applications and files
vs64GB (48GB available)
+172 grams (6.02 ounces)19%
Lighter
vs205 grams (7.18 ounces)
+7.9 millimeters (0.31 inches)13%
Thinner
vs8.9 millimeters (0.35 inches)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT PLS
+1080x2400 pixels125%
Higher resolution screen
vs720x1600 pixels
+405 PPI50%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs270 PPI
+(quad camera) 48MP + 12MP + 5MP + 5MP23%
Higher resolution main camera
vs(quad camera) 48MP + 5MP + 2MP + 2MP
+(front) 32MP3 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 13Advantage
Android 13 is newer and safer
vsAndroid 11
+(4G LTE-A) 600 Mbps3 times
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+Ambient light sensorAdvantage
Sensors help you use the device
vsVirtual ambient light sensor
+ANT+Advantage
Sensors help you use the device
vsNot supported
+CompassAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
vs802.11 b/g/n [wifi4]
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
4000 mAhvs+5000 mAh25%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use

28 Common items in both devices
eMMC 5.1
Until 1TB microSD, microSDXC
Plastic body, glass front
60Hz
16 million
6.5"
LED flash
+21 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 A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
ModelGalaxy A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
Other model namesSamsung Galaxy A51 SM-A515F/DSNGalaxy A12 SM-A125F/Dual-Sim (64GB + 4GB RAM)
Country or region available(Europe)(Global, International)United Arab EmiratesPakistanTaiwan
(Europe), (Global, International), United Arab Emirates, Pakistan, Taiwan
(Global, International)South AfricaAlgeriaCameroonNigeriaPakistanKenyaSenegal
(Global, International), South Africa, Algeria, Cameroon, Nigeria, Pakistan, Kenya, Senegal
BrandSamsungSamsung
Release date12/16/2019, Announced: 12/12/201912/21/2020, Announced: 11/24/2020
Depth7.9 millimeters (0.31 inches)8.9 millimeters (0.35 inches)
Size (width x height)73.6 x 158.5 millimeters (2.9 x 6.24 in)75.8 x 164 millimeters (2.98 x 6.46 in)
Weight172 grams (6.02 ounces)205 grams (7.18 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Galaxy A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
Display typeSuper AMOLEDTFT PLS
Screen size6.5" inches6.5" inches
Screen-to-body ratio~87.4% (screen-to-body ratio)~82.1% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)405 PPI270 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Not supported
Refresh rate60Hz60Hz
Display featuresAlways-On DisplayNot supported

🤖 Operating System

Galaxy A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
System versionAndroid 10Android 10
Firmware updateAndroid 13Android 11
User InterfaceOne UI 2.5 / 3.1 / 4.1 / 5.0One UI 3.1

⚙️ Processor

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

💽 Memory and storage

Galaxy A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
RAM memory6GB LPDDR4X4GB LPDDR4X
Internal storage128GB (107GB available)
eMMC 5.1
64GB (48GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
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 / Upload600/150 Mbps150/50 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 850/900/1700/1900/2100UMTS 850/900/2100
Primary 4G networkLTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat4 (1, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
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 A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
Back camera (main camera)(quad camera)
48 megapixels
12MP ultrawide f/2.213mm1.12µm
5MP telephoto f/2.440mm
5MP depth f/2.21/5.0"1.12µm
(quad camera)
48 megapixels
5MP ultrawide f/2.2123°
2MP macro f/2.4
2MP depth f/2.4
Main camera resolution8000x6000 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered
AutofocusPDAF: phase detection autofocusAutofocus
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 A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
Front camera (secondary)32 megapixels8 megapixels
Front camera resolution6528x4896 pixels3264x2448 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2.8" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered

🔉 Sound and multimedia

Galaxy A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)FM
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 A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
SensorsAccelerometer
Ambient light sensor
ANT+
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Virtual proximity sensor
Accelerometer
Face unlock
Fingerprint sensor (side-mounted)
Virtual ambient light sensor
Virtual proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4000 mAh5000 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 A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
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: Prism, Crush Black, White, Blue, Pink• Colors: Black, White, Blue, Red

☢️ Radiation rate

Galaxy A51 (SM-A515F/DSN)Galaxy A12 (SM-A125F/DS 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.369W/kg (head), 1.59W/kg (body)0.673W/kg (head), 1.377W/kg (body)
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