Samsung Galaxy A21 (SM-A215U1) vs Samsung Galaxy A12 (SM-A125F/DS 64GB)

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Side by side comparison between Samsung Galaxy A21 vs Samsung Galaxy A12 phones, differences, pros, cons and full specifications. What's the better?

2/7/2021 10:07 AM, updated: 11/22/2021 6:42 PM

Compare Samsung Galaxy A12 X Samsung Galaxy A21 (SM-A215U1) 10Points

Specifications Compare Models Pictures

6.5"
PLS

720x1600

16
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

06Points Samsung Galaxy A12 (SM-A125F/DS 64GB) Compare Samsung Galaxy A21 X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

48
MP

8mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A21 (SM-A215U1)

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 A21 (SM-A215U1)	vs	6 Advantages Samsung Galaxy A12 (SM-A125F/DS 64GB)
+193 grams (6.76 ounces)6% Lighter	vs	205 grams (7.18 ounces)
+8.1 millimeters (0.32 inches)10% Thinner	vs	8.9 millimeters (0.35 inches)
+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+(front) 13MP60% Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+Ambient light sensorAdvantage Sensors help you use the device	vs	Virtual ambient light sensor
+CompassAdvantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
3GB LPDDR3	vs	+4GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
32GB (20GB available)	vs	+64GB (48GB available)140% More internal storage for applications and files
(quad camera) 16MP + 8MP + 2MP + 2MP	vs	+(quad camera) 48MP + 5MP + 2MP + 2MP104% Higher resolution main camera
Android 10	vs	+Android 11Advantage Android 11 is newer and safer
4000 mAh	vs	+5000 mAh25% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.

32 Common items in both devices

2.3GHz 64bit Octa-core (12nm)

eMMC 5.1

Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC

Plastic body, glass front

TFT PLS

60Hz

16 million

+25 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 A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
Change model		Choose the model
Model	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
Other model names	Galaxy A21 SM-A215UZKAXAA (USA Unlocked)	Galaxy A12 SM-A125F/Dual-Sim (64GB + 4GB RAM)
Country or region available	USA	(Global, International), South Africa, Algeria, Cameroon, Nigeria, Pakistan, Kenya, Senegal
Brand	Samsung	Samsung
Release date	6/26/2020	12/21/2020, Announced: 11/24/2020
Depth	8.1 millimeters (0.32 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	76.7 x 167.8 millimeters (3.02 x 6.61 in)	75.8 x 164 millimeters (2.98 x 6.46 in)
Weight	193 grams (6.76 ounces)	205 grams (7.18 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
Display type	TFT PLS	TFT PLS
Screen size	6.5" inches	6.5" inches
Screen-to-body ratio	~79.3% (screen-to-body ratio)	~82.1% (screen-to-body ratio)
Display resolution	720x1600 pixels (20:9)	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	270 PPI	270 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	60Hz	60Hz
Display features	Not supported	Not supported
🤖 Operating System
	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
System version	Android 10	Android 10
Firmware update	feature not registered	Android 11
User Interface	feature not registered	One UI 3.1
⚙️ Processor
	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
Chipset	64bit: MediaTek Helio P35 (MT6765) (12nm)	64bit: MediaTek Helio P35 (MT6765) (12nm)
CPU	Octa-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-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	PowerVR GE8320 MP2 (680MHz)	PowerVR GE8320 MP2 (680MHz)
Performance (benchmark)	feature not registered	AnTuTu: 108503 (v8) Geekbench: 1022 (v5.4) GFXBench: 5fps (ES 3.1 onscreen)
💽 Memory and storage
	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
RAM memory	3GB LPDDR3	4GB LPDDR4X
Internal storage	32GB (20GB available) eMMC 5.1	64GB (48GB available) eMMC 5.1
External storage	Until 512GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-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	CDMA 800/1900, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100	UMTS 850/900/2100
Primary 4G network	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71) TD-LTE (38, 39, 40, 41) VoLTE	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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
Back camera (main camera)	(quad camera) 16 megapixels 8MP ultrawide f/2.21/4.0"1.12µm 2MP macro f/2.4 2MP depth f/2.4	(quad camera) 48 megapixels 5MP ultrawide f/2.2123° 2MP macro f/2.4 2MP depth f/2.4
Main camera resolution	4608x3456 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	1/3.06" inches	feature not registered
Pixel size	1µm pixel	feature not registered
Autofocus	PDAF: phase detection 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 on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
Front camera (secondary)	13 megapixels	8 megapixels
Front camera resolution	4128x3096 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	1.12µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
Loudspeaker	Supported	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.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
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 A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Face unlock Fingerprint sensor (side-mounted) Virtual ambient light sensor Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	5000 mAh
Charger, watts	15W Wired fast charging	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
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 • One UI 2.0	• Colors: Black, White, Blue, Red
☢️ Radiation rate
	Galaxy A21 (SM-A215U1)	Galaxy A12 (SM-A125F/DS 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.6W/kg (head), 1.27W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.673W/kg (head), 1.377W/kg (body)