Samsung Galaxy A12 (SM-A125M/DS) vs Xiaomi 15 (Global 256GB/12GB)

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Side by side comparison between Samsung Galaxy A12 vs Xiaomi 15 phones, differences, pros, cons and full specifications. What's the better?

5/20/2025 11:23 AM, updated: 5/20/2025 6:20 PM

Compare Xiaomi 15 X Samsung Galaxy A12 (SM-A125M/DS) 04Points

Specifications Compare Models Pictures

6.5"
PLS

720x1600

48
MP

8mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

41Points Xiaomi 15 (Global 256GB/12GB) Compare Samsung Galaxy A12 X

Specifications Compare Models Pictures

6.36"
AMOLED

1200x2670

50
MP

32mp

12GB
RAM

Octa-core

5240
mAh

(Non removable)

What's the better phone? Xiaomi 15 (Global 256GB/12GB)

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!

4 Advantages Samsung Galaxy A12 (SM-A125M/DS)	vs	41 Advantages Xiaomi 15 (Global 256GB/12GB)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+6.5"2% Larger screen	vs	6.36"
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
2.3GHz 64bit Octa-core (12nm)	vs	+4.32GHz 64bit Octa-core (3nm)121% More powerful processor, you can open your applications faster
4GB LPDDR4X	vs	+12GB LPDDR5X2 times More RAM memory. Typically more responsive and better for multitasking.
64GB (48GB available)	vs	+256GB (220GB available)4 times More internal storage for applications and files
eMMC 5.1	vs	+UFS 4.0Advantage Fastest write and read storage.
205 grams (7.18 ounces)	vs	+192 grams (6.72 ounces)7% Lighter
8.9 millimeters (0.35 inches)	vs	+8.4 millimeters (0.33 inches)6% Thinner
Plastic body, glass front	vs	+Aluminum body, glass frontAdvantage More resistant material
TFT PLS	vs	+LTPO AMOLEDAdvantage LTPO AMOLED display is brighter and more vivid
Not supported	vs	+Dolby Vision/HDR10+Advantage The Dolby Vision/HDR10+ display provides vibrant colors and more details
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
16 million	vs	+68 billion4249 times More colors on the screen is better quality images and videos
720x1600 pixels	vs	+1200x2670 pixels178% Higher resolution screen
270 PPI	vs	+460 PPI70% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(quad camera) 48MP + 5MP + 2MP + 2MP	vs	+(triple camera) 50MP + 50MP + 50MP163% Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
f/2.0 (aperture)	vs	+f/1.6 (aperture)25% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 32MP3 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+8K UHD (7680x4320)15 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 11	vs	+Android 15Advantage Android 15 is newer and safer
4G LTE	vs	+5G Sub6Advantage The 5G Sub6 network is newer and faster
(4G LTE) 150 Mbps	vs	+(5G Sub6) 3000 Mbps19 times Faster for surfing the internet and download files
Virtual ambient light sensor	vs	+Ambient light sensorAdvantage Sensors help you use the device
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+CompassAdvantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
Virtual proximity sensor	vs	+Proximity sensorAdvantage Sensors help you use the device
5000 mAh	vs	+5240 mAh5% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15W	vs	+90W5 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.
Not supported	vs	+Qi Wireless charging (Qi/WPC)Advantage Wireless charging is another way to charge the battery.
2 slots (Dual-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.
Mono sound (not stereo)	vs	+Stereo soundAdvantage Better sound quality for listening to music or clearer hands-free calls
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac/ax/be [wifi7/6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] is newer and faster
5.0 + A2DP/LE	vs	+6.0 + A2DP/LEAdvantage Bluetooth 6.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
USB 2.0 Type-C reversible connector	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+Dragon Crystal GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

14 Common items in both devices

Autofocus / PDAF: phase detection autofocus

HDR photo on both cameras / HDR photo/video on both cameras

Capacitive

Multitouch

Accelerometer

Face unlock

Fingerprint sensor (side-mounted) / Fingerprint sensor (under display)

+7 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 A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
Change model		Choose the model
Model	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
Other model names	Galaxy A12 SM-A125M/Dual-Sim (64GB + 4GB RAM)	Xiaomi 15 24129PN74G, 24129PN74I
Country or region available	(Latin America), Brazil, Paraguay	(Global, International)
Brand	Samsung	Xiaomi
Release date	12/21/2020, Announced: 11/24/2020	10/29/2024
Depth	8.9 millimeters (0.35 inches)	8.4 millimeters (0.33 inches)
Size (width x height)	75.8 x 164 millimeters (2.98 x 6.46 in)	71.2 x 152.3 millimeters (2.8 x 6 in)
Weight	205 grams (7.18 ounces)	192 grams (6.72 ounces)
Build, materials	Plastic body, glass front	Aluminum body, glass front
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
Display type	TFT PLS	LTPO AMOLED
Screen size	6.5" inches	6.36" inches
Screen-to-body ratio	~82.1% (screen-to-body ratio)	~90% (screen-to-body ratio)
Display resolution	720x1600 pixels (20:9)	1200x2670 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	270 PPI	460 PPI
Colors	16 million	68 billion
Scratch-resistant glass	Not supported	Dragon Crystal Glass
Refresh rate	60Hz	120Hz
Display features	Not supported	3200nits[peak] Dolby Vision/HDR10+ Touch Sampling Rate: 300Hz
🤖 Operating System
	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
System version	Android 10	Android 15
Firmware update	Android 11	feature not registered
User Interface	One UI 3.1	HyperOS 2
⚙️ Processor
	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
Chipset	64bit: MediaTek Helio P35 (MT6765) (12nm)	64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm)
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: 2x 4.32GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core)
GPU graphical controller	PowerVR GE8320 MP2 (680MHz)	Qualcomm Adreno 830 (1100MHz)
Performance (benchmark)	AnTuTu: 108503 (v8) Geekbench: 1022 (v5.4) GFXBench: 5fps (ES 3.1 onscreen)	AnTuTu: 2534643 (v10) Geekbench: 9419 (v6)
💽 Memory and storage
	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
RAM memory	4GB LPDDR4X	12GB LPDDR5X
Internal storage	64GB (48GB available) eMMC 5.1	256GB (220GB available) UFS 4.0
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	150/50 Mbps	3000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
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 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 17, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (32, 38, 39, 40, 41, 42, 48) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 75, 77, 78)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (32, 38, 39, 40, 41, 42, 48) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
📷 Camera
	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
Back camera (main camera)	(quad camera) 48 megapixels 5MP ultrawide f/2.2123° 2MP macro f/2.4 2MP depth f/2.4	(triple camera) 50 megapixels 50MP telephoto f/2.060mm1/2.76"0.64µmPDAFOIS2.6x-optical-zoom 50MP ultrawide f/2.214mm115°1/2.76"0.64µm
Main camera resolution	8000x6000 pixels	8160x6120 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	8K UHD (7680x4320) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/1.6 (aperture)
Focal length	26mm (lens)	23mm (lens)
Sensor size	feature not registered	1/1.31" inches
Pixel size	feature not registered	1.2µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	feature not registered	8K@24/30fps (HDR) 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG) 1080p@30/60/120/240/960fps 720p@1920fps Leica Summilux
📸 Front camera
	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
Front camera (secondary)	8 megapixels	32 megapixels
Front camera resolution	3264x2448 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	21mm (lens)
Sensor size	feature not registered	1/3.14" inches
Pixel size	feature not registered	0.7µm pixel
🔉 Sound and multimedia
	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
Loudspeaker	Mono sound (not stereo)	Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res
Active noise cancellation	2 microphones or more	4 microphones
Radio	FM	Not supported
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 A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
USB	USB 2.0 Type-C reversible connector	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	6.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Not supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
Sensors	Accelerometer Face unlock Fingerprint sensor (side-mounted) Virtual ambient light sensor Virtual proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Si: lithium-silicon (Non removable)
Battery capacity	5000 mAh	5240 mAh
Charger, watts	15W Wired fast charging	90W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0
Inductive / wireless charging	Not supported	50W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
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, Red	• Colors: Black, White, Green, Lilac, Liquid Silver • Xiaomi HyperAI
☢️ Radiation rate
	Galaxy A12 (SM-A125M/DS)	Xiaomi 15 (Global 256GB/12GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.1W/kg (head), 1.15W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.99W/kg (head), 1W/kg (body)