Samsung Galaxy A15 (SM-A155M/N 256GB) vs Xiaomi 12S (128GB)

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Side by side comparison between Samsung Galaxy A15 vs Xiaomi 12S phones, differences, pros, cons and full specifications. What's the better?

3/18/2024 5:17 PM, updated: 3/18/2024 7:37 PM

Compare Xiaomi 12S X Samsung Galaxy A15 (SM-A155M/N 256GB) 10Points

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2340

50
MP

13mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

28Points Xiaomi 12S (128GB) Compare Samsung Galaxy A15 X

Specifications Compare Models Pictures

6.28"
AMOLED

1080x2400

50
MP

32mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone? Xiaomi 12S (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!

10 Advantages Samsung Galaxy A15 (SM-A155M/N 256GB)	vs	28 Advantages Xiaomi 12S (128GB)
+256GB (236GB available)134% More internal storage for applications and files	vs	128GB (101GB available)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	AMOLED
+6.5"4% Larger screen	vs	6.28"
+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.9 (aperture)
+Android 14Advantage Android 14 is newer and safer	vs	Android 13
+5000 mAh11% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4500 mAh
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster	vs	5.2 + A2DP/LE
2.2GHz 64bit Octa-core (6nm)	vs	+3.19GHz 64bit Octa-core (4nm)43% More powerful processor, you can open your applications faster
8GB LPDDR4X	vs	+8GB LPDDR5Advantage This RAM type is better and more efficient.
eMMC 5.1	vs	+UFS 3.1Advantage Fastest write and read storage.
200 grams (7 ounces)	vs	+182 grams (6.37 ounces)10% Lighter
8.4 millimeters (0.33 inches)	vs	+8.2 millimeters (0.32 inches)2% Thinner
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
Not supported	vs	+Dolby Vision/HDR10+Advantage The Dolby Vision/HDR10+ display provides vibrant colors and more details
90Hz	vs	+120Hz33% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
16 million	vs	+1 billion62 times More colors on the screen is better quality images and videos
1080x2340 pixels	vs	+1080x2400 pixels3% Higher resolution screen
396 PPI	vs	+419 PPI6% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(triple camera) 50MP + 5MP + 2MP	vs	+(triple camera) 50MP + 13MP + 5MP19% Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
(front) 13MP	vs	+(front) 32MP150% 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
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 300 Mbps	vs	+(5G SA/NSA) 2000 Mbps6 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage 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
25W	vs	+67W168% 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 chargingAdvantage Wireless charging is another way to charge the battery.
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM)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 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster
Not supported	vs	+Gorilla Glass VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys

15 Common items in both devices

Only digital zoom

Autofocus / LDAF/PDAF: laser/phase detection autofocus

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

Capacitive

Multitouch

Accelerometer

Ambient light sensor

+8 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 A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
Change model		Choose the model
Model	Galaxy A15 (SM-A155M/N 256GB)	12S (128GB)
Other model names	Galaxy A15 4G LTE SM-A155M/NFC (Single-SIM)	小米12S 5G (8GB RAM) 2206123SC
Country or region available	(Latin America), Peru	(Global, International)
Brand	Samsung	Xiaomi
Release date	12/16/2023, Announced: 12/11/2023	7/7/2022, Announced: 7/4/2022
Depth	8.4 millimeters (0.33 inches)	8.2 millimeters (0.32 inches)
Size (width x height)	76.8 x 160.1 millimeters (3.02 x 6.3 in)	69.9 x 152.7 millimeters (2.75 x 6.01 in)
Weight	200 grams (7 ounces)	182 grams (6.37 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
Display type	Super AMOLED	AMOLED
Screen size	6.5" inches	6.28" inches
Screen-to-body ratio	~84.3% (screen-to-body ratio)	~89.2% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	396 PPI	419 PPI
Colors	16 million	1 billion
Scratch-resistant glass	Not supported	Gorilla Glass Victus
Refresh rate	90Hz	120Hz
Display features	800nits[peak]	1100nits[peak] Dolby Vision/HDR10+
🤖 Operating System
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
System version	Android 14	Android 12
Firmware update	feature not registered	Android 13
User Interface	One UI 6.1	MIUI 13 / 14
⚙️ Processor
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
Chipset	64bit: MediaTek Helio G99 (6nm)	64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core)	Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core)
GPU graphical controller	ARM Mali-G57 MC2	Qualcomm Adreno 730 (818MHz)
Performance (benchmark)	AnTuTu: 317085 (v9), 375321 (v10) Geekbench: 1928 (v5), 1936 (v6)	AnTuTu: 1029495 (v9)
💽 Memory and storage
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
RAM memory	8GB LPDDR4X	8GB LPDDR5
Internal storage	256GB (236GB available) eMMC 5.1	128GB (101GB available) UFS 3.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/150 Mbps	2000/1024 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	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100
Primary 4G network	LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE
Primary 5G network	Not supported	SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 800/850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
Back camera (main camera)	(triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4	(triple camera) 50 megapixels 13MP ultrawide f/2.415mm123°1/3.06"1.12µm 5MP telephoto macro f/2.450mmAF
Main camera resolution	8160x6120 pixels	8160x6120 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	8K UHD (7680x4320) 24 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	24mm lens
Sensor size	feature not registered	1/1.28" inches
Pixel size	feature not registered	1.22µm pixel
Autofocus	Autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	1080p@30fps 720p@120fps (slow motion)	4K@60fps 1080p@960fps Sony IMX707 Leica optics
📸 Front camera
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
Front camera (secondary)	13 megapixels	32 megapixels
Front camera resolution	4128x3096 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.5 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	0.7µm pixel
🔉 Sound and multimedia
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
Loudspeaker	Mono sound (not stereo)	Stereo sound 24-bit/192kHz Tuned by Harman Kardon
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	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 A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.3 + A2DP/LE	5.2 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Virtual proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	4500 mAh
Charger, watts	25W Wired fast charging	67W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0
Inductive / wireless charging	Not supported	50W Qi wireless charging 10W Reverse wireless charging
Talk time autonomy	51 hours (2.1 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
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: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow	• Colors: Gray, White, Purple, Green
☢️ Radiation rate
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi 12S (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered