Samsung Galaxy A15 (SM-A155M/N 256GB) vs Xiaomi Mi 11 Ultra (256GB/12GB)

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Side by side comparison between Samsung Galaxy A15 vs Xiaomi Mi 11 Ultra phones, differences, pros, cons and full specifications. What's the better?

3/18/2024 5:17 PM, updated: 5/28/2025 9:47 AM

Compare Xiaomi Mi 11 Ultra X Samsung Galaxy A15 (SM-A155M/N 256GB) 08Points

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2340

50
MP

13mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

29Points Xiaomi Mi 11 Ultra (256GB/12GB) Compare Samsung Galaxy A15 X

Specifications Compare Models Pictures

6.81"
AMOLED

1440x3200

50
MP

20mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Xiaomi Mi 11 Ultra (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!

8 Advantages Samsung Galaxy A15 (SM-A155M/N 256GB)	vs	29 Advantages Xiaomi Mi 11 Ultra (256GB/12GB)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+200 grams (7 ounces)17% Lighter	vs	234 grams (8.19 ounces)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	AMOLED
+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)
+Android 15Advantage Android 15 is newer and safer	vs	Android 11
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C jack with 3.5mm jack adapter
+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	+2.84GHz 64bit Octa-core (5nm)27% More powerful processor, you can open your applications faster
8GB LPDDR4X	vs	+12GB LPDDR550% More RAM memory. Typically more responsive and better for multitasking.
eMMC 5.1	vs	+UFS 3.1Advantage Fastest write and read storage.
8.4 millimeters (0.33 inches)	vs	+8.38 millimeters (0.33 inches)1% Thinner
Plastic body, glass front	vs	+Aluminum body, glass front, ceramic 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	+1440x3200 pixels82% Higher resolution screen
396 PPI	vs	+515 PPI30% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.5"	vs	+6.81"5% Larger screen
(triple camera) 50MP + 5MP + 2MP	vs	+(triple camera) 50MP + 48MP + 48MP156% 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
(front) 13MP	vs	+(front) 20MP56% 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) 3500 Mbps11 times Faster for surfing the internet and download files
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.
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supported	vs	+Gorilla Glass VictusAdvantage 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

21 Common items in both devices

256GB (236GB available) / 256GB (230GB available)

Autofocus / PDAF: phase detection autofocus

BSI sensor

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

Capacitive

Multitouch

Accelerometer

+14 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 Mi 11 Ultra (256GB/12GB)
Change model		Choose the model
Model	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi Mi 11 Ultra (256GB/12GB)
Other model names	Galaxy A15 4G LTE SM-A155M/NFC (Single-SIM)	Xiaomi Mi 11 Ultra (256GB + 12GB RAM)
Country or region available	(Latin America), Peru	(Global, International)
Brand	Samsung	Xiaomi
Release date	12/16/2023, Announced: 12/11/2023	4/2/2021, Announced: 3/29/2021
Depth	8.4 millimeters (0.33 inches)	8.38 millimeters (0.33 inches)
Size (width x height)	76.8 x 160.1 millimeters (3.02 x 6.3 in)	74.6 x 164.3 millimeters (2.94 x 6.47 in)
Weight	200 grams (7 ounces)	234 grams (8.19 ounces)
Build, materials	Plastic body, glass front	Aluminum body, glass front, ceramic back
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi Mi 11 Ultra (256GB/12GB)
Display type	Super AMOLED	AMOLED
Screen size	6.5" inches	6.81" inches
Screen-to-body ratio	~84.3% (screen-to-body ratio)	~91.4% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1440x3200 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	396 PPI	515 PPI
Colors	16 million	1 billion
Scratch-resistant glass	Not supported	Gorilla Glass Victus
Refresh rate	90Hz	120Hz
Display features	800nits[peak]	1700nits[peak] Dolby Vision/HDR10+
🤖 Operating System
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi Mi 11 Ultra (256GB/12GB)
System version	Android 14	Android 11
Firmware update	Android 15	feature not registered
User Interface	One UI 6.1 / 7.0	feature not registered
⚙️ Processor
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi Mi 11 Ultra (256GB/12GB)
Chipset	64bit: MediaTek Helio G99 (6nm)	64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)
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 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core)
GPU graphical controller	ARM Mali-G57 MC2	Qualcomm Adreno 660 (840MHz)
Performance (benchmark)	AnTuTu: 317085 (v9), 375321 (v10) Geekbench: 1928 (v5), 1936 (v6)	feature not registered
💽 Memory and storage
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi Mi 11 Ultra (256GB/12GB)
RAM memory	8GB LPDDR4X	12GB LPDDR5
Internal storage	256GB (236GB available) eMMC 5.1	256GB (230GB available) UFS 3.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi Mi 11 Ultra (256GB/12GB)
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	3500/1024 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 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 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 66) TD-LTE (38, 40, 41, 42) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42)
Primary 5G network	Not supported	Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79) China version: SA/NSA (1, 3, 28, 41, 77, 78, 79)
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	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi Mi 11 Ultra (256GB/12GB)
Back camera (main camera)	(triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4	(triple camera) 50 megapixels 48MP periscope telephoto f/4.1120mm1/2.0"0.8µmPDAFOIS5x-optical-zoom 48MP ultrawide f/2.212mm128°1/2.0"0.8µmPDAF
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/2.0 (aperture)
Focal length	feature not registered	24mm (lens)
Sensor size	feature not registered	1/1.12" inches
Pixel size	feature not registered	1.4µm 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	Supported	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	1080p@30fps 720p@120fps (slow motion)	feature not registered
📸 Front camera
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi Mi 11 Ultra (256GB/12GB)
Front camera (secondary)	13 megapixels	20 megapixels
Front camera resolution	4128x3096 pixels	5184x3840 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	27mm (lens)
Sensor size	feature not registered	1/3.4" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi Mi 11 Ultra (256GB/12GB)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	2 microphones	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 Mi 11 Ultra (256GB/12GB)
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 jack with 3.5mm jack adapter
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 [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	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 Mi 11 Ultra (256GB/12GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Virtual proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi Mi 11 Ultra (256GB/12GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	5000 mAh
Charger, watts	25W Wired fast charging	67W Wired fast charging Quick Charge 4+ USB Power Delivery 3.0
Inductive / wireless charging	Not supported	67W 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 Mi 11 Ultra (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: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow	• Colors: Ceramic black, Ceramic white • MIUI 12.5 • Screen protector included • Protective case included • 24-bit/192kHz audio • Tuned by Harman Kardon • Secondary 1.1" AMOLED display next to the rear camera
☢️ Radiation rate
	Galaxy A15 (SM-A155M/N 256GB)	Xiaomi Mi 11 Ultra (256GB/12GB)
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