Skip to content

Samsung Galaxy A15 (SM-A155M/DSN 256GB) vs Sony Xperia U (ST25a)

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

,
Compare Sony Xperia U X Samsung Galaxy A15 (SM-A155M/DSN 256GB) 28Points
6.5"
AMOLED

1080x2340

50
MP

13mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
05Points Sony Xperia U (ST25a) Compare Samsung Galaxy A15 X
3.5"
LED

480x854

5
MP

0.3mp

512MB
RAM

Dual-core

1320
mAh

(Removable)

What's the better phone? Samsung Galaxy A15 (SM-A155M/DSN 256GB)

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 A15 (SM-A155M/DSN 256GB)} 28 Advantages Samsung Galaxy A15 (SM-A155M/DSN 256GB) vs Xperia U (ST25a)} 5 Advantages Sony Xperia U (ST25a)
+2.2GHz 64bit Octa-core (6nm)3 times
More powerful processor, you can open your applications faster
vs1GHz 32bit Dual-core (45nm)
+8GB LPDDR4X15 times
More RAM memory. Typically more responsive and better for multitasking.
vs512MB LPDDR2
+256GB (236GB available)58 times
More internal storage for applications and files
vs8GB (4GB available)
+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+8.4 millimeters (0.33 inches)43%
Thinner
vs12 millimeters (0.47 inches)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT LED-Backlit LCD
+90Hz50%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs60Hz
+1080x2340 pixels5 times
Higher resolution screen
vs480x854 pixels
+396 PPI41%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs280 PPI
+6.5"86%
Larger screen
vs3.5"
+(triple camera) 50MP + 5MP + 2MP10 times
Higher resolution main camera
vs(back) 5MP
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsNot supported
+(front) 13MP41 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 0.3MP
+Full HD (1920x1080)125%
More image quality for recording videos with the primary camera
vsHD (1280x720)
+(front) Full HD (1920x1080)6 times
More image quality for recording videos with the secondary camera
vs(front) VGA (640x480)
+Android 14Advantage
Android 14 is newer and safer
vsAndroid 4.0.4 Ice Cream Sandwich ICS
+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
vs3G HSUPA
+(4G LTE-A) 300 Mbps20 times
Faster for surfing the internet and download files
vs(3G HSUPA) 14.4 Mbps
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (side-mounted)Advantage
Sensors help you use the device
vsNot supported
+5000 mAh3 times
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs1320 mAh
+2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
+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]
+5.3 + A2DP/LEAdvantage
Bluetooth 5.3 + A2DP/LE is newer and faster
vs2.1 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0, USB OTG On-The-Go
+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet
vsHTML, XHTML, Flash player
200 grams (7 ounces)vs+110 grams (3.85 ounces)82%
Lighter
Virtual proximity sensorvs+Proximity sensorAdvantage
Sensors help you use the device
LiPo: li-ion polymer (Non removable)vs+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supportedvs+Scratch-resistant glassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys

19 Common items in both devices
Plastic body, glass front
16 million
LED flash
Only digital zoom
Autofocus
EIS: Digital stabilization
Capacitive
+12 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 A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
ModelGalaxy A15 (SM-A155M/DSN 256GB)Xperia U (ST25a)
Other model namesGalaxy A15 4G LTE SM-A155M/Dual-SIM NFCSony Xperia U ST25, Sony Kumquat
Country or region available(Latin America)BoliviaBrazilColombia
(Latin America), Bolivia, Brazil, Colombia
(Latin America)BrazilCanadaUSA
(Latin America), Brazil, Canada, USA
BrandSamsungSony
Release date12/16/2023, Announced: 12/11/20235/7/2012
Depth8.4 millimeters (0.33 inches)12 millimeters (0.47 inches)
Size (width x height)76.8 x 160.1 millimeters (3.02 x 6.3 in)54 x 112 millimeters (2.13 x 4.41 in)
Weight200 grams (7 ounces)110 grams (3.85 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
Display typeSuper AMOLEDTFT LED-Backlit LCD
Screen size6.5" inches3.5" inches
Screen-to-body ratio~84.3% (screen-to-body ratio)~55.8% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)480x854 pixels (16:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 4-points
Pixel density (dot pitch)396 PPI280 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedScratch-resistant glass
Refresh rate90Hz60Hz
Display features800nits[peak]Not supported

🤖 Operating System

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
System versionAndroid 14Android 2.3.7 Gingerbread
Firmware updatefeature not registeredAndroid 4.0.4 Ice Cream Sandwich ICS
User InterfaceOne UI 6.1feature not registered

⚙️ Processor

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
Chipset64bit: MediaTek Helio G99 (6nm)32bit: ST-Ericsson NovaThor U8500 (45nm)
CPUOcta-core, 2 processors:
2x 2.2GHz ARM Cortex-A76 (Dual-core)
6x 2GHz ARM Cortex-A55 (Hexa-core)
Dual-core, 1 processor:
2x 1GHz ARM Cortex-A9 (Dual-core)
GPU graphical controllerARM Mali-G57 MC2ARM Mali-400 MP1
Performance (benchmark)AnTuTu: 317085 (v9), 375321 (v10)
Geekbench: 1928 (v5), 1936 (v6)
feature not registered

💽 Memory and storage

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
RAM memory8GB LPDDR4X512MB LPDDR2
Internal storage256GB (236GB available)
eMMC 5.1
8GB (4GB available)
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Not supported

📶 Mobile networks

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
Standard mini-SIM (2FF)
Maximum Download / Upload300/150 Mbps14.4/5.76 Mbps
Network technology2G, 3G, 4G2G, 3G
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 850/1900/2100
Primary 4G networkLTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Not supported
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkUMTS 850/900/1700/1900/2100Not supported
Secondary 4G networkLTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-ANot supported

📷 Camera

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
Back camera (main camera)(triple camera)
50 megapixels
5MP ultrawide f/2.2
2MP macro f/2.4
5 megapixels
Main camera resolution8160x6120 pixels2592x1944 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsHD (1280x720) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
AutofocusAutofocusAutofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo on both camerasNot supported
Camera extras1080p@30fps
720p@120fps (slow motion)
feature not registered

📸 Front camera

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
Front camera (secondary)13 megapixels0.3 megapixels
Front camera resolution4128x3096 pixels640x480 pixels
Video recording (secondary)Full HD (1920x1080)VGA (640x480)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
LoudspeakerMono sound (not stereo)Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)FM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.263, H.264, WMV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, eAAC+, WMA, WAV

🔌 Connectivity

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.3 + A2DP/LE2.1 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Virtual proximity sensor
Accelerometer
Ambient light sensor
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Removable)
BA600
Battery capacity5000 mAh1320 mAh
Charger, watts25W Wired fast chargingWired charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomy51 hours (2.1 days)5.6 hours
Standbyfeature not registered472 hours (19.7 days)

➕ Other features

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
Call controlVoice dialing, Voice recorder, Voice commandsVoice 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, Flash player
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow• Colors: Black, White
• Exchangeable bottom caps: White, Black, Pink, Yellow
• Sony Reality Display
• Sony Mobile BRAVIA Engine
• xLoud
• 3D surround sound
• WiFi hotspot
• Java framework

☢️ Radiation rate

Galaxy A15 (SM-A155M/DSN 256GB)Sony Xperia U (ST25a)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered1.09W/kg (head), 0.93W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered1.62W/kg (head)
X

🍪 We use cookies to provide and improve our services. By using this website, you consent to cookies. Further details: Privacy policy.