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Sony Xperia U (ST25a) vs Samsung Galaxy M21s (SM-F415F/DS)

Side by side comparison between Sony Xperia U vs Samsung Galaxy M21s phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy M21s X Sony Xperia U (ST25a) 04Points
3.5"
LED

480x854

5
MP

0.3mp

512MB
RAM

Dual-core

1320
mAh

(Removable)

vs
27Points Samsung Galaxy M21s (SM-F415F/DS) Compare Sony Xperia U X
6.4"
AMOLED

1080x2340

64
MP

32mp

4GB
RAM

Octa-core

6000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M21s (SM-F415F/DS)

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!

Xperia U (ST25a)} 4 Advantages Sony Xperia U (ST25a) vs Galaxy M21s (SM-F415F/DS)} 27 Advantages Samsung Galaxy M21s (SM-F415F/DS)
+110 grams (3.85 ounces)74%
Lighter
vs191 grams (6.69 ounces)
+Proximity sensorAdvantage
Sensors help you use the device
vsVirtual proximity sensor
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
1GHz 32bit Dual-core (45nm)vs+2.3GHz 64bit Octa-core (10nm)3 times
More powerful processor, you can open your applications faster
512MB LPDDR2vs+4GB LPDDR4X7 times
More RAM memory. Typically more responsive and better for multitasking.
8GB (4GB available)vs+64GB (49GB available)11 times
More internal storage for applications and files
Not supportedvs+Until 512GB microSD, microSDXCAdvantage
More external storage for files using memory cards
12 millimeters (0.47 inches)vs+8.9 millimeters (0.35 inches)35%
Thinner
TFT LED-Backlit LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
480x854 pixelsvs+1080x2340 pixels5 times
Higher resolution screen
280 PPIvs+403 PPI44%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.5"vs+6.4"83%
Larger screen
(back) 5MPvs+(triple camera) 64MP + 8MP + 5MP14 times
Higher resolution main camera
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
Not supportedvs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
(front) 0.3MPvs+(front) 32MP103 times
Higher resolution secondary camera to take pictures and selfies
HD (1280x720)vs+4K UHD (3840x2160)8 times
More image quality for recording videos with the primary camera
(front) VGA (640x480)vs+(front) Full HD (1920x1080)6 times
More image quality for recording videos with the secondary camera
Android 4.0.4 Ice Cream Sandwich ICSvs+Android 12Advantage
Android 12 is newer and safer
3G HSUPAvs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(3G HSUPA) 14.4 Mbpsvs+(4G LTE-A) 300 Mbps20 times
Faster for surfing the internet and download files
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
1320 mAhvs+6000 mAh4 times
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
2.1 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Govs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
HTML, XHTML, Flash playervs+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet

21 Common items in both devices
Plastic body, glass front
60Hz
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
+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 Clear highlight

📱 Model features

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
 
ModelXperia U (ST25a)Galaxy M21s (SM-F415F/DS)
Other model namesSony Xperia U ST25, Sony KumquatGalaxy M21s SM-F415F/Dual-Sim (4GB RAM)
Country or region available(Latin America)BrazilCanadaUSA
(Latin America), Brazil, Canada, USA
(Latin America)Brazil
(Latin America), Brazil
BrandSonySamsung
Release date5/7/201211/6/2020
Depth12 millimeters (0.47 inches)8.9 millimeters (0.35 inches)
Size (width x height)54 x 112 millimeters (2.13 x 4.41 in)75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight110 grams (3.85 ounces)191 grams (6.69 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
Display typeTFT LED-Backlit LCDSuper AMOLED
Screen size3.5" inches6.4" inches
Screen-to-body ratio~55.8% (screen-to-body ratio)~84.1% (screen-to-body ratio)
Display resolution480x854 pixels (16:9)1080x2340 pixels (19.5:9)
TouchscreenCapacitive Multitouch 4-pointsCapacitive Multitouch
Pixel density (dot pitch)280 PPI403 PPI
Colors16 million16 million
Scratch-resistant glassScratch-resistant glassGorilla Glass 3
Refresh rate60Hz60Hz
Display featuresNot supported420nits[peak]

🤖 Operating System

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
System versionAndroid 2.3.7 GingerbreadAndroid 10
Firmware updateAndroid 4.0.4 Ice Cream Sandwich ICSAndroid 12
User Interfacefeature not registeredOne UI 2.5 / 3.1 / 4.1

⚙️ Processor

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
Chipset32bit: ST-Ericsson NovaThor U8500 (45nm)64bit: Samsung Exynos 9611 (10nm)
CPUDual-core, 1 processor:
2x 1GHz ARM Cortex-A9 (Dual-core)
Octa-core, 2 processors:
4x 2.3GHz ARM Cortex-A73 (Quad-core)
4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerARM Mali-400 MP1ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
RAM memory512MB LPDDR24GB LPDDR4X
Internal storage8GB (4GB available)64GB (49GB available)
UFS 2.1
External storageNot supportedUntil 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload14.4/5.76 Mbps300/50 Mbps
Network technology2G, 3G2G, 3G, 4G
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 850/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
Back camera (main camera)5 megapixels(triple camera)
64 megapixels
8MP ultrawide f/2.2123°12mm1/4"1.12µm
5MP depth f/2.2
Main camera resolution2592x1944 pixels10120x6328 pixels
Video recording (primary)HD (1280x720) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturefeature not registeredf/1.8 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/1.72" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRNot supportedHDR photo on both cameras
Camera extrasfeature not registered4K@30fps
1080p@30fps

📸 Front camera

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
Front camera (secondary)0.3 megapixels32 megapixels
Front camera resolution640x480 pixels6528x4896 pixels
Video recording (secondary)VGA (640x480)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.0 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/2.8" inches
Pixel sizefeature not registered0.8µm pixel

🔉 Sound and multimedia

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)FM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.263, H.264, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, eAAC+, WMA, WAVMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth2.1 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
SensorsAccelerometer
Ambient light sensor
Compass
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (rear-mounted)
Gyroscope
Virtual proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
Battery typeLi-Ion: lithium-ion (Removable)
BA600
LiPo: li-ion polymer (Non removable)
Battery capacity1320 mAh6000 mAh
Charger, wattsWired charging15W Wired fast charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomy5.6 hours48 hours (2 days)
Standby472 hours (19.7 days)feature not registered

➕ Other features

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
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, Flash playerHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• 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
• Colors: Black, Blue

☢️ Radiation rate

Sony Xperia U (ST25a)Galaxy M21s (SM-F415F/DS)
SAR 1.6W/kg (USA, Mexico, etc.)1.09W/kg (head), 0.93W/kg (body)0.383W/kg (head)
SAR 2W/kg (Europe, UK, etc.)1.62W/kg (head)feature not registered
X

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