Sony Xperia U (ST25i) vs Samsung Galaxy A40s (SM-A3050)

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Side by side comparison between Sony Xperia U vs Samsung Galaxy A40s phones, differences, pros, cons and full specifications. What's the better?

5/4/2019 1:19 PM, updated: 11/10/2021 4:36 PM

Compare Samsung Galaxy A40s X Sony Xperia U (ST25i) 05Points

Specifications Compare Models Pictures

3.5"
LED

480x854

5
MP

0.3mp

512MB
RAM

Dual-core

1320
mAh

(Removable)

25Points Samsung Galaxy A40s (SM-A3050) Compare Sony Xperia U X

Specifications Compare Models Pictures

6.4"
AMOLED

720x1560

13
MP

16mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A40s (SM-A3050)

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!

5 Advantages Sony Xperia U (ST25i)	vs	25 Advantages Samsung Galaxy A40s (SM-A3050)
+110 grams (3.85 ounces)58% Lighter	vs	174 grams (6.09 ounces)
+280 PPI4% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	268 PPI
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+Scratch-resistant glassAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
1GHz 32bit Dual-core (45nm)	vs	+1.8GHz 64bit Octa-core2 times More powerful processor, you can open your applications faster
512MB LPDDR2	vs	+6GB LPDDR4X11 times More RAM memory. Typically more responsive and better for multitasking.
8GB (4GB available)	vs	+64GB (47GB available)11 times More internal storage for applications and files
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
12 millimeters (0.47 inches)	vs	+8.5 millimeters (0.33 inches)41% Thinner
TFT LED-Backlit LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
480x854 pixels	vs	+720x1560 pixels174% Higher resolution screen
3.5"	vs	+6.4"83% Larger screen
(back) 5MP	vs	+(triple camera) 13MP + 5MP + 5MP4 times Higher resolution main camera
Not supported	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) 0.3MP	vs	+(front) 16MP51 times Higher resolution secondary camera to take pictures and selfies
HD (1280x720)	vs	+Full HD (1920x1080)125% 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 ICS	vs	+Android 10Advantage Android 10 is newer and safer
3G HSUPA	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(3G HSUPA) 14.4 Mbps	vs	+(4G LTE-A) 600 Mbps41 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
1320 mAh	vs	+5000 mAh3 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 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
HTML, XHTML, Flash player	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet

20 Common items in both devices

Plastic body, glass front

16 million

LED flash

Only digital zoom

Autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

Capacitive

+13 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
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
Change model		Choose the model
Model	Xperia U (ST25i)	Galaxy A40s (SM-A3050)
Other model names	Sony Xperia U ST25, Sony Kumquat	Galaxy A40s SM-A3050ZKFC (64GB + 6GB RAM), Galaxy M30
Country or region available	(Global, International)	China, Hong Kong
Brand	Sony	Samsung
Release date	5/7/2012, Announced: 2/1/2012	3/7/2019
Depth	12 millimeters (0.47 inches)	8.5 millimeters (0.33 inches)
Size (width x height)	54 x 112 millimeters (2.13 x 4.41 in)	75.1 x 159 millimeters (2.96 x 6.26 in)
Weight	110 grams (3.85 ounces)	174 grams (6.09 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
Display type	TFT LED-Backlit LCD	Super AMOLED
Screen size	3.5" inches	6.4" inches
Screen-to-body ratio	~55.8% (screen-to-body ratio)	~84.2% (screen-to-body ratio)
Display resolution	480x854 pixels (16:9)	720x1560 pixels
Touchscreen	Capacitive Multitouch 4-points	Capacitive Multitouch
Pixel density (dot pitch)	280 PPI	268 PPI
Colors	16 million	16 million
Scratch-resistant glass	Scratch-resistant glass	Not supported
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
System version	Android 2.3.7 Gingerbread	Android 8.1 Oreo
Firmware update	Android 4.0.4 Ice Cream Sandwich ICS	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
Chipset	32bit: ST-Ericsson NovaThor U8500 (45nm)	64bit: Samsung Exynos 7 Octa 7904 (14nm)
CPU	Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core)	Octa-core, 2 processors: 2x 1.8GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core)
GPU graphical controller	ARM Mali-400 MP1	ARM Mali-G71 MP2
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
RAM memory	512MB LPDDR2	6GB LPDDR4X
Internal storage	8GB (4GB available)	64GB (47GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	14.4/5.76 Mbps	600/150 Mbps
Network technology	2G, 3G	2G, 3G, 4G
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 900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	Not supported	LTE Cat12/13 (Bands 1, 3, 4, 5, 7, 8, 12, 17) TD-LTE (Bands 34, 38, 39, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
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
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
Back camera (main camera)	5 megapixels	(triple camera) 13 megapixels 5MP ultrawide f/2.212mm 5MP depth f/2.2
Main camera resolution	2592x1944 pixels	4128x3096 pixels
Video recording (primary)	HD (1280x720) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	feature not registered	f/1.9 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	Not supported	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
Front camera (secondary)	0.3 megapixels	16 megapixels
Front camera resolution	640x480 pixels	4608x3456 pixels
Video recording (secondary)	VGA (640x480)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, H.263, H.264, WMV	MP4, H.264, H.263, WMV, MKV
Audio formats	MP3, eAAC+, WMA, WAV	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	2.1 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
Battery type	Li-Ion: lithium-ion (Removable) BA600	LiPo: li-ion polymer (Non removable)
Battery capacity	1320 mAh	5000 mAh
Charger, watts	Wired charging	15W Wired fast charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	5.6 hours	feature not registered
Standby	472 hours (19.7 days)	417 hours (17.4 days)
➕ Other features
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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, Flash player	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not 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, Gold • 19.5:9 display ratio FHD+ • Dolby Atmos sound
☢️ Radiation rate
	Sony Xperia U (ST25i)	Galaxy A40s (SM-A3050)
SAR 1.6W/kg (USA, Mexico, etc.)	1.09W/kg (head), 0.93W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	1.62W/kg (head)	feature not registered