Sony Ericsson Vivaz Pro (U8i) vs Sony Xperia U (ST25a)

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

5/11/2020 4:40 PM, updated: 11/10/2021 4:36 PM

Compare Sony Xperia U X Sony Ericsson Vivaz Pro (U8i) 02Points

Specifications Compare Models Pictures

3.2"
TFT

360x640

5
MP

256MB
RAM

Single-core

1200
mAh

(Removable)

18Points Sony Xperia U (ST25a) Compare Sony Ericsson Vivaz Pro X

Specifications Compare Models Pictures

3.5"
LED

480x854

5
MP

0.3mp

512MB
RAM

Dual-core

1320
mAh

(Removable)

What's the better phone? Sony Xperia U (ST25a)

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!

2 Advantages Sony Ericsson Vivaz Pro (U8i)	vs	18 Advantages Sony Xperia U (ST25a)
+Until 16GB microSD, microSDHCAdvantage More external storage for files using memory cards	vs	Not supported
+Proprietary TV-outAdvantage The TV-output lets you use your device on TV by cable	vs	Not supported
720MHz 32bit Single-core	vs	+1GHz 32bit Dual-core (45nm)75% More powerful processor, you can open your applications faster
256MB SDRAM	vs	+512MB LPDDR2100% More RAM memory. Typically more responsive and better for multitasking.
512MB (75MB available)	vs	+8GB (4GB available)54 times More internal storage for applications and files
117 grams (4.1 ounces)	vs	+110 grams (3.85 ounces)6% Lighter
15 millimeters (0.59 inches)	vs	+12 millimeters (0.47 inches)25% Thinner
TFT LCD	vs	+TFT LED-Backlit LCDAdvantage TFT LED-Backlit LCD display is brighter and more vivid
360x640 pixels	vs	+480x854 pixels78% Higher resolution screen
229 PPI	vs	+280 PPI22% Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.2"	vs	+3.5"9% Larger screen
Not supported	vs	+(front) 0.3MPAdvantage A front-camera is best for taking selfies
50000 apps (Nokia Ovi Store)	vs	+3500000 apps (Google Play Store)69 times More apps available to download and use
(3G HSUPA) 7.2 Mbps	vs	+(3G HSUPA) 14.4 Mbps100% Faster for surfing the internet and download files
Resistive	vs	+CapacitiveAdvantage Better touchscreen. The capacitive screen is much more sensitive.
Single	vs	+MultitouchAdvantage Better touch type. Multitouch allows to use more fingers at the same time.
Not supported	vs	+CompassAdvantage Sensors help you use the device
Not supported	vs	+Proximity sensorAdvantage Sensors help you use the device
1200 mAh	vs	+1320 mAh10% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
802.11 b/g [wifi3]	vs	+802.11 b/g/n [wifi4]Advantage WiFi 802.11 b/g/n [wifi4] is newer and faster

22 Common items in both devices

Plastic body / Plastic body, glass front

16 million

(back) 5MP

LED flash

Only digital zoom

Autofocus

EIS: Digital stabilization

+15 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 Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
Change model		Choose the model
Model	Vivaz Pro (U8i)	Xperia U (ST25a)
Other model names	Sony Ericsson Vivaz Pro U8, SE Kanna	Sony Xperia U ST25, Sony Kumquat
Country or region available	(Global, International)	(Latin America), Brazil, Canada, USA
Brand	Sony Ericsson	Sony
Release date	5/1/2010	5/7/2012
Depth	15 millimeters (0.59 inches)	12 millimeters (0.47 inches)
Size (width x height)	52 x 109 millimeters (2.05 x 4.29 in)	54 x 112 millimeters (2.13 x 4.41 in)
Weight	117 grams (4.1 ounces)	110 grams (3.85 ounces)
Build, materials	Plastic body	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Sony Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
Display type	TFT LCD	TFT LED-Backlit LCD
Screen size	3.2" inches	3.5" inches
Screen-to-body ratio	~49.8% (screen-to-body ratio)	~55.8% (screen-to-body ratio)
Display resolution	360x640 pixels	480x854 pixels (16:9)
Touchscreen	Resistive Single touch 1-point	Capacitive Multitouch 4-points
Pixel density (dot pitch)	229 PPI	280 PPI
Colors	16 million	16 million
Scratch-resistant glass	Scratch-resistant glass	Scratch-resistant glass
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Sony Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
System version	Symbian 9.4 S60 5th Edition Symbian^1	Android 2.3.7 Gingerbread
Firmware update	feature not registered	Android 4.0.4 Ice Cream Sandwich ICS
User Interface	feature not registered	feature not registered
⚙️ Processor
	Sony Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
Chipset	32bit	32bit: ST-Ericsson NovaThor U8500 (45nm)
CPU	Single-core, 1 processor: 1x 720MHz ARM Cortex-A8 (Single-core)	Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core)
GPU graphical controller	PowerVR SGX530	ARM Mali-400 MP1
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Sony Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
RAM memory	256MB SDRAM	512MB LPDDR2
Internal storage	512MB (75MB available)	8GB (4GB available)
External storage	Until 16GB microSD, microSDHC (dedicated slot)	Not supported
📶 Mobile networks
	Sony Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
Dual-SIM	Not supported	Not supported
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)	1 slot (Single-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	7.2/2 Mbps	14.4/5.76 Mbps
Network technology	2G, 3G	2G, 3G
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	GSM 850/900/1800/1900
Primary 3G network	UMTS 900/2100	UMTS 850/1900/2100
Primary 4G network	Not supported	Not supported
Primary 5G network	Not supported	Not supported
Primary data network	CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA	GPRS, EDGE, UMTS, HSDPA, HSUPA
Secondary 2G network	Not supported	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	Not supported
📷 Camera
	Sony Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
Back camera (main camera)	5 megapixels	5 megapixels
Main camera resolution	2560x1920 pixels	2592x1944 pixels
Video recording (primary)	HD (1280x720) 24 fps	HD (1280x720) 30 fps
Flash	LED flash	LED flash
Focal aperture	feature not registered	feature not registered
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	Autofocus
Touch focus	Not supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	Not supported	Not supported
Camera extras	feature not registered	feature not registered
📸 Front camera
	Sony Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
Front camera (secondary)	Not supported	0.3 megapixels
Front camera resolution	Not supported	640x480 pixels
Video recording (secondary)	Not supported	VGA (640x480)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	feature not registered
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 Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
Loudspeaker	Supported	Supported
Active noise cancellation	feature not registered	2 microphones or more
Radio	FM	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, WMV, 3GP, RV	MP4, H.263, H.264, WMV
Audio formats	MP3, WMA, WAV, RA, AAC, M4A	MP3, eAAC+, WMA, WAV
🔌 Connectivity
	Sony Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
USB	MicroUSB 2.0	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Proprietary TV-out	Not supported
Bluetooth	2.1 + A2DP	2.1 + A2DP
WiFi	802.11 b/g [wifi3] (2.4GHz)	802.11 b/g/n [wifi4] (2.4GHz)
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Sony Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
Sensors	Accelerometer Ambient light sensor	Accelerometer Ambient light sensor Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Sony Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
Battery type	LiPo: li-ion polymer (Removable) EP500	Li-Ion: lithium-ion (Removable) BA600
Battery capacity	1200 mAh	1320 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	5.2 hours	5.6 hours
Standby	440 hours (18.3 days)	472 hours (19.7 days)
➕ Other features
	Sony Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
Call control	Voice recorder	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	feature not registered	HTML, XHTML, Flash player
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Retractable QWERTY keyboard	Not supported
Miscellaneous	• Colors: Black, White • 8GB microSD included • 3D stereo sound • Continuous autofocus • Touch capture • WisePilot navigation • Java framework	• 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
	Sony Ericsson Vivaz Pro (U8i)	Sony Xperia U (ST25a)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.09W/kg (head), 0.93W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	1.62W/kg (head)