Sony Ericsson Xperia X10a vs Sony Xperia U (ST25a)
Side by side comparison between Sony Ericsson Xperia X10 vs Sony Xperia U phones, differences, pros, cons and full specifications. What's the better?
,
vs
3.5"
LED
LED
480x854
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
1320
mAh
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!
4 Advantages 
16 Advantages | 21 Common items in both devices |
| 480x854 pixels |
| LED flash |
| Only digital zoom |
| Autofocus |
| HD (1280x720) |
| 3G HSUPA |
| Capacitive |
| +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 Ericsson Xperia X10a | Sony Xperia U (ST25a) | |
| Model | Xperia X10a | Xperia U (ST25a) |
| Other model names | AT&T Sony Xperia X10, Rogers X10a, Telstra X10a, SE Rachael | Sony Xperia U ST25, Sony Kumquat |
| Country or region available |      (Latin America), Australia, Canada, USA, Japan |  (Latin America), Brazil, Canada, USA |
| Brand | Sony Ericsson | Sony |
| Release date | 3/25/2010 | 5/7/2012 |
| Depth | 13 millimeters (0.51 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 63 x 119 millimeters (2.48 x 4.69 in) | 54 x 112 millimeters (2.13 x 4.41 in) |
| Weight | 135 grams (4.73 ounces) | 110 grams (3.85 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Sony Ericsson Xperia X10a | Sony Xperia U (ST25a) | |
| Display type | TFT LCD | TFT LED-Backlit LCD |
| Screen size | 4" inches | 3.5" inches |
| Screen-to-body ratio | ~58.8% (screen-to-body ratio) | ~55.8% (screen-to-body ratio) |
| Display resolution | 480x854 pixels | 480x854 pixels (16:9) |
| Touchscreen | Capacitive Single touch 1-point | Capacitive Multitouch 4-points |
| Pixel density (dot pitch) | 245 PPI | 280 PPI |
| Colors | 65 thousand | 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 Xperia X10a | Sony Xperia U (ST25a) | |
| System version | Android 1.6 Donut | Android 2.3.7 Gingerbread |
| Firmware update | Android 2.3.4 Gingerbread | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Ericsson Xperia X10a | Sony Xperia U (ST25a) | |
| Chipset | 32bit: Qualcomm Snapdragon QSD8250 | 32bit: ST-Ericsson NovaThor U8500 (45nm) |
| CPU | Single-core, 1 processor: 1x 1GHz Scorpion (Single-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 200 | ARM Mali-400 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Ericsson Xperia X10a | Sony Xperia U (ST25a) | |
| RAM memory | 384MB | 512MB LPDDR2 |
| Internal storage | 1GB (465MB available) | 8GB (4GB available) |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Sony Ericsson Xperia X10a | 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 800/850/1900/2100 | 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 Xperia X10a | Sony Xperia U (ST25a) | |
| Back camera (main camera) | 8 megapixels | 5 megapixels |
| Main camera resolution | 3264x2448 pixels | 2592x1944 pixels |
| Video recording (primary) | HD (1280x720) 30 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 | Supported | Supported |
| Image stabilization | feature not registered | 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 | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Ericsson Xperia X10a | 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 Xperia X10a | Sony Xperia U (ST25a) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263, H.264, WMV | MP4, H.263, H.264, WMV |
| Audio formats | MP3, eAAC+, WMA, WAV | MP3, eAAC+, WMA, WAV |
🔌 Connectivity | ||
| Sony Ericsson Xperia X10a | 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 | Not supported | 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 Xperia X10a | Sony Xperia U (ST25a) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Ericsson Xperia X10a | Sony Xperia U (ST25a) | |
| Battery type | LiPo: li-ion polymer (Removable) BST-41 | Li-Ion: lithium-ion (Removable) BA600 |
| Battery capacity | 1500 mAh | 1320 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 8 hours | 5.6 hours |
| Standby | 425 hours (17.7 days) | 472 hours (19.7 days) |
➕ Other features | ||
| Sony Ericsson Xperia X10a | Sony Xperia U (ST25a) | |
| Call control | Voice dialing, 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 | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Sensous Black, Luster White • 8GB microSD included • SE UX platform • Open GL 2.0 • PlayNow • Sony Ericsson Timescape • Video recording 720p only via Android 2.1/2.3 update 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 Xperia X10a | 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) |