Sony Xperia U (ST25a) vs Sony Ericsson Mix Walkman (WT13a)
Side by side comparison between Sony Xperia U vs Sony Ericsson Mix Walkman phones, differences, pros, cons and full specifications. What's the better?
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3.5"
LED
LED
480x854
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
1320
mAh
mAh
(Removable)
vs
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!
28 Advantages 
2 Advantages | 13 Common items in both devices |
| Plastic body, glass front / Plastic body |
| Only digital zoom |
| Capacitive |
| Accelerometer |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| Vibrating alert |
| +6 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) | Sony Ericsson Mix Walkman (WT13a) | |
| Model | Xperia U (ST25a) | Mix Walkman (WT13a) |
| Other model names | Sony Xperia U ST25, Sony Kumquat | Sony Mix Walkman WT13 |
| Country or region available |     (Latin America), Brazil, Canada, USA | Canada, USA |
| Brand | Sony | Sony Ericsson |
| Release date | 5/7/2012 | 8/1/2011 |
| Depth | 12 millimeters (0.47 inches) | 14.3 millimeters (0.56 inches) |
| Size (width x height) | 54 x 112 millimeters (2.13 x 4.41 in) | 52.8 x 95.8 millimeters (2.08 x 3.77 in) |
| Weight | 110 grams (3.85 ounces) | 88 grams (3.08 ounces) |
| Build, materials | Plastic body, glass front | Plastic body |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Sony Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| Display type | TFT LED-Backlit LCD | TFT LCD |
| Screen size | 3.5" inches | 3" inches |
| Screen-to-body ratio | ~55.8% (screen-to-body ratio) | ~50.6% (screen-to-body ratio) |
| Display resolution | 480x854 pixels (16:9) | 240x400 pixels |
| Touchscreen | Capacitive Multitouch 4-points | Capacitive Single touch 1-point |
| Pixel density (dot pitch) | 280 PPI | 155 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Scratch-resistant glass | Scratch-resistant glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Sony Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| System version | Android 2.3.7 Gingerbread | Proprietary OS |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| Chipset | 32bit: ST-Ericsson NovaThor U8500 (45nm) | 32bit: STE 4910 |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Single-core, 1 processor: 1x 250MHz |
| GPU graphical controller | ARM Mali-400 MP1 | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| RAM memory | 512MB LPDDR2 | 64MB SDRAM |
| Internal storage | 8GB (4GB available) | 256MB (100MB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Sony Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| 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 | 14.4/5.76 Mbps | 0.2 Mbps |
| Network technology | 2G, 3G | 2G |
| 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 850/1900/2100 | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE |
| 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 Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| Back camera (main camera) | 5 megapixels | 3.1 megapixels |
| Main camera resolution | 2592x1944 pixels | 2048x1536 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | QVGA (320x240) |
| Flash | LED flash | 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 |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | EIS: Digital stabilization | Not supported |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| Front camera (secondary) | 0.3 megapixels | Not supported |
| Front camera resolution | 640x480 pixels | Not supported |
| Video recording (secondary) | VGA (640x480) | Not supported |
| 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 Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263, H.264, WMV | MP4, H.263 |
| Audio formats | MP3, eAAC+, WMA, WAV | MP3, WMA, eAAC+ |
🔌 Connectivity | ||
| Sony Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| 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/n [wifi4] (2.4GHz) | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| Battery type | Li-Ion: lithium-ion (Removable) BA600 | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1320 mAh | 1000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 5.6 hours | 9.6 hours |
| Standby | 472 hours (19.7 days) | 465 hours (19.4 days) |
➕ Other features | ||
| Sony Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | WAP, HTML |
| 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, White, Red, Silver, Green • SNS integration • SensMe • Java framework |
☢️ Radiation rate | ||
| Sony Xperia U (ST25a) | Sony Ericsson Mix Walkman (WT13a) | |
| 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 |