Sony Ericsson Z780 vs Sony Xperia U (ST25i)
Side by side comparison between Sony Ericsson Z780 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 (ST25i)
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 
22 Advantages | 8 Common items in both devices |
| Only digital zoom |
| LiPo: li-ion polymer (Removable) / Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| Video calling |
| Vibrating alert |
| FM / FM (RDS) |
| A-GPS / A-GPS, GeoTagging |
| + 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 Z780 | Sony Xperia U (ST25i) | |
| Change model | ||
| Model | Sony Ericsson Z780 | Xperia U (ST25i) |
| Other model names | Sony Ericsson Z780i, Sony Ericsson Z780a | Sony Xperia U ST25, Sony Kumquat |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Sony Ericsson | Sony |
| Release date | 6/12/2008 | 5/7/2012, Announced: 2/1/2012 |
| Depth | 16 millimeters (0.63 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 49 x 92 millimeters (1.93 x 3.62 in) | 54 x 112 millimeters (2.13 x 4.41 in) |
| Weight | 100 grams (3.5 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 Z780 | Sony Xperia U (ST25i) | |
| Display type | TFT LCD | TFT LED-Backlit LCD |
| Screen size | 2.2" inches | 3.5" inches |
| Screen-to-body ratio | ~33.2% (screen-to-body ratio) | ~55.8% (screen-to-body ratio) |
| Display resolution | 240x320 pixels | 480x854 pixels (16:9) |
| Touchscreen | Not supported | Capacitive Multitouch 4-points |
| Pixel density (dot pitch) | 182 PPI | 280 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Scratch-resistant glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Sony Ericsson Z780 | Sony Xperia U (ST25i) | |
| System version | Proprietary OS | 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 Z780 | Sony Xperia U (ST25i) | |
| Chipset | feature not registered | 32bit: ST-Ericsson NovaThor U8500 (45nm) |
| CPU | Single-core, 1 processor: Single-core | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | feature not registered | ARM Mali-400 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Ericsson Z780 | Sony Xperia U (ST25i) | |
| RAM memory | feature not registered | 512MB LPDDR2 |
| Internal storage | 35MB | 8GB (4GB available) |
| External storage | Until 8GB Memory Stick micro M2 (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Sony Ericsson Z780 | Sony Xperia U (ST25i) | |
| 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 | 3.6 Mbps | 14.4/5.76 Mbps |
| Network technology | 2G | 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 | Not supported | UMTS 900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA | 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 Z780 | Sony Xperia U (ST25i) | |
| Back camera (main camera) | 2 megapixels | 5 megapixels |
| Main camera resolution | 1600x1200 pixels | 2592x1944 pixels |
| Video recording (primary) | Supported | HD (1280x720) 30 fps |
| Flash | Not supported | 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 | Not supported | Autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Ericsson Z780 | Sony Xperia U (ST25i) | |
| 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 Z780 | Sony Xperia U (ST25i) | |
| 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, H.264, H.263, 3GPP | MP4, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, eAAC+, WMA, WAV |
🔌 Connectivity | ||
| Sony Ericsson Z780 | Sony Xperia U (ST25i) | |
| USB | USB 2.0 proprietary connector | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | proprietary audio output | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.0 + A2DP | 2.1 + A2DP |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | feature not registered | Supported |
| GPS | A-GPS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Sony Ericsson Z780 | Sony Xperia U (ST25i) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Ericsson Z780 | Sony Xperia U (ST25i) | |
| Battery type | LiPo: li-ion polymer (Removable) | Li-Ion: lithium-ion (Removable) BA600 |
| Battery capacity | 950 mAh | 1320 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 4.5 hours | 5.6 hours |
| Standby | 350 hours (14.6 days) | 472 hours (19.7 days) |
➕ Other features | ||
| Sony Ericsson Z780 | Sony Xperia U (ST25i) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-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 | Not supported | Not supported |
| Miscellaneous | • Colors: Grand Onyx, Amethyst Silver, Green, Yellow, Red • Second external monochrome display 36x128 pixels 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 Z780 | Sony Xperia U (ST25i) | |
| 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) |