Sony Ericsson Vivaz (U5a) vs Sony Ericsson Xperia Ray (ST18a)
Side by side comparison between Sony Ericsson Vivaz vs Sony Ericsson Xperia Ray phones, differences, pros, cons and full specifications. What's the better?
,
vs
4"
LED
LED
480x854
8
MP
MP
0.3mp
512MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
What's the better phone? Sony Ericsson Xperia Ray (ST18a)
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!
3 Advantages 
17 Advantages | 21 Common items in both devices |
| Until 32GB microSD, microSDHC |
| 16 million |
| (back) 8MP |
| LED flash |
| Only digital zoom |
| Autofocus |
| HD (1280x720) |
| +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 Vivaz (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| Model | Vivaz (U5a) | Xperia Ray (ST18a) |
| Other model names | Sony Ericsson Vivaz U5A, SE Kurara | Sony Ericsson Xperia Ray ST18, SE Urushi |
| Country or region available |    (Latin America), Canada, USA | (Latin America), Canada, USA |
| Brand | Sony Ericsson | Sony Ericsson |
| Release date | 3/4/2010 | 9/1/2011 |
| Depth | 12.5 millimeters (0.49 inches) | 9.4 millimeters (0.37 inches) |
| Size (width x height) | 51.7 x 107 millimeters (2.04 x 4.21 in) | 53 x 111 millimeters (2.09 x 4.37 in) |
| Weight | 97 grams (3.4 ounces) | 100 grams (3.5 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Sony Ericsson Vivaz (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| Display type | TFT LCD | TFT LED-Backlit LCD |
| Screen size | 3.2" inches | 4" inches |
| Screen-to-body ratio | ~51% (screen-to-body ratio) | ~74.9% (screen-to-body ratio) |
| Display resolution | 360x640 pixels | 480x854 pixels |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 229 PPI | 245 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Scratch-resistant glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Sony Ericsson Vivaz (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| System version | Symbian 9.4 S60 5th Edition Symbian^1 | Android 2.3.3 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 (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| Chipset | 32bit | 32bit: Qualcomm Snapdragon S2 MSM8255 (45nm) |
| CPU | Single-core, 1 processor: 1x 720MHz ARM Cortex-A8 (Single-core) | Single-core, 1 processor: 1x 1GHz Scorpion (Single-core) |
| GPU graphical controller | PowerVR SGX530 | Qualcomm Adreno 205 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Ericsson Vivaz (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| RAM memory | 256MB SDRAM | 512MB LPDDR2 |
| Internal storage | 512MB (75MB available) | 1GB (300MB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Sony Ericsson Vivaz (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| 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 | 10.2/2 Mbps | 7.2/5.76 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 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 Vivaz (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| Back camera (main camera) | 8 megapixels | 8 megapixels |
| Main camera resolution | 3264x2448 pixels | 3264x2448 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 | 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 |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Ericsson Vivaz (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| Front camera (secondary) | Not supported | 0.3 megapixels |
| Front camera resolution | Not supported | 640x480 pixels |
| Video recording (secondary) | Not supported | 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 Ericsson Vivaz (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, WMV, 3GP, RV | MP4, H.264, H.263 |
| Audio formats | MP3, WMA, WAV, RA, AAC, M4A | MP3, WAV |
🔌 Connectivity | ||
| Sony Ericsson Vivaz (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| 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 (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| Sensors | Accelerometer Ambient light sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Ericsson Vivaz (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| Battery type | LiPo: li-ion polymer (Removable) EP500 | Li-Ion: lithium-ion (Removable) BA700 |
| Battery capacity | 1200 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5.3 hours | 7 hours |
| Standby | 440 hours (18.3 days) | 440 hours (18.3 days) |
➕ Other features | ||
| Sony Ericsson Vivaz (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| Call control | Voice recorder | 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 | WAP, HTML, Flash player | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Blue, Red, Gray, Light pink • 8GB microSD included • 3D stereo sound • Continuous autofocus • Touch capture • WisePilot navigation • Java framework | • Colors: Black, Gold, White, Pink • 4GB microSD included • Open ES 1.1 • Video stabilizer • PlayNow • Sony Mobile BRAVIA Engine • SE Timescape • Wi-Fi Mobile Hotspot • Java framework |
☢️ Radiation rate | ||
| Sony Ericsson Vivaz (U5a) | Sony Ericsson Xperia Ray (ST18a) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |