Alcatel OT-991 (Single-sim) vs Sony Ericsson Vivaz Pro (U8i)
Side by side comparison between Alcatel OT-991 vs Sony Ericsson Vivaz Pro phones, differences, pros, cons and full specifications. What's the better?
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4"
TFT
TFT
320x480
3.1
MP
MP
0.3mp
256MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
vs
What's the better phone? Alcatel OT-991 (Single-sim)
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!
14 Advantages 
11 Advantages | 14 Common items in both devices |
| 256MB / 256MB SDRAM |
| TFT LCD |
| LED flash |
| Only digital zoom |
| 7.2 Mbps |
| Accelerometer |
| Li-Ion: lithium-ion (Removable) / LiPo: li-ion polymer (Removable) |
| +7 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 | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| Model | OT-991 (Single-sim) | Vivaz Pro (U8i) |
| Other model names | Alcatel One Touch 991, Alcatel 991 | Sony Ericsson Vivaz Pro U8, SE Kanna |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Alcatel | Sony Ericsson |
| Release date | 6/1/2012 | 5/1/2010 |
| Depth | 10.8 millimeters (0.43 inches) | 15 millimeters (0.59 inches) |
| Size (width x height) | 68 x 122 millimeters (2.68 x 4.8 in) | 52 x 109 millimeters (2.05 x 4.29 in) |
| Weight | 131 grams (4.59 ounces) | 117 grams (4.1 ounces) |
| Build, materials | feature not registered | Plastic body |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 4" inches | 3.2" inches |
| Screen-to-body ratio | ~57.4% (screen-to-body ratio) | ~49.8% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 360x640 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 144 PPI | 229 PPI |
| Colors | 260 thousand | 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 | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| System version | Android 2.3.6 Gingerbread | Symbian 9.4 S60 5th Edition Symbian^1 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| Chipset | 32bit: MediaTek MT6573 | 32bit |
| CPU | Single-core, 1 processor: 1x 800MHz ARM11 (Single-core) | Single-core, 1 processor: 1x 720MHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | PowerVR SGX531 | PowerVR SGX530 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| RAM memory | 256MB | 256MB SDRAM |
| Internal storage | 512MB (150MB available) | 512MB (75MB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 16GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| 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 Mbps | 7.2/2 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 | CSD, 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 | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| Back camera (main camera) | 3.1 megapixels | 5 megapixels |
| Main camera resolution | 2048x1536 pixels | 2560x1920 pixels |
| Video recording (primary) | VGA (720x480) 30 fps | HD (1280x720) 24 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 | Not supported | Autofocus |
| Touch focus | feature not registered | Not supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| Front camera (secondary) | 0.3 megapixels | Not supported |
| Front camera resolution | 640x480 pixels | Not supported |
| 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 | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | feature not registered |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264 | MP4, WMV, 3GP, RV |
| Audio formats | MP3, WAV, WMA, AAC+ | MP3, WMA, WAV, RA, AAC, M4A |
🔌 Connectivity | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Proprietary TV-out |
| Bluetooth | 4.0 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | feature not registered | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Removable) EP500 |
| Battery capacity | 1500 mAh | 1200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 10 hours | 5.2 hours |
| Standby | 400 hours (16.7 days) | 440 hours (18.3 days) |
➕ Other features | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| 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 | HTML, XHTML, Flash player | feature not registered |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Black, White • HAC (M3/T3) • WiFi hotspot Java framework | • Colors: Black, White • 8GB microSD included • 3D stereo sound • Continuous autofocus • Touch capture • WisePilot navigation Java framework |
☢️ Radiation rate | ||
| Alcatel OT-991 (Single-sim) | Sony Ericsson Vivaz Pro (U8i) | |
| 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 |