Acer C6 Liquid Express vs Alcatel OT-991 (Single-sim)
Side by side comparison between Acer C6 Liquid Express vs Alcatel OT-991 phones, differences, pros, cons and full specifications. What's the better?
,
vs
4"
TFT
TFT
320x480
3.1
MP
MP
0.3mp
256MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
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!
7 Advantages 
8 Advantages | 20 Common items in both devices |
| 800MHz 32bit Single-core |
| Until 32GB microSD, microSDHC |
| TFT LCD |
| 260 thousand |
| 320x480 pixels |
| LED flash |
| Only digital zoom |
| +13 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 | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| Change model | ||
| Model | Acer C6 Liquid Express | OT-991 (Single-sim) |
| Other model names | Orange Acer C6, Acer Liquid Express E320 | Alcatel One Touch 991, Alcatel 991 |
| Country or region available |    Scotland, England, Ireland | feature not registered |
| Brand | Acer | Alcatel |
| Release date | 11/1/2011 | 6/1/2012 |
| Depth | 13.4 millimeters (0.53 inches) | 10.8 millimeters (0.43 inches) |
| Size (width x height) | 60.8 x 115 millimeters (2.39 x 4.53 in) | 68 x 122 millimeters (2.68 x 4.8 in) |
| Weight | 138 grams (4.83 ounces) | 131 grams (4.59 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 3.5" inches | 4" inches |
| Screen-to-body ratio | ~52.2% (screen-to-body ratio) | ~57.4% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 320x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 165 PPI | 144 PPI |
| Colors | 260 thousand | 260 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| System version | Android 2.3.3 Gingerbread | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| Chipset | 32bit: Qualcomm Snapdragon S1 MSM7227 Turbo (65nm) | 32bit: MediaTek MT6573 |
| CPU | Single-core, 1 processor: 1x 800MHz ARM1136EJ-S (Single-core) | Single-core, 1 processor: 1x 800MHz ARM11 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 200 | PowerVR SGX531 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| RAM memory | 512MB | 256MB |
| Internal storage | 512MB | 512MB (150MB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| 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 | 7.2 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 900/2100 | 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, UMTS, HSDPA |
| 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 | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| Back camera (main camera) | 5 megapixels | 3.1 megapixels |
| Main camera resolution | 2592x1944 pixels | 2048x1536 pixels |
| Video recording (primary) | VGA (720x480) 30 fps | VGA (720x480) 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 | Not supported |
| Touch focus | Not supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | Not supported | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| 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 | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | feature not registered |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, WMV, H.263, H.264 | MP4, H.264 |
| Audio formats | MP3, WMA, WAV, eAAC+ | MP3, WAV, WMA, AAC+ |
🔌 Connectivity | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1300 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 6.7 hours | 10 hours |
| Standby | 480 hours (20 days) | 400 hours (16.7 days) |
➕ Other features | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| 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 | 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: Black • 2GB microSD included • Acer Breeze UI • Acer SocialJogger • Panorama photo • UPnP • WiFi hotspot • Java framework | • Colors: Black, White • HAC (M3/T3) • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Acer C6 Liquid Express | Alcatel OT-991 (Single-sim) | |
| 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 |