LG Optimus 7 (E900) vs Blu Dash 4.0 (D271 Dual)
Side by side comparison between LG Optimus 7 vs Blu Dash 4.0 phones, differences, pros, cons and full specifications. What's the better?
,
vs
4"
TFT
TFT
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
1500
mAh
mAh
(Removable)
What's the better phone? Blu Dash 4.0 (D271 Dual)
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!
6 Advantages 
11 Advantages | 22 Common items in both devices |
| 512MB / 512MB LPDDR |
| TFT LCD |
| 16 million |
| 480x800 pixels |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| +15 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 | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| Change model | ||
| Model | Optimus 7 (E900) | Dash 4.0 (D271 Dual) |
| Other model names | LG E900 Optimus 7, LG Optimus 7 E900 | Blu Dash 4.0 Dual-SIM D271a, D271i |
| Country or region available | feature not registered |  (Global, International) |
| Brand | LG | Blu |
| Release date | 11/9/2010 | 9/1/2013, Announced: 1/1/2013 |
| Depth | 11.5 millimeters (0.45 inches) | 11.8 millimeters (0.46 inches) |
| Size (width x height) | 59.8 x 125 millimeters (2.35 x 4.92 in) | 63 x 124 millimeters (2.48 x 4.88 in) |
| Weight | 157 grams (5.5 ounces) | 134 grams (4.69 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 3.8" inches | 4" inches |
| Screen-to-body ratio | ~55% (screen-to-body ratio) | ~58.3% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 246 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| System version | Windows Phone 7.0 | Android 4.2.1 Jelly Bean |
| Firmware update | Windows Phone 7.5 Refresh Tango | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| Chipset | 32bit: Qualcomm Snapdragon S1 QSD8650 | 32bit: Qualcomm Snapdragon S4 Play (MSM8225) (45nm) |
| CPU | Single-core, 1 processor: 1x 1GHz Scorpion (Single-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A5 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 200 | Qualcomm Adreno 203 (320MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| RAM memory | 512MB | 512MB LPDDR |
| Internal storage | 16GB | 4GB (1.88GB available) eMMC 4.41 |
| External storage | Not supported | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 21/5.76 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 | D271a: UMTS 850/1900 D271i: UMTS 850/2100 |
| 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, HSPA+ |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2560x1920 pixels | 2592x1944 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 | Not supported |
| 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 | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| 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 | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 1 microphone |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, WMV | MP4, DivX, XviD, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, AAC |
🔌 Connectivity | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| 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) WiFi hotspot |
| DLNA | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1500 mAh | 1500 mAh |
| Charger, watts | Wired charging | 5W Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 5 hours | 8 hours |
| Standby | 330 hours (13.8 days) | 340 hours (14.2 days) |
➕ Other features | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | feature not registered | HTML, XHTML, HTML5, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • LG S-Class UI • DLNA • Bing Maps | • Colors: Black, White Java framework |
☢️ Radiation rate | ||
| LG Optimus 7 (E900) | Blu Dash 4.0 (D271 Dual) | |
| 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 |