BlackBerry 7730 vs Blu Dash 4.0 (D271 Dual)
Side by side comparison between BlackBerry 7730 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!
0 Advantage 
26 Advantages | 3 Common items in both devices |
| TFT LCD |
| Li-Ion: lithium-ion (Removable) |
| Vibrating alert |
| + 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 | ||
| BlackBerry 7730 | Blu Dash 4.0 (D271 Dual) | |
| Change model | ||
| Model | BlackBerry 7730 | Dash 4.0 (D271 Dual) |
| Other model names | RIM BlackBerry 7730, BlackBerry 7780 | Blu Dash 4.0 Dual-SIM D271a, D271i |
| Country or region available | feature not registered |  (Global, International) |
| Brand | BlackBerry | Blu |
| Release date | 12/1/2003 | 9/1/2013, Announced: 1/1/2013 |
| Depth | 18 millimeters (0.71 inches) | 11.8 millimeters (0.46 inches) |
| Size (width x height) | 77 x 121 millimeters (3.03 x 4.76 in) | 63 x 124 millimeters (2.48 x 4.88 in) |
| Weight | 142 grams (4.97 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 | ||
| BlackBerry 7730 | Blu Dash 4.0 (D271 Dual) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 3" inches | 4" inches |
| Screen-to-body ratio | ~31.2% (screen-to-body ratio) | ~58.3% (screen-to-body ratio) |
| Display resolution | 240x240 pixels | 480x800 pixels |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 113 PPI | 233 PPI |
| Colors | 65 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| BlackBerry 7730 | Blu Dash 4.0 (D271 Dual) | |
| System version | BlackBerry OS 4.0 | Android 4.2.1 Jelly Bean |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| BlackBerry 7730 | Blu Dash 4.0 (D271 Dual) | |
| Chipset | ARM 9EJ-S Core | 32bit: Qualcomm Snapdragon S4 Play (MSM8225) (45nm) |
| CPU | Single-core, 1 processor: Single-core ARM9EJ-S (Single-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A5 (Dual-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 203 (320MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| BlackBerry 7730 | Blu Dash 4.0 (D271 Dual) | |
| RAM memory | 2MB | 512MB LPDDR |
| Internal storage | 16MB | 4GB (1.88GB available) eMMC 4.41 |
| External storage | Not supported | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| BlackBerry 7730 | 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 | 0.048 Mbps | 21/5.76 Mbps |
| Network technology | 2G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Tri-Band 900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 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 | GPRS | 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 | ||
| BlackBerry 7730 | Blu Dash 4.0 (D271 Dual) | |
| Back camera (main camera) | Not supported | 5 megapixels |
| Main camera resolution | Not supported | 2592x1944 pixels |
| Video recording (primary) | Not 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 | Not supported |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Not supported | 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 | ||
| BlackBerry 7730 | 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 | ||
| BlackBerry 7730 | Blu Dash 4.0 (D271 Dual) | |
| Loudspeaker | feature not registered | Supported |
| Active noise cancellation | feature not registered | 1 microphone |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | feature not registered | MP4, DivX, XviD, H.264, WMV |
| Audio formats | feature not registered | MP3, WAV, WMA, AAC |
🔌 Connectivity | ||
| BlackBerry 7730 | Blu Dash 4.0 (D271 Dual) | |
| USB | USB 1.1 proprietary connector | MicroUSB 2.0 |
| Audio output | 2.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | Not supported | 4.0 + A2DP |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| BlackBerry 7730 | Blu Dash 4.0 (D271 Dual) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| BlackBerry 7730 | Blu Dash 4.0 (D271 Dual) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | feature not registered | 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 | 200 hours (8.3 days) | 340 hours (14.2 days) |
➕ Other features | ||
| BlackBerry 7730 | Blu Dash 4.0 (D271 Dual) | |
| Call control | Not supported | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, E-mail | SMS (Swype), MMS, E-mail, Push mail |
| Hands-free calling | Not supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Monophonic | Polyphonic and customized |
| Web browser | WAP | HTML, XHTML, HTML5, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black Java framework | • Colors: Black, White Java framework |
☢️ Radiation rate | ||
| BlackBerry 7730 | 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 |