Blu Dash 4.0 (D271 Dual) vs Samsung Galaxy Express 2 (SM-G3815)
Side by side comparison between Blu Dash 4.0 vs Samsung Galaxy Express 2 phones, differences, pros, cons and full specifications. What's the better?
,
4"
TFT
TFT
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
1500
mAh
mAh
(Removable)
vs
4.5"
TFT
TFT
540x960
5
MP
MP
0.3mp
1.5GB
RAM
RAM
Dual-core
2100
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy Express 2 (SM-G3815)
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!
1 Advantage 
17 Advantages | 26 Common items in both devices |
| Until 64GB microSD, microSDXC |
| 134 grams (4.69 ounces) |
| TFT LCD |
| 16 million |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| +19 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 | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| Model | Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) |
| Other model names | Blu Dash 4.0 Dual-SIM D271a, D271i | Samsung Galaxy Express II G3815 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Blu | Samsung |
| Release date | 9/1/2013, Announced: 1/1/2013 | 10/1/2013 |
| Depth | 11.8 millimeters (0.46 inches) | 9.8 millimeters (0.39 inches) |
| Size (width x height) | 63 x 124 millimeters (2.48 x 4.88 in) | 65.7 x 132.4 millimeters (2.59 x 5.21 in) |
| Weight | 134 grams (4.69 ounces) | 134 grams (4.69 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 4" inches | 4.5" inches |
| Screen-to-body ratio | ~58.3% (screen-to-body ratio) | ~64.2% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 245 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| System version | Android 4.2.1 Jelly Bean | Android 4.2.2 Jelly Bean |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| Chipset | 32bit: Qualcomm Snapdragon S4 Play (MSM8225) (45nm) | 32bit: Qualcomm Snapdragon 400 MSM8930AB |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A5 (Dual-core) | Dual-core, 1 processor: 2x 1.7GHz Krait 300 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 203 (320MHz) | Qualcomm Adreno 305 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| RAM memory | 512MB LPDDR | 1.5GB LPDDR2 |
| Internal storage | 4GB (1.88GB available) eMMC 4.41 | 8GB |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 100/50 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| 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 | D271a: UMTS 850/1900 D271i: UMTS 850/2100 | UMTS 850/900/2100 |
| Primary 4G network | Not supported | LTE 800/900/1800/2600 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1944 pixels | 2592x1944 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/2.6 (aperture) |
| 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 | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| Front camera (secondary) | 0.3 megapixels | 0.3 megapixels |
| Front camera resolution | 640x480 pixels | 640x480 pixels |
| Video recording (secondary) | VGA (640x480) | 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 | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 1 microphone | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.264, WMV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, AAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB MHL |
| Bluetooth | 4.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1500 mAh | 2100 mAh |
| Charger, watts | 5W Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 8 hours | 11 hours |
| Standby | 340 hours (14.2 days) | 480 hours (20 days) |
➕ Other features | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (Swype), 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, HTML5, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White Java framework | • Colors: Blue, White • Samsung TouchWiz UI Java framework |
☢️ Radiation rate | ||
| Blu Dash 4.0 (D271 Dual) | Galaxy Express 2 (SM-G3815) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.38W/kg (head), 0.7W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.38W/kg (head), 0.36W/kg (body) |