Samsung Galaxy Express 2 (SM-G3815) vs Samsung Galaxy 551 (GT-i5510M)
Side by side comparison between Samsung Galaxy Express 2 vs Samsung Galaxy 551 phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
TFT
TFT
540x960
5
MP
MP
0.3mp
1.5GB
RAM
RAM
Dual-core
2100
mAh
mAh
(Removable)
vs
3.2"
TFT
TFT
240x400
3.1
MP
MP
512MB
RAM
RAM
Single-core
1200
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!
22 Advantages 
1 Advantage | 16 Common items in both devices |
| TFT LCD |
| 16 million |
| Only digital zoom |
| Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| +9 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 | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| Change model | ||
| Model | Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) |
| Other model names | Samsung Galaxy Express II G3815 | Samsung Galaxy i5510M, Samsung Callisto |
| Country or region available |  (Global, International) |   (Latin America), Brazil |
| Brand | Samsung | Samsung |
| Release date | 10/1/2013 | 11/1/2010 |
| Depth | 9.8 millimeters (0.39 inches) | 15.2 millimeters (0.6 inches) |
| Size (width x height) | 65.7 x 132.4 millimeters (2.59 x 5.21 in) | 55 x 111 millimeters (2.17 x 4.37 in) |
| Weight | 134 grams (4.69 ounces) | 117 grams (4.1 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 4.5" inches | 3.2" inches |
| Screen-to-body ratio | ~64.2% (screen-to-body ratio) | ~47.7% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 240x400 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 245 PPI | 146 PPI |
| Colors | 16 million | 16 million |
| 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 | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| System version | Android 4.2.2 Jelly Bean | Android 2.2 Froyo |
| Firmware update | feature not registered | Android 2.3.6 Gingerbread |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8930AB | 32bit: Qualcomm Snapdragon S1 MSM7227 (65nm) |
| CPU | Dual-core, 1 processor: 2x 1.7GHz Krait 300 (Dual-core) | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) |
| GPU graphical controller | Qualcomm Adreno 305 | Qualcomm Adreno 200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| RAM memory | 1.5GB LPDDR2 | 512MB |
| Internal storage | 8GB | 512MB (173MB available) |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 100/50 Mbps | 7.2 Mbps |
| Network technology | 2G, 3G, 4G | 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 | UMTS 850/900/2100 | UMTS 850/2100 |
| Primary 4G network | LTE 800/900/1800/2600 | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| Back camera (main camera) | 5 megapixels | 3.1 megapixels |
| Main camera resolution | 2592x1944 pixels | 2048x1536 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | QVGA (320x240) 15 fps |
| Flash | LED flash | Not supported |
| Focal aperture | f/2.6 (aperture) | 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 | Autofocus |
| Touch focus | Supported | Not supported |
| Image stabilization | feature not registered | Not supported |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| Front camera (secondary) | 0.3 megapixels | Not supported |
| Front camera resolution | 640x480 pixels | Not supported |
| Video recording (secondary) | VGA (640x480) | 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 | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | 3GP, 3G2, MJPG, MP4, WMV, H.263 |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 4.0 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2100 mAh | 1200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 11 hours | 5 hours |
| Standby | 480 hours (20 days) | 370 hours (15.4 days) |
➕ Other features | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Blue, White • Samsung TouchWiz UI • Java framework | • Colors: Black • 1GB microSD included • Samsung TouchWiz 3.0 • Java framework |
☢️ Radiation rate | ||
| Galaxy Express 2 (SM-G3815) | Galaxy 551 (GT-i5510M) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.38W/kg (head), 0.7W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.38W/kg (head), 0.36W/kg (body) | feature not registered |