Samsung Focus Flash (SGH-i677) vs Samsung Galaxy Core 2 Duos (SM-G355M/DS)
Side by side comparison between Samsung Focus Flash vs Samsung Galaxy Core 2 phones, differences, pros, cons and full specifications. What's the better?
,
3.7"
AMOLED
AMOLED
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
vs
4.5"
TFT
TFT
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Quad-core
2000
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy Core 2 Duos (SM-G355M/DS)
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 | 23 Common items in both devices |
| 512MB LPDDR2 |
| 480x800 pixels |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| Autofocus |
| (front) 0.3MP |
| +16 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 | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| Change model | ||
| Model | Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) |
| Other model names | AT&T Samsung Focus Flash i677, Samsung SGH-i677 | Samsung Galaxy Core II SM-G355M/Dual-Sim |
| Country or region available |  USA | feature not registered |
| Brand | Samsung | Samsung |
| Release date | 11/6/2011 | 5/20/2014 |
| Depth | 11 millimeters (0.43 inches) | 9.8 millimeters (0.39 inches) |
| Size (width x height) | 58.7 x 116.1 millimeters (2.31 x 4.57 in) | 68 x 130.3 millimeters (2.68 x 5.13 in) |
| Weight | 116 grams (4.06 ounces) | 138 grams (4.83 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 3.7" inches | 4.5" inches |
| Screen-to-body ratio | ~57.2% (screen-to-body ratio) | ~65.1% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 252 PPI | 207 PPI |
| Colors | 16 million | 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 | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| System version | Windows Phone 7.5 Mango | Android 4.4.2 KitKat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| Chipset | 32bit: Qualcomm Snapdragon S2 MSM8255T (45nm) | 32bit |
| CPU | Single-core, 1 processor: 1x 1.4GHz Scorpion (Single-core) | Quad-core, 1 processor: 4x 1.2GHz |
| GPU graphical controller | Qualcomm Adreno 205 | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| RAM memory | 512MB LPDDR2 | 512MB LPDDR2 |
| Internal storage | 8GB (6GB available) | 4GB (2GB available) |
| External storage | Not supported | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 14.4/5.76 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G | 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 850/1900/2100 | 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, HSPA+ | 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 | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2560x1920 pixels | 2592x1944 pixels |
| Video recording (primary) | HD (1280x720) 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 | Autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| Front camera (secondary) | 0.3 megapixels | 0.3 megapixels |
| Front camera resolution | 640x480 pixels | 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 | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| 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 | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| 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 Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1500 mAh | 2000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 6.5 hours | feature not registered |
| Standby | 250 hours (10.4 days) | feature not registered |
➕ Other features | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), 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 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Dark Gray • HAC (M3/T3) • Bing Maps • Xbox Live • WiFi hotspot | • Colors: Black, White • Samsung TouchWiz UI • Nature UX 2.0 Java framework |
☢️ Radiation rate | ||
| Samsung Focus Flash (SGH-i677) | Galaxy Core 2 Duos (SM-G355M/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.35W/kg (head), 0.93W/kg (body) | 0.293W/kg (head), 0.98W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.309W/kg (head) | 0.425W/kg (head), 0.451W/kg (body) |