Samsung Galaxy 551 (GT-i5510M) vs Samsung Galaxy Alpha (SM-G850A)
Side by side comparison between Samsung Galaxy 551 vs Samsung Galaxy Alpha phones, differences, pros, cons and full specifications. What's the better?
,
3.2"
TFT
TFT
240x400
3.1
MP
MP
512MB
RAM
RAM
Single-core
1200
mAh
mAh
(Removable)
vs
4.7"
AMOLED
AMOLED
720x1280
12
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
1860
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy Alpha (SM-G850A)
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!
2 Advantages 
29 Advantages | 15 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| +8 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 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| Model | Galaxy 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) |
| Other model names | Samsung Galaxy i5510M, Samsung Callisto | AT&T Samsung Galaxy Alpha S801 SM-G850A for USA |
| Country or region available |   (Latin America), Brazil |  USA |
| Brand | Samsung | Samsung |
| Release date | 11/1/2010 | 9/1/2014 |
| Depth | 15.2 millimeters (0.6 inches) | 6.7 millimeters (0.26 inches) |
| Size (width x height) | 55 x 111 millimeters (2.17 x 4.37 in) | 65.5 x 132.4 millimeters (2.58 x 5.21 in) |
| Weight | 117 grams (4.1 ounces) | 115 grams (4.03 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| Display type | TFT LCD | Super AMOLED |
| Screen size | 3.2" inches | 4.7" inches |
| Screen-to-body ratio | ~47.7% (screen-to-body ratio) | ~70.2% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 146 PPI | 312 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 4 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Galaxy 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| System version | Android 2.2 Froyo | Android 4.4.4 KitKat |
| Firmware update | Android 2.3.6 Gingerbread | Android 5.0.2 Lollipop |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| Chipset | 32bit: Qualcomm Snapdragon S1 MSM7227 (65nm) | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) |
| CPU | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 200 | Qualcomm Adreno 330 578Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| RAM memory | 512MB | 2GB LPDDR3 |
| Internal storage | 512MB (173MB available) | 32GB (25GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 7.2 Mbps | 150/50 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 | UMTS 850/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| 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 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| Back camera (main camera) | 3.1 megapixels | 12 megapixels |
| Main camera resolution | 2048x1536 pixels | 4608x2592 pixels |
| Video recording (primary) | QVGA (320x240) 15 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/2.2 (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 | Autofocus | Autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo/video only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| Front camera (secondary) | Not supported | 2.1 megapixels |
| Front camera resolution | Not supported | 1920x1080 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| 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 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | 3GP, 3G2, MJPG, MP4, WMV, H.263 | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1200 mAh | 1860 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5 hours | 11 hours |
| Standby | 370 hours (15.4 days) | feature not registered |
➕ Other features | ||
| Galaxy 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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 | HTML, XHTML, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black • 1GB microSD included • Samsung TouchWiz 3.0 • Java framework | • Colors: Black, Silver, White, Gold, Blue • USB OTG On-The-Go • Dual Shot camera (video + photo) • Fingerprint sensor (PayPal certified) • Dropbox 50GB • ANT+ support |
☢️ Radiation rate | ||
| Galaxy 551 (GT-i5510M) | Galaxy Alpha (SM-G850A) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.25W/kg (head), 1.05W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.4W/kg (head), 0.265W/kg (body) |