Samsung Galaxy 551 vs Samsung Galaxy Ace 2
General Info
| Manufacturer | |
| Samsung | Samsung |
| Announced | |
| October 2010 | February 2012 |
| Status | |
| Available - Q4 2010 | Available - May 2012 |
| Colors | |
| Black | Black |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
|
111 x 55 x 15.2 mm (4.37 x 2.17 x 0.6 in) |
118.3 x 62.2 x 10.5 mm (4.66 x 2.45 x 0.41 in) |
| Weight | |
| 117 g (4.13 oz) | 122 g (4.3 oz) |
| 2G Network | |
| GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | |
| HSDPA 900 / 2100 HSDPA 850 / 2100 |
HSDPA 900 / 2100 |
| Messaging | |
| SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
Display
Hardware and OS
| OS | |
| Android OS, v2.2 (Froyo), upgradable to v2.3.6 (Gingerbread) | Android OS, v2.3 |
| Processor | |
| 600 MHz, Qualcomm MSM7227 [Similar] | Dual-core 800 MHz, NovaThor U8500 [Similar] |
| GPU | |
| Adreno 200 [Similar] | Mali-400MP [Similar] |
| RAM | |
| N/A | 768 MB [Browse Similar] |
| Internal Memory | |
| 160 MB | 4 GB storage |
| External Memory | |
| microSD, up to 32 GB, 1 GB included | microSD, up to 32GB |
Camera
Multimedia
| 3.5mm Jack | |
| Radio | |
| Stereo FM radio with RDS | Stereo FM radio with RDS |
| Games | |
| Yes + Downloadable | Yes |
| Loud Speaker | |
Connectivity and Data Rate
| GPRS | |
| Class 10 (4+1/3+2 slots), 32 - 48 kbps | Yes |
| Edge | |
| Class 12 | Yes |
| 3G | |
| HSDPA, 7.2 Mbps; HSUPA | HSDPA, 14.4 Mbps |
| Bluetooth | |
| Yes, v2.1 with A2DP | Yes, v3.0 with A2DP |
| Wi-Fi | |
| Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot |
| USB | |
| Yes, microUSB v2.0 | Yes, v2.0 microUSB |
| GPS | |
| Yes, with A-GPS support | Yes, with A-GPS support and GLONASS |
| Browser | |
| HTML | HTML |
User Memory
| Internal | |
| 160 MB | 4 GB storage, 768 MB RAM |
| Expandable Storage | |
| microSD, up to 32 GB, 1 GB included | microSD, up to 32GB |
Sensors
| Fingerprint | |
| Proximity Sensor | |
| Accelerometer Sensor | |
| NFC | |
Battery
| Type | |
| Li-Ion Battery | Standard battery, Li-Ion |
| Capacity | |
| 1200 mAh | 1500 mAh |
| Stand by | |
| Up to 520 h (2G) Up to 370 h (3G) |
Up to 670 h (2G) Up to 640 h (3G) |
| Talk Time | |
| Up to 9 h (2G) Up to 5 h (3G) |
Up to 16 h 20 min (2G) Up to 7 h 30 min (3G) |