Samsung Galaxy 551 (GT-i5510M) vs Acer Liquid Z2 Duo (Z120)
Side by side comparison between Samsung Galaxy 551 vs Acer Liquid Z2 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
3.5"
TFT
TFT
320x480
3.1
MP
MP
512MB
RAM
RAM
Single-core
1300
mAh
mAh
(Removable)
What's the better phone? Acer Liquid Z2 Duo (Z120)
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!
3 Advantages 
15 Advantages | 21 Common items in both devices |
| 512MB |
| Until 32GB microSD, microSDHC |
| TFT LCD |
| (back) 3.1MP |
| Only digital zoom |
| 3G HSUPA |
| 7.2 Mbps |
| +14 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) | Acer Liquid Z2 Duo (Z120) | |
| Model | Galaxy 551 (GT-i5510M) | Liquid Z2 Duo (Z120) |
| Other model names | Samsung Galaxy i5510M, Samsung Callisto | Acer Liquid Z120, Acer Liquid Z2 Dual-Sim |
| Country or region available |   (Latin America), Brazil | feature not registered |
| Brand | Samsung | Acer |
| Release date | 11/1/2010 | 3/1/2013 |
| Depth | 15.2 millimeters (0.6 inches) | 12.3 millimeters (0.48 inches) |
| Size (width x height) | 55 x 111 millimeters (2.17 x 4.37 in) | 62.5 x 110 millimeters (2.46 x 4.33 in) |
| Weight | 117 grams (4.1 ounces) | 110 grams (3.85 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 3.2" inches | 3.5" inches |
| Screen-to-body ratio | ~47.7% (screen-to-body ratio) | ~53.1% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 320x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 146 PPI | 165 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 | ||
| Galaxy 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| System version | Android 2.2 Froyo | Android 4.1.1 Jelly Bean |
| Firmware update | Android 2.3.6 Gingerbread | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| Chipset | 32bit: Qualcomm Snapdragon S1 MSM7227 (65nm) | 32bit: MediaTek MT6575 |
| CPU | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) | Single-core, 1 processor: 1x 1GHz ARM Cortex-A9 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 200 | PowerVR SGX531 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| RAM memory | 512MB | 512MB |
| Internal storage | 512MB (173MB available) | 4GB (1.17GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| 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) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 7.2 Mbps | 7.2/5.76 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 850/2100 | UMTS 900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| 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 | ||
| Galaxy 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| Back camera (main camera) | 3.1 megapixels | 3.1 megapixels |
| Main camera resolution | 2048x1536 pixels | 2048x1536 pixels |
| Video recording (primary) | QVGA (320x240) 15 fps | VGA (640x480) |
| 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 |
| Autofocus | Autofocus | Not supported |
| Touch focus | Not supported | Not supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Not supported | feature not registered |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | 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 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | 3GP, 3G2, MJPG, MP4, WMV, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Galaxy 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| 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 | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1200 mAh | 1300 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5 hours | 4 hours |
| Standby | 370 hours (15.4 days) | 450 hours (18.8 days) |
➕ Other features | ||
| Galaxy 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not 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, Black/White • SRS sound enhancement • WiFi hotspot |
☢️ Radiation rate | ||
| Galaxy 551 (GT-i5510M) | Acer Liquid Z2 Duo (Z120) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |