Asus Zenwatch 2 (WI502Q) vs Samsung Galaxy 551 (GT-i5510M)
Side by side comparison between Asus Zenwatch 2 vs Samsung Galaxy 551 devices, differences, pros, cons and full specifications. What's the better?
,
1.45"
AMOLED
AMOLED
280x280
N/A
512MB
RAM
RAM
Quad-core
290
mAh
mAh
(Non removable)
vs
3.2"
TFT
TFT
240x400
3.1
MP
MP
512MB
RAM
RAM
Single-core
1200
mAh
mAh
(Removable)
What's the better device? Samsung Galaxy 551 (GT-i5510M)
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!
12 Advantages 
18 Advantages | 5 Common items in both devices |
| 512MB LPDDR / 512MB |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| + 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 | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| Model | Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) |
| Other model names | Asus Zenwatch 2 WI502Q (45mm), M6E69S, M6E69X, MEC23U, MWD59 | Samsung Galaxy i5510M, Samsung Callisto |
| Country or region available |  (Global, International) |   (Latin America), Brazil |
| Brand | Asus | Samsung |
| Release date | 9/1/2015 | 11/1/2010 |
| Depth | 11.8 millimeters (0.46 inches) | 15.2 millimeters (0.6 inches) |
| Size (width x height) | 37.2 x 45.2 millimeters (1.46 x 1.78 in) | 55 x 111 millimeters (2.17 x 4.37 in) |
| Weight | 56 grams (1.96 ounces) | 117 grams (4.1 ounces) |
| Build, materials | Stainless steel and plastic body, glass front | feature not registered |
| Protection against water and others | IP67 certified: dust proof and waterproof over 1 meter and 30min | Not supported |
📲 Display | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| Display type | AMOLED | TFT LCD |
| Screen size | 1.45" inches | 3.2" inches |
| Screen-to-body ratio | ~40.3% (screen-to-body ratio) | ~47.7% (screen-to-body ratio) |
| Display resolution | 280x280 pixels | 240x400 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 273 PPI | 146 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| System version | Android Wear 1.3 (5.1.1 Lollipop) | Android 2.2 Froyo |
| Firmware update | Android Wear 2.1 (8.0 Oreo) | Android 2.3.6 Gingerbread |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) | 32bit: Qualcomm Snapdragon S1 MSM7227 (65nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-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 | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| RAM memory | 512MB LPDDR | 512MB |
| Internal storage | 4GB (1.5GB available) eMMC 4.5 | 512MB (173MB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | Not supported | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | feature not registered | 7.2 Mbps |
| Network technology | feature not registered | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | Not supported | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 850/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | 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 | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| Back camera (main camera) | Not supported | 3.1 megapixels |
| Main camera resolution | Not supported | 2048x1536 pixels |
| Video recording (primary) | Not supported | QVGA (320x240) 15 fps |
| 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 | Not supported | Autofocus |
| Touch focus | Not supported | Not supported |
| Image stabilization | Not supported | Not supported |
| Zoom | Not supported | Only digital zoom |
| Face/smile detection | Not supported | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| 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 | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4 | 3GP, 3G2, MJPG, MP4, WMV, H.263 |
| Audio formats | MP3, WAV, WMA, OGG, eAAC+ | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| USB | Not supported | MicroUSB 2.0 |
| Audio output | Not supported | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | Not supported | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| Sensors | Accelerometer Gyroscope Pedometer | Accelerometer Compass Proximity sensor |
| Vibrating alert | Not supported | Supported |
🔋 Battery | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 290 mAh | 1200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | 5 hours |
| Standby | 48 hours (2 days) | 370 hours (15.4 days) |
➕ Other features | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | feature not registered | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| Antenna | Not supported | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Gunmetal, Silver, Rose gold • Compatible with standard 18mm straps • Bands options: Rubber, Leather and Metal • 2.5D glass screen | • Colors: Black • 1GB microSD included • Samsung TouchWiz 3.0 • Java framework |
☢️ Radiation rate | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy 551 (GT-i5510M) | |
| 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 |