Xiaomi Redmi 3 (2015816) vs Samsung Galaxy 551 (GT-i5510M)
Side by side comparison between Xiaomi Redmi 3 vs Samsung Galaxy 551 phones, differences, pros, cons and full specifications. What's the better?
,
vs
3.2"
TFT
TFT
240x400
3.1
MP
MP
512MB
RAM
RAM
Single-core
1200
mAh
mAh
(Removable)
What's the better phone? Xiaomi Redmi 3 (2015816)
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!
23 Advantages 
2 Advantages | 14 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| +7 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 | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| Model | Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) |
| Other model names | Xiaomi Hongmi 3, Xiaomi Redmi 3 Dual Sim 2015816 | Samsung Galaxy i5510M, Samsung Callisto |
| Country or region available | feature not registered |   (Latin America), Brazil |
| Brand | Xiaomi | Samsung |
| Release date | 1/11/2016 | 11/1/2010 |
| Depth | 8.5 millimeters (0.33 inches) | 15.2 millimeters (0.6 inches) |
| Size (width x height) | 69.6 x 139.3 millimeters (2.74 x 5.48 in) | 55 x 111 millimeters (2.17 x 4.37 in) |
| Weight | 144 grams (5.04 ounces) | 117 grams (4.1 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 5" inches | 3.2" inches |
| Screen-to-body ratio | ~71.1% (screen-to-body ratio) | ~47.7% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 240x400 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 146 PPI |
| Colors | 16 million | 16 million |
| 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 | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| System version | Android 5.1.1 Lollipop | Android 2.2 Froyo |
| Firmware update | feature not registered | Android 2.3.6 Gingerbread |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| Chipset | 64bit: Qualcomm Snapdragon 616 MSM8939v2 (28nm) | 32bit: Qualcomm Snapdragon S1 MSM7227 (65nm) |
| CPU | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1.2GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) |
| GPU graphical controller | Qualcomm Adreno 405 | Qualcomm Adreno 200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| RAM memory | 2GB LPDDR3 | 512MB |
| Internal storage | 16GB (10GB available) | 512MB (173MB available) |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 7.2 Mbps |
| Network technology | 2G, 3G, 4G | 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 | TD-SCDMA1900/2000 | UMTS 850/2100 |
| Primary 4G network | LTE Cat4 2600 (Bands 7) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, TD-SCDMA, LTE | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| Back camera (main camera) | 13 megapixels | 3.1 megapixels |
| Main camera resolution | 4128x3096 pixels | 2048x1536 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | QVGA (320x240) 15 fps |
| Flash | LED flash | Not supported |
| Focal aperture | f/2.0 (aperture) | 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 | Supported | Not supported |
| Image stabilization | feature not registered | Not supported |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| Front camera (secondary) | 5 megapixels | Not supported |
| Front camera resolution | 2592x1944 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | 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 | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, DivX, XviD, WMV | 3GP, 3G2, MJPG, MP4, WMV, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| Battery type | LiPo: li-ion polymer (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4100 mAh | 1200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 29 hours (1.2 days) | 5 hours |
| Standby | feature not registered | 370 hours (15.4 days) |
➕ Other features | ||
| Redmi 3 (2015816) | Galaxy 551 (GT-i5510M) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Dark Gray, Silver, Gold, Classic Gold • USB OTG On-The-Go • Metal body • Xiaomi MIUI 7.0 • Qualcomm Fast battery charging • PDAF technology on camera • Beidou GPS • nanoSim2 or microSD (shared slot) | • Colors: Black • 1GB microSD included • Samsung TouchWiz 3.0 • Java framework |
☢️ Radiation rate | ||
| Redmi 3 (2015816) | 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 |