Oppo R3 vs Samsung Galaxy Halo (SM-J727AZ)
Side by side comparison between Oppo R3 vs Samsung Galaxy Halo phones, differences, pros, cons and full specifications. What's the better?
,
5"
IPS
IPS
720x1280
8
MP
MP
5mp
1GB
RAM
RAM
Quad-core
2410
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
720x1280
8
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy Halo (SM-J727AZ)
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!
5 Advantages 
14 Advantages | 25 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| 720x1280 pixels |
| (back) 8MP |
| LED flash |
| Only digital zoom |
| Autofocus |
| +18 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 | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| Change model | ||
| Model | Oppo R3 | Galaxy Halo (SM-J727AZ) |
| Other model names | Oppo R3 R7005 TD-LTE, Oppo R3 R7007 TD-LTE | Galaxy J7 2017 (Cricket Wireless) SM-J727AZKZAIO |
| Country or region available | feature not registered |  USA |
| Brand | Oppo | Samsung |
| Release date | 7/1/2014 | 3/1/2017 |
| Depth | 6.3 millimeters (0.25 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 70.4 x 142.3 millimeters (2.77 x 5.6 in) | 76.2 x 151.4 millimeters (3 x 5.96 in) |
| Weight | 141 grams (4.94 ounces) | 167 grams (5.85 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5" inches | 5.5" inches |
| Screen-to-body ratio | ~68.8% (screen-to-body ratio) | ~72.3% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 267 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 | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| System version | Android 4.3 Jelly Bean | Android 7.0 Nougat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8928 | 64bit: Samsung Exynos 7870 (14nm) |
| CPU | Quad-core, 1 processor: 4x 1.6GHz ARM Cortex-A7 (Quad-core) | Octa-core, 1 processor: 8x 1.6GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | Qualcomm Adreno 305 | ARM Mali-T830 MP1 (700MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| RAM memory | 1GB | 2GB LPDDR3 |
| Internal storage | 8GB (5GB available) | 16GB (10GB available) eMMC 5.1 |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 100/50 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 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, R7005: CDMA 800 | GSM 850/900/1800/1900 |
| Primary 3G network | TD-SCDMA 1900/2000 | UMTS 850/1700/1900 |
| Primary 4G network | TD-LTE R7005: 2500 - R7007: 1900/2300/2600 | LTE Cat6 (Bands 2, 3, 4, 5, 7, 12) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, TD-SCDMA, LTE | 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 | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| Back camera (main camera) | 8 megapixels | 8 megapixels |
| Main camera resolution | 3264x2448 pixels | 3264x2448 pixels |
| Video recording (primary) | Full HD (1920x1080) | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| 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 | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| Front camera (secondary) | 5 megapixels | 5 megapixels |
| Front camera resolution | 2592x1944 pixels | 2560x1920 pixels |
| Video recording (secondary) | HD (1280x720) | 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 | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 4.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| Sensors | Accelerometer Ambient light sensor Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2410 mAh | 3300 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | 288 hours (12 days) |
➕ Other features | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • ColorOS UI 1.4 Java framework | • Colors: Black • HAC M3/T3 |
☢️ Radiation rate | ||
| Oppo R3 | Galaxy Halo (SM-J727AZ) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.62W/kg (head), 1.25W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |