Comparison of Samsung Galaxy J2 (2017) and Oppo Mirror 3 [S]ave
| Attribute |  Samsung Galaxy J2 (2017) × |  Oppo Mirror 3 × |
|---|---|---|
| General | ||
| Brand | Samsung | Oppo |
| Launch | ||
| Announced | 2017-10-01 | 2015-01-01 |
| Body | ||
| Width (mm) | 8.4 | 8.9 |
| Length (mm) | 136.5 | 137.7 |
| Height (mm) | 69 | 68.8 |
| Weight (g) | 130 | 130 |
| SIM | Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Micro-SIM/Nano-SIM, dual stand-by) |
| Front | Glass | - |
| Back | Plastic | - |
| Frame | Plastic | - |
| Network | ||
| Technology |
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| 2G bands |
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| 3G bands |
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| 4G bands |
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| Speed |
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| Platform | ||
| OS | Android 7.0 (Nougat) | Android 4.4 (KitKat) |
| Chipset | Exynos 3475 Quad (28 nm) | Qualcomm MSM8916 Snapdragon 410 (28 nm) |
| CPU | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.2 GHz Cortex-A53 |
| GPU | Mali-T720 | Adreno 306 |
| Memory | ||
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal |
|
|
| Display | ||
| Size (in) | 4.7 | 4.7 |
| Resolution (px) | 540 x 960 | 720 x 1280 |
| Protection | - | Corning Gorilla Glass 3 |
| Display Type | Super AMOLED | IPS LCD |
| Battery | ||
| Type | Li-Ion | Li-Po |
| Charging | - | Fast charging 20W, 100% in 90 min (advertised), VOOC |
| Capcity (mAh) | 2000 | 2000 |
| Main Camera | ||
| Main Camera Type | Single | Single |
| Main Camera Properties |
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|
| Main Camera Video | 720p@30fps | 1080p@30fps |
| Main Camera Features | LED flash | LED flash, HDR, panorama |
| Selfie Camera | ||
| Selfie Camera Type | Single | Single |
| Selfie Camera Properties |
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| Comms | ||
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | 4.1, A2DP | 4.0, A2DP |
| GPS | + | + |
| NFC | - | - |
| Radio | FM radio, RDS, recording | FM radio |
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| Sound | ||
| Loudspeaker | + | + |
| 3.5mm jack | + | + |
| Features | ||
| Sensors |
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| Misc | ||
| Colors |
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| Models |
| - |
| Talk time (h) | Up to 12 h (3G) | - |
| Music play (h) | 41 | - |
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