Samsung Galaxy J7 (2017) vs Oppo A1 (2018)
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| PHONES | ||
|---|---|---|
| Phone Names | Samsung Galaxy J7 (2017) | Oppo A1 (2018) |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands | 1, 3, 5, 7, 8, 20, 28, 40 | 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 |
| Speed | HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / CDMA / HSPA / LTE |
| Launch | ||
|---|---|---|
| Announced | 2017, June. Released 2017, July | 2018, March. Released 2018, April |
| Status | Discontinued | Discontinued |
| Body | ||
|---|---|---|
| Build | Glass front, aluminum back, aluminum frame | - |
| Dimensions | 152.5 x 74.8 x 8 mm (6.00 x 2.94 x 0.31 in) | 150.5 x 73.1 x 7.7 mm (5.93 x 2.88 x 0.30 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 181 g (6.38 oz) | 143 g (5.04 oz) |
| Display | ||
|---|---|---|
| Protection | - | Corning Gorilla Glass 3 |
| Resolution | 1080 x 1920 pixels, 16:9 ratio (~401 ppi density) | 720 x 1440 pixels, 18:9 ratio (~282 ppi density) |
| Size | 5.5 inches, 83.4 cm2 (~73.1% screen-to-body ratio) | 5.7 inches, 83.8 cm2 (~76.2% screen-to-body ratio) |
| Type | Super AMOLED | S-IPS LCD |
| Always-on display | - | |
| Platform | ||
|---|---|---|
| CPU | Octa-core 1.6 GHz Cortex-A53 | Octa-core 2.5 GHz Cortex-A53 |
| Chipset | Exynos 7870 Octa (14 nm) | Mediatek MT6763T Helio P23 (16 nm) |
| GPU | Mali-T830 MP1 | Mali-G71 MP1 |
| OS | Android 7.0 (Nougat), upgradable to Android 9.0 (Pie), One UI | Android 7.1.1 (Nougat), ColorOS 3.2 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM | 32GB 3GB RAM, 64GB 4GB RAM |
| eMMC 5.1 | - | |
| Main Camera | ||
|---|---|---|
| Features | LED flash, panorama, HDR | LED flash, panorama |
| Single | 13 MP, f/1.7, 27mm (wide), 1/3.1", 1.12µm, AF | 13 MP, f/2.2, 1/3.1", 1.12µm, PDAF |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie camera | ||
|---|---|---|
| Features | LED flash | - |
| Single | 13 MP, f/1.9, 28mm (wide), 1/3.1", 1.12µm | 8 MP, f/2.2 |
| Video | 1080p@30fps | - |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | - |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 4.1, A2DP, LE | 4.2, A2DP, LE |
| NFC | Yes | No |
| Positioning | GPS, GLONASS, BDS | GPS |
| Radio | FM radio | FM radio |
| USB | microUSB 2.0, OTG | microUSB 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass | Accelerometer, proximity, compass |
| ANT+ | - | |
| Battery | ||
|---|---|---|
| Music play | Up to 91 h | - |
| Talk time | Up to 24 h (3G) | - |
| Type | Li-Ion 3600 mAh, non-removable | Li-Ion 3180 mAh, non-removable |
| Misc | ||
|---|---|---|
| Colors | Black, Blue, Gold, Rose Gold | Deep sea blue, Cherry red, Pearl white |
| Models | SM-J730F, SM-J730FM, SM-S727VL, SM-J730K | - |
| Price | About 200 EUR | About 150 EUR |
| SAR EU | 0.57 W/kg (head) 1.33 W/kg (body) | - |
| Tests | ||
|---|---|---|
| Audio quality | Noise -92.8dB / Crosstalk -92.3dB | - |
| Battery life | Endurance rating 108h | - |
| Camera | Photo / Video | - |
| Display | Contrast ratio: Infinite (nominal), 3.812 (sunlight) | - |
| Loudspeaker | Voice 67dB / Noise 71dB / Ring 83dB | - |
| Performance | GeekBench: 3779 (v4.4) GFXBench: 1.9fps (ES 3.1 onscreen) | - |
| OUR TESTS | ||
|---|---|---|
| Audio quality | Noise -92.8dB / Crosstalk -92.3dB | - |
| Battery (old) | Endurance rating 108h | - |
| Camera | Photo / Video | - |
| Display | Contrast ratio: Infinite (nominal), 3.812 (sunlight) | - |
| Loudspeaker | Voice 67dB / Noise 71dB / Ring 83dB | - |
| Performance | GeekBench: 3779 (v4.4) GFXBench: 1.9fps (ES 3.1 onscreen) | - |