Samsung Galaxy J7 vs Oppo A31 compare
The best smartphone comparison tool: compare Samsung Galaxy J7 vs Oppo A31 and choose the best model for you
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Samsung Galaxy J7
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Samsung Galaxy J7 vs Oppo A31
What is the difference between the Samsung Galaxy J7 and Oppo A31? Which one is better? The answers to these questions and many more can be found here in this detailed comparison of the two phones. Discover the differences in specs between these two desirable devices, from screen size to battery life, in the table below. We have all the information you need to choose the best phone for you.
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Common specs
| Brand and model | Samsung Galaxy J7 | Oppo A31 | |
| Rating | (+) | (+) | |
| Review | Samsung Galaxy J7 Review | Oppo A31 Review | |
| Release date | 2015, June | 2020, February 13 | |
| Dimensions (HxWxD) | 152.2 x 78.7 x 7.5 mm | 5.99 x 5.99 x 3.1 in | 163.9 x 75.5 x 8.3 mm | 6.45 x 6.45 x 2.97 in | |
| Weight | 171 g | 6.03 oz | 180 g | 6.35 oz | |
| Body Build | Plastic body | Glass front, plastic back, plastic frame | |
| Colors | White, Black, Gold | Fantasy White, Mystery Black | |
| Battery | 3000 mAh, Removable Li-Ion | 4230 mAh, Non-removable Li-Po | |
| Battery life |
Talking time - Up to 18 h (3G) Music play - Up to 76 h |
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| Approximate price | 200 EUR | 180 EUR |
Screen
| Technology | Super AMOLED | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 5.5" inc | 6.5" inc | |
| Screen area | 83.4 cm2 | 102.0 cm2 | |
| Screen format | 16:9 (height:width) | 20:9 (height:width) | |
| Screen to body ratio | 69.6% | 82.4% | |
| Screen resolution | 720 x 1280 px | 720 x 1600 px | |
| Screen PPI /points per inch/ | 267 PPI | 270 PPI | |
| Other specs | - 480 nits typ. brightness |
Camera and Video
| Rear camera, main | 13 MP, Single | 12 MP, Triple | |
| Camera specs | -13 MP, f/1.9, 28mm (wide), AF | -12 MP, f/1.8, (wide), PDAF -2 MP, f/2.4, 27mm (macro), 1/5.0'', 1.75µm -2 MP, f/2.4, (depth) |
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| Functions | LED flash, panorama | LED flash, HDR, panorama | |
| Video | 1080p@30fps | 1080p@30fps | |
| Front camera, selfie | 5 MP, Single | 8 MP, Single | |
| Specifications | 5 MP, f/2.2, 23mm (wide) | 8 MP, f/2.0 | |
| Functions | LED flash | HDR | |
| Video | 1080p@30fps |
Performance
| Operating system - OS | Android 5.1 (Lollipop), upgradable to 6.0.1 (Marshmallow) | Android 9.0 (Pie); ColorOS 6.1 | |
| Chipset | - Exynos 7580 Octa
- Qualcomm MSM8939 Snapdragon 615 (28 nm) |
- Mediatek MT6765V/CB Helio P35 (12nm) | |
| Processor CPU | - Octa-core (4x1.4 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) -Octa-core 1.5 GHz Cortex-A53 |
- Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | |
| Graphics processor GPU | Adreno 405 Mali-T720MP2 |
PowerVR GE8320 | |
| External memory | microSD, up to 256 GB (dedicated slot) | microSDXC (dedicated slot) | |
| Internal memory | 16 GB, 1.5 GB RAM | 128GB 4GB RAM |
Benchmark
| Antutu 8 Total | 105221 | ||
| GeekBench 5 Single Core | 117 | 138 | |
| GeekBench 5 Multi-Core | 434 | 834 | |
| GeekBench 4 Single Core | 693 | ||
| GeekBench 4 Multi-Core | 3327 | ||
| GeekBench 4 RenderScript | 1997 |
Communication and Connectivity
| SIM card | Single SIM (Micro-SIM)Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE | |
Show all network frequencies: |
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| Speed | HSPA 21.1/5.76 MbpsHSPA, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A | |
| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, BDS | |
| NFC | Yes (Snapdragon model only) | ||
| USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go | |
| Bluetooth | 4.1, A2DP | 5.0, A2DP, LE | |
| Harmful irradiation |
SAR - 1.25 W/kg (head) 1.36 W/kg (body) SAR EU - 0.50 W/kg (head) 0.37 W/kg (body) |
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Music and Audio
| Radio | FM radio, RDS, recording | FM radio | |
| Headphone jack | Yes | Yes |
Other features
| Sensors | - Accelerometer, proximity | - Fingerprint (rear-mounted), accelerometer, proximity, compass | |
| Other extras |
- ANT+ |
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| Versions |
- Versions: J700F (India, Thailand); J700M (LATAM); J700M/DS (Brazil); J700H with no LTE (South Africa, Pakistan, Vietnam, Philippines, Russia); J700T (T-Mobile, Metro PCS); J700P (Virgin Mobile, Boost) |
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