Samsung Galaxy J7 vs Oppo A31 Comparison and Differences
Smartphone 1
Samsung Galaxy J7
Smartphone 2
Oppo A31
Smartphone 3
Samsung Galaxy J7 or Oppo A31 Specs Comparison
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Common specs
| Brand and model | Samsung Galaxy J7 | Oppo A31 | |
| Rating | (+) | (+) | |
| 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 | |
| Case | buy from Amazon | buy from Amazon | |
| 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 | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | Super AMOLED | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 5.5" in | 6.5" in | |
| 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 | ||
| Screen protector | buy from Amazon | buy from Amazon |
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) | |
| 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) | |
| 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 | |
| Bands | -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) |
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified) |
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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) |
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) |
Reviews and Opinions on Samsung Galaxy J7 and Oppo A31
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