Samsung Galaxy J7 (2017) vs Samsung Galaxy A40 Comparison and Differences
Smartphone 1
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Samsung Galaxy J7 (2017)
Smartphone 2
Samsung Galaxy A40
Smartphone 3
Samsung Galaxy J7 (2017) or Samsung Galaxy A40 Specs Comparison
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Common specs
| Brand and model | Samsung Galaxy J7 (2017) | Samsung Galaxy A40 | |
| Rating | (+) | (+) | |
| Release date | 2017, June | 2019, March | |
| Dimensions (HxWxD) | 152.5 x 74.8 x 8 mm | 6 x 6 x 2.94 in | 144.4 x 69.2 x 7.9 mm | 5.69 x 5.69 x 2.72 in | |
| Weight | 181 g | 6.38 oz | 140 g | 4.94 oz | |
| Body Build | Front glass, aluminum body | Front glass, plastic body | |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Black, Blue, Gold, Rose Gold | Black, White, Blue, Coral | |
| Battery | 3600 mAh, Non-removable Li-Ion | 3100 mAh, Non-removable Li-Po | |
| Battery life |
Talking time - Up to 24 h (3G) Music play - Up to 91 h |
Talking time - Up to 9 (3G) Music play - Up to 62 h |
|
| Approximate price | 200 EUR | 220 EUR | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | Super AMOLED | Super AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 5.5" in | 5.9" in | |
| Screen area | 83.4 cm2 | 85.5 cm2 | |
| Screen format | 16:9 (height:width) | 19.5:9 (height:width) | |
| Screen to body ratio | 73.1% | 85.5% | |
| Screen resolution | 1080 x 1920 px | 1080 x 2340 px | |
| Screen PPI /points per inch/ | 401 PPI | 437 PPI | |
| Screen protection | Corning Gorilla Glass 3 | ||
| Other specs | - Always-on display | ||
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 13 MP, Single | 16 MP, Dual | |
| Camera specs | -13 MP, f/1.7, 27mm (wide), 1/3.1'', 1.12µm, AF | -16 MP, f/1.7, 26mm (wide), PDAF -5 MP, f/2.2, 13mm (ultrawide) |
|
| Functions | LED flash, panorama, HDR | LED flash, panorama, HDR | |
| Video | 1080p@30fps | 1080p@30fps | |
| Front camera, selfie | 13 MP, Single | 25 MP, Single | |
| Specifications | 13 MP, f/1.9, 28mm (wide) | 25 MP, f/2.0, 25mm (wide) | |
| Functions | LED flash | ||
| Video | 1080p@30fps | 1080p@30fps |
Performance
| Operating system - OS | Android 7.0 (Nougat) | Android 9.0 (Pie) | |
| Chipset | - Exynos 7870 Octa (14 nm) | - Exynos 7904 Octa (14 nm) | |
| CPU | - Octa-core 1.6 GHz Cortex-A53 | - Octa-core (2x1.77 GHz Cortex-A73 & 6x1.59 GHz Cortex-A53) | |
| GPU | Mali-T830 MP1 | Mali-G71 MP2 | |
| External memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 1 TB (dedicated slot) | |
| Internal memory | 16 GB, 3 GB RAM | 64 GB, 4 GB RAM |
Benchmark
| Antutu 8 Total | 127724 | ||
| Antutu 7 Total | |||
| GeekBench 6 Single Core | 274 | ||
| GeekBench 6 Multi Core | 849 | ||
| GeekBench 6 OpenCL | 854 | ||
| GeekBench 6 Vulkan | 822 | ||
| GeekBench 5 Single Core | 118 | 263 | |
| GeekBench 5 Multi-Core | 447 | 960 | |
| GeekBench 4 Single Core | 713 | ||
| GeekBench 4 Multi-Core | 3482 | ||
| GeekBench 4 RenderScript | 2288 |
Communication and Connectivity
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM)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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 40(2300) |
-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), 38(2600), 40(2300), 41(2500) |
|
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps | |
| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |
| NFC | Yes | Yes | |
| USB | microUSB 2.0, USB On-The-Go | 3.1, Type-C 1.0 reversible connector | |
| Bluetooth | 4.1, A2DP, LE | 5.0, A2DP, LE | |
| Harmful irradiation |
SAR EU - 0.57 W/kg (head) 1.33 W/kg (body) |
SAR EU - 0.49 W/kg (head) 1.34 W/kg (body) |
Music and Audio
| Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | |
| Others | - Active noise cancellation with dedicated mic |
Other features
| Sensors | - Fingerprint (front-mounted), accelerometer, gyro, proximity, compass | - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | |
| Other extras |
- ANT+ |
- ANT+ - Fast battery charging 15W |
|
| Versions |
- Versions: J730F/DS (Global Dual-SIM); J730FM/DS (UAE, Russia) |
- Versions: SM-A405F/DS, SM-A405FN/DS (Global), SM-A405FM/DS |
Reviews and Opinions on Samsung Galaxy J7 (2017) and Samsung Galaxy A40
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