Samsung Galaxy J7 (2017) vs Galaxy A30
40
out of 100
VS
44
out of 100
Here we compared two smartphones: the 5.5-inch Samsung Galaxy J7 (2017) (with Exynos 7 Octa 7870) that was released on June 6, 2017, against the Samsung Galaxy A30, which is powered by Exynos 7 Octa 7904 and came out 21 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Key differences
Reasons to consider the Samsung Galaxy J7 (2017)
- Water-resistant body (IP54 classification)
- Shows 23% longer battery life (32:14 vs 26:17 hours)
Reasons to consider the Samsung Galaxy A30
- 2x better performance in AnTuTu Benchmark (175K versus 86K)
- Has a 0.9 inch larger screen size
- Modern USB Type-C port
- Newer Bluetooth version (v5)
- Supports 15W fast charging
- Thinner bezels – 11.8% more screen real estate
- Uses a faster type of memory: LPDDR4X 2133 MHz
- More recent OS version: Android 11 versus 9
- Comes with 400 mAh larger battery capacity: 4000 vs 3600 mAh
- Delivers 14% higher peak brightness (545 against 479 nits)
- Has an ultra-wide angle camera lens
- Slow-motion recording at 120FPS
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.
Value for money
You can enter your local prices of these phones (in USD or other currency) and click on the "Calculate" button to see which one has a better value for money.
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | Super AMOLED | Super AMOLED |
| Size | 5.5 inches | 6.4 inches |
| Resolution | 1080 x 1920 pixels | 1080 x 2340 pixels |
| Aspect ratio | 16:9 | 19.5:9 |
| PPI | 401 ppi | 403 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Adaptive refresh rate | No | No |
| Max rated brightness | 482 nits | 616 nits |
| HDR support | No | No |
| Screen protection | Tempered glass | Corning Gorilla Glass 3 |
| Screen-to-body ratio | 73.1% | 84.9% |
| Display features | - Always-On Display | - Always-On Display |
| PWM | 257 Hz | - |
| Response time | 4.4 ms | - |
Peak brightness test (auto)
Design and build
| Height | 152.5 mm (6 inches) | 158.5 mm (6.24 inches) |
| Width | 74.8 mm (2.94 inches) | 74.7 mm (2.94 inches) |
| Thickness | 8 mm (0.31 inches) | 7.7 mm (0.3 inches) |
| Weight | 181 g (6.38 oz) | 165 g (5.82 oz) |
| Waterproof | IP54 | No |
| Rear material | Metal | Plastic |
| Frame material | Metal | Plastic |
| Colors | Black, Gold, Blue, Pink | White, Black, Blue |
| Fingerprint scanner | Yes, in home button | Yes, rear |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 7 Octa 7870 | Samsung Exynos 7 Octa 7904 |
| Max clock | 1600 MHz | 1800 MHz |
| CPU cores | 8 (8) | 8 (2 + 6) |
| Architecture | - 8 cores at 1.6 GHz: Cortex-A53 | - 6 cores at 1.6 GHz: Cortex-A53 - 2 cores at 1.8 GHz: Cortex-A73 |
| Lithography process | 14 nanometers | 14 nanometers |
| Graphics | Mali-T830 MP1 | Mali-G71 MP2 |
| GPU clock | 600 MHz | 850 MHz |
| FLOPS | ~23 GFLOPS | ~65 GFLOPS |
AnTuTu Benchmark 9
| CPU | 29243 | 55088 |
| GPU | 7316 | 28006 |
| Memory | 21787 | 36707 |
| UX | 28848 | 56023 |
| Total score | 86837 | 175805 |
3DMark Wild Life Performance
| Max surface temperature | 36.5 °C | - |
| Stability | - | 97% |
| Graphics test | - | 2 FPS |
| Graphics score | - | 404 |
Memory
| RAM size | 3 GB | 3, 4 GB |
| Memory type | LPDDR3 | LPDDR4X |
| Memory clock | 933 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage size | 16 GB | 32, 64 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card | MicroSD | MicroSD |
| Memory card max size | Up to 256 GB | Up to 512 GB |
Software
| Operating system | Android 7.0 (Can be upgraded to Android 9.0) | Android 9.0 (Can be upgraded to Android 11) |
| ROM | TouchWiz UI | One UI 3.1 |
| OS size | 6.1 GB | 11.2 GB |
Battery
| Capacity | 3600 mAh | 4000 mAh |
| Max charge power | - | 15 W |
| Battery type | Li-Ion | Li-Ion |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | No | Yes, Samsung Adaptive Fast Charge (40% in 30 min) |
| Full charging time | 2:20 hr | 1:50 hr |
| Web browsing | 11:36 hr | 08:50 hr |
| Watching video | 13:48 hr | 11:37 hr |
| Gaming | 07:58 hr | 05:35 hr |
| Standby | 97 hr | 86 hr |
General battery life
Camera
| Matrix | 13 megapixels | 16 megapixels |
| Image resolution | 4128 x 3096 | 4616 x 3464 |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Digital |
| 8K video recording | No | No |
| 4K video recording | No | No |
| 1080p video recording | Up to 30FPS | Up to 30FPS |
| Slow motion | No | 120 FPS (720p) |
| Angle of widest lens | - | 123° |
| Lenses | 1 (13 MP) | 2 (16 MP + 5 MP) |
| Wide (main) lens | - 13 MP - Aperture: f/1.7 - Focal length: 27 mm - Pixel size: 1.12 micron - Sensor: 1/3.1", Sony IMX258 (CMOS) - Phase autofocus |
- 16 MP - Aperture: f/1.7 - Focal length: 27 mm - Phase autofocus |
| Ultra-wide lens | - | - 5 MP - Aperture: f/2.2 - Focal length: 12 mm |
| Camera features | - | - Pro mode |
| Megapixels | 13 megapixels | 16 megapixels |
| Image resolution | 4160 x 3120 | 4608 x 3456 |
| Aperture | f/1.9 | f/2.0 |
| Focal length | 28 mm | 26 mm |
| Pixel size | - | 1 microns |
| Sensor type | CMOS | BSI CMOS |
| Sensor size | - | 1/3.06" |
| Video resolution | 1080p (Full HD) at 30 FPS | 1080p (Full HD) at 30 FPS |
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 b/g/n) | Wi-Fi 5 (802.11 a/b/g/n/ac) |
| Wi-Fi features | - Dual Band - Wi-Fi Direct - Wi-Fi Hotspot |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot |
| Bluetooth version | 4.1 | 5 |
| Bluetooth features | SPP, PBAP/PAB, OPP, MAP, HID, HFP, HDP, AVRCP, A2DP | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP |
| USB type | Micro USB | USB Type-C |
| USB version | 2 | 2 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| GPS | GPS, GLONASS, Beidou | GPS, GLONASS, Beidou |
| NFC* | Yes | Yes |
| Infrared port | No | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | No |
| Hybrid slot | No | No |
| LTE Cat* | 6 | 10 |
| 5G support | No | No |
Sound
| Speakers | Mono | Mono |
| Headphone audio jack | Yes | Yes |
| FM radio | Yes | Yes |
| Dolby Atmos | No | Yes |
Speakers test
Max loudness
Other
| Category | Budget | Mid-range |
| Announced | June 2017 | February 2019 |
| Release date | July 2017 | March 2019 |
| SAR (head) | 0.567 W/kg | 0.25 W/kg |
| SAR (body) | 1.33 W/kg | 1.17 W/kg |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Hall-effect sensor - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
After analyzing all the data, we think that the Samsung Galaxy A30 is definitely a better buy.
Cast your vote
Total votes: 13