Samsung Galaxy J7 (2017) vs Galaxy A30

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 gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy J7 (2017)
  • Water-resistant body (IP54 classification)
  • Shows 17% longer battery life (108 vs 92 hours)
Reasons to consider the Samsung Galaxy A30
  • Has a 0.9 inch larger screen size
  • 54% better performance in AnTuTu Benchmark (151K versus 98K)
  • 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 maximum brightness (553 against 486 nits)
  • Has an ultra-wide angle camera lens
  • Slow-motion recording at 120FPS
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Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests

Display

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
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
Display tests
PWM 257 Hz -
Response time 4.4 ms -
Max. Brightness
486 nits
Galaxy A30 +14%
553 nits
Sources: NotebookCheck [3]

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 gramm (6.38 oz) 165 gramm (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
Galaxy A30 +16%
84.9%

Performance

Tests of Samsung Galaxy J7 (2017) and Samsung Galaxy A30 in the benchmarks
SoC
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
Memory
RAM size 3 GB 3, 4 GB
Memory type LPDDR3 LPDDR4X
Memory clock 933 MHz 2133 MHz
Channels 2 2
Storage
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
AnTuTu Benchmark 9
Galaxy A30 +54%
151466
CPU 37842 50057
GPU 8879 23292
Memory 24965 28923
UX 25972 47973
Total score 98488 151466
3DMark Wild Life Performance
Stability - 97%
Graphics test - 2 FPS
Graphics score - 404
Sources: 3DMark [3]

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

Specifications
Capacity 3600 mAh 4000 mAh
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

Battery life tests

Web browsing (Wi-Fi)
14:15 hr
11:37 hr
Watching videos (Player)
16:23 hr
14:33 hr
Talk (3G)
26:29 hr
24:46 hr

Camera

Specs and camera test of smartphones
Main 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
Selfie camera
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
Network
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
87.1 dB
68.4 dB

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

So, which phone would you choose?
5 (50%)
5 (50%)
Total votes: 10

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