Detailed comparison and review of Samsung Galaxy J7 (2017) and Samsung Galaxy A8 (2018). With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Samsung Galaxy J7 (2017) | Samsung Galaxy A8 (2018) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J730F/DS | SM-A530F | |
| Form Factor | Touch | Touch | |
| Height | 152.5 mm | 149.2 mm | Samsung Galaxy J7 (2017) has greater height than Samsung Galaxy A8 (2018). |
| Width | 74.8 mm | 70.6 mm | Samsung Galaxy J7 (2017) has greater width than Samsung Galaxy A8 (2018). |
| Depth | 8 mm | 8.4 mm | Samsung Galaxy J7 (2017) is narrower than Samsung Galaxy J7 (2017). |
| Weight | 181 g | 172 g | Samsung Galaxy A8 (2018) is lighter than Samsung Galaxy J7 (2017). |
| Body Colour | Gold | Orchid grey | Gold | Black | |
| Protection | - | Dustproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | Samsung Galaxy A8 (2018) is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.33 W/kg (body), 0.567 W/kg (head) | 1.25 W/kg (body), 0.241 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | Samsung Galaxy J7 (2017) | Samsung Galaxy A8 (2018) |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Full HD Super AMOLED | Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 5.6" | Samsung Galaxy A8 (2018) has larger screen size than Samsung Galaxy J7 (2017). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2220 x 1080 pixels | Samsung Galaxy A8 (2018) has better screen resolution than Samsung Galaxy J7 (2017). |
| Display Format | Full HD | - | |
| Pixel Density | - | 440 ppi | |
| Aspect Ratio | - | 18.5:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | Always-on display | Always-on display, Infinity Display |
| PROCESSOR | Samsung Galaxy J7 (2017) | Samsung Galaxy A8 (2018) |
|---|
| Processor Type (CPU) | - | Samsung Exynos | |
|---|---|---|---|
| Processor Number | - | 7885 | |
| Clock Speed | 1.6 GHz | 2.2 GHz | Samsung Galaxy A8 (2018) has higher clock speed than Samsung Galaxy J7 (2017). |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | Samsung Galaxy A8 (2018) has 64-bit architecture. |
| MEMORY | Samsung Galaxy J7 (2017) | Samsung Galaxy A8 (2018) |
|---|
| RAM | 3 GB | 4 GB | Samsung Galaxy A8 (2018) has more RAM than Samsung Galaxy J7 (2017). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Samsung Galaxy A8 (2018) has more internal memory than Samsung Galaxy J7 (2017). |
| User Memory | 10 GB | 22.7 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy J7 (2017) | Samsung Galaxy A8 (2018) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | Samsung Galaxy A8 (2018) has better camera resolution than Samsung Galaxy J7 (2017). |
| Sensor Size | - | 1/2.8" | |
| Lens Aperture | F/1.7 | F/1.7 | Both phones have the same camera lens aperture. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 4x | |
| Special Effects | - | HDR, Beauty effect, Grid Line | |
| Camera Modes | - | Panorama, Pro mode, night mode, Beauty mode, HYPERLAPSE, low-light shots, Food mode | |
| Face Recognition (Face ID) | - | Face detection | Samsung Galaxy A8 (2018) has face detection. |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | - | Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), VDIS (Video Digital Image Stabilisation), Hyperlapse video with stabilisation, Tracking AF, Video location tags, Live stickers, Stamps, location tags, High CRI flash |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 16 Megapixel | Samsung Galaxy A8 (2018) has better front camera resolution than Samsung Galaxy J7 (2017). |
| Sensor Size (Front) | - | 1/3.1" | |
| Lens Aperture (Front) | F/1.9 | F/1.9 | Both phones have the same front camera lens aperture. |
| Special Effects (Front) | - | HDR, Grid Line | |
| Camera Modes (Front) | - | Night mode, wide selfie mode, Beauty mode, Live Focus mode | |
| Camera Features (Front) | - | Quick launch, Live stickers, Stamps, location tags |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Front) | - | F/1.9 |
| BATTERY AND CHARGING | Samsung Galaxy J7 (2017) | Samsung Galaxy A8 (2018) |
|---|
| Battery Capacity (Battery Size) | 3600 mAh | 3000 mAh | Samsung Galaxy J7 (2017) has larger battery capacity than Samsung Galaxy A8 (2018). |
|---|---|---|---|
| Talk Time | 1440 minutes | 1140 minutes | Samsung Galaxy J7 (2017) has longer battery life when making calls than Samsung Galaxy A8 (2018). |
| Run Time Details | Active online usage (WCDMA): up to 12 hrs Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 18 hrs Playback (audio): up to 59 hrs Playback (audio (Always On Display Off)): up to 91 hrs Talk (WCDMA): up to 1440 min |
Active online usage (3G): up to 12 hrs Active online usage (LTE): up to 14 hrs Active online usage (Wi-Fi): up to 15 hrs Playback (video): up to 17 hrs Playback (audio): up to 43 hrs Playback (audio (Always On Display Off)): up to 64 hrs Talk (3G): up to 1140 min |
| CELLULAR | Samsung Galaxy J7 (2017) | Samsung Galaxy A8 (2018) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | Android 7.1.1 Nougat | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy J7 (2017) | Samsung Galaxy A8 (2018) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11a/b/g/n/ac, ANT+/ANT | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, HOGP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J7 (2017) | Samsung Galaxy A8 (2018) |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 |
| FEATURES | Samsung Galaxy J7 (2017) | Samsung Galaxy A8 (2018) |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | - | Fast Charging, S-Voice, Samsung KNOX, Dual Messenger, Smart View, Bixby Vision, Secure Folder function, MEMS microphones |
| OTHERS | Samsung Galaxy J7 (2017) | Samsung Galaxy A8 (2018) |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | IP68 | |
| Max Depth of Water Resistance | - | 1.5 m |
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