In depth comparison and review of Samsung Galaxy J7 and Samsung Galaxy A3 (2017). Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Samsung Galaxy J7 | Samsung Galaxy A3 (2017) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J700F | SM-A320F | |
| Form Factor | Touch | Touch | |
| Height | 152.4 mm | 135.4 mm | Samsung Galaxy J7 has greater height than Samsung Galaxy A3 (2017). |
| Width | 78.6 mm | 66.2 mm | Samsung Galaxy J7 has greater width than Samsung Galaxy A3 (2017). |
| Depth | 7.5 mm | 7.9 mm | Samsung Galaxy J7 is narrower than Samsung Galaxy J7. |
| Weight | 171 g | 138 g | Samsung Galaxy A3 (2017) is lighter than Samsung Galaxy J7. |
| Body Colour | Gold | White | Black | Sand gold | Blue mist | Blue-mist | Gold-sand | Black-sky | Peach-cloud | |
| Body Material | - | Metal, glass | |
| Protection | - | Dustproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | Samsung Galaxy A3 (2017) is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 0.373 W/kg (body), 0.503 W/kg (head) | 1.38 W/kg (body), 0.349 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | Samsung Galaxy J7 | Samsung Galaxy A3 (2017) |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | HD Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 4.7" | Samsung Galaxy J7 has larger screen size than Samsung Galaxy A3 (2017). |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1280 x 720 pixels | Both phones have the same screen resolution. |
| Display Format | HD | HD | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | Always-on display |
| PROCESSOR | Samsung Galaxy J7 | Samsung Galaxy A3 (2017) |
|---|
| Clock Speed | 1.5 GHz | 1.6 GHz | Samsung Galaxy A3 (2017) has higher clock speed than Samsung Galaxy J7. |
|---|---|---|---|
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| MEMORY | Samsung Galaxy J7 | Samsung Galaxy A3 (2017) |
|---|
| RAM | 1.5 GB | 2 GB | Samsung Galaxy A3 (2017) has more RAM than Samsung Galaxy J7. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 16 GB | Both phones have the same internal memory capacity. |
| User Memory | 11.6 GB | 9.7 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy J7 | Samsung Galaxy A3 (2017) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Sensor Type | CMOS | CMOS | |
| Lens Aperture | - | F/1.9 | |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | - | Food mode | |
| Light Source | LED light | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | - | Quick Launch |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Samsung Galaxy A3 (2017) has better front camera resolution than Samsung Galaxy J7. |
| Sensor Type (Front) | CMOS | CMOS | |
| Lens Aperture (Front) | - | F/1.9 | |
| Light Source (Front) | Flash | - |
| BATTERY AND CHARGING | Samsung Galaxy J7 | Samsung Galaxy A3 (2017) |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 2350 mAh | Samsung Galaxy J7 has larger battery capacity than Samsung Galaxy A3 (2017). |
|---|---|---|---|
| Talk Time | 1080 minutes | 1020 minutes | Samsung Galaxy J7 has longer battery life when making calls than Samsung Galaxy A3 (2017). |
| Run Time Details | Talk (WCDMA): up to 1080 min Active online usage (WCDMA): up to 9 hrs Active online usage (LTE): up to 9 hrs Active online usage (Wi-Fi): up to 11 hrs Playback (audio): up to 76 hrs Playback (video): up to 13 hrs |
Talk (3G): up to 1020 min Active online usage (3G): up to 12 hrs Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (video): up to 17 hrs Playback (Music): up to 41 hrs Playback (audio (Always On Display Off)): up to 55 hrs |
| CELLULAR | Samsung Galaxy J7 | Samsung Galaxy A3 (2017) |
|---|
| 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 6.0.1 (Marshmallow) | |
| Payment Technology | - | Samsung Pay | |
| Navigation | GPS, GLONASS | GPS, GLONASS |
| COMMUNICATIONS | Samsung Galaxy J7 | Samsung Galaxy A3 (2017) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, 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 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n, ANT+/ANT | IEEE 802.11a/b/g/n/ac, ANT+/ANT | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.2 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP | |
| NFC | - | Yes | Samsung Galaxy A3 (2017) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J7 | Samsung Galaxy A3 (2017) |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA | WAV, WMA, AAC, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, XMF, AAC +, OGG, eAAC+, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, MPEG-4, 3GP, M4V, WebM, 3G2 | MKV, VC-1, FLV, AVI, MPEG-4, WMV, ASF, 3GP, H.264, H.263, M4V, WebM, HEVC, MP43, 3G2, WMV8, VP8, VP9, H.265 |
| FEATURES | Samsung Galaxy J7 | Samsung Galaxy A3 (2017) |
|---|
| 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, hall sensor | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Ultra Power Saving Mode | S-Voice, Samsung KNOX |
| OTHERS | Samsung Galaxy J7 | Samsung Galaxy A3 (2017) |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | IP68 | |
| Max Depth of Water Resistance | - | 1.5 m |
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