Detailed comparison and review of Samsung Galaxy J7 (2017) DUOS and Google Pixel 7a. 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) DUOS | Google Pixel 7a |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J730F/DS | GHL1X | |
| Form Factor | Touch | Touch | |
| Height | 152.5 mm | 152 mm | Samsung Galaxy J7 (2017) DUOS has greater height than Google Pixel 7a. |
| Width | 74.8 mm | 72.9 mm | Samsung Galaxy J7 (2017) DUOS has greater width than Google Pixel 7a. |
| Depth | 8 mm | 9 mm | Samsung Galaxy J7 (2017) DUOS is narrower than Samsung Galaxy J7 (2017) DUOS. |
| Weight | 181 g | 193.5 g | Samsung Galaxy J7 (2017) DUOS is lighter than Samsung Galaxy J7 (2017) DUOS. |
| Body Colour | Black | Sea | Snow | Charcoal | |
| Body Material | - | Tactile alloy frame, 3D thermoformed composite back | |
| Protection | - | Water-resistant, dust-resistant, fingerprint-resistant | |
| Waterproof (Water-resistant) | - | Yes | Google Pixel 7a is waterproof. |
| IP rating | - | IP67 | |
| Repairability Index | - | 8 (out of 10) | |
| SAR Value | 1.33 W/kg (body), 0.567 W/kg (head) | 2.99 W/kg (limb), 1.3 W/kg (body), 0.99 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 | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy J7 (2017) DUOS | Google Pixel 7a |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Full HD Super AMOLED | OLED | |
| Screen Size (Display Size) | 5.5" | 6.1" | Google Pixel 7a has larger screen size than Samsung Galaxy J7 (2017) DUOS. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2400 x 1080 pixels | Google Pixel 7a has better screen resolution than Samsung Galaxy J7 (2017) DUOS. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | - | 429 ppi | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 1000000:1 | |
| HDR | - | Yes | Google Pixel 7a has HDR. |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Always-on display | Always-on display, Now Playing, Smooth Display (up to 90 Hz), High brightness mode, At a Glance | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy J7 (2017) DUOS | Google Pixel 7a |
|---|
| Processor Type (CPU) | - | Google Tensor G2 - with Titan M2 security | |
|---|---|---|---|
| Clock Speed | 1.6 GHz | - | |
| Processor Core Qty | 8-core | - |
| MEMORY | Samsung Galaxy J7 (2017) DUOS | Google Pixel 7a |
|---|
| RAM | 3 GB | LPDDR5 SDRAM - 8 GB | Google Pixel 7a has more RAM than Samsung Galaxy J7 (2017) DUOS. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Google Pixel 7a has more internal memory than Samsung Galaxy J7 (2017) DUOS. |
| User Memory | 10 GB | - | |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
| CAMERA | Samsung Galaxy J7 (2017) DUOS | Google Pixel 7a |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 64 Megapixel | Google Pixel 7a has better camera resolution than Samsung Galaxy J7 (2017) DUOS. |
| Sensor Size | - | 1/1.73" | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/1.7 | F/1.89 | Samsung Galaxy J7 (2017) DUOS has better lens aperture than Samsung Galaxy J7 (2017) DUOS. |
| Field of View (FoV) | - | 80 degree(s) | |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Google Pixel 7a has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 5x | |
| HDR Mode | - | Live HDR+ | |
| Camera Modes | - | Panorama, portrait mode, Night Sight, Long exposure mode, Top Shot, Super Res Zoom, Frequent Faces, Real Tone, Face Unblur, Magic Eraser, Portrait Light, Motion autofocus, Astrophotography timelapse, slow motion video at 240fps, Photo Unblur | |
| White Balance | - | Custom | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps | |
| Camera Features (Functions) | - | Electronic Image Stabiliser (EIS), Stereo Recording, HEVC (High Efficiency Video coding), Dual Exposure Controls, 4K Cinematic Pan video stabilisation, 4K Locked video stabilisation, 1080p Active video stabilisation, Fused video stabilisation, speech enhancement, Super Res Zoom up to 8x, Fast camera launcher, AVC (H.264), Wind noise reduction, Locked Folder, Quad PD Quad Bayer wide camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 13 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 120 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Camera Features (2nd Camera) | - | Dual Pixel Phase Detect Auto-Focus (PDAF), Lens correction |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 13 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/1.9 | F/2.2 | Samsung Galaxy J7 (2017) DUOS has better front lens aperture than Samsung Galaxy J7 (2017) DUOS. |
| Field of View (Front) | - | 95 degree(s) | |
| Pixel Size (Front) | - | 1.22 μm | |
| Focus Adjustment | - | Focus free | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps |
| BATTERY AND CHARGING | Samsung Galaxy J7 (2017) DUOS | Google Pixel 7a |
|---|
| Battery Capacity (Battery Size) | 3600 mAh | 4385 mAh | Google Pixel 7a has larger battery capacity than Samsung Galaxy J7 (2017) DUOS. |
|---|---|---|---|
| Wireless Charging | - | Yes | Google Pixel 7a can be charged wirelessly. |
| Wireless Charging Standards | - | Qi | |
| Talk Time | 1440 minutes | - | |
| 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 |
Mixed usage: up to 24 hrs Mixed usage (Extreme Battery Saver): up to 72 hrs |
| CELLULAR | Samsung Galaxy J7 (2017) DUOS | Google Pixel 7a |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Google Pixel 7a has more advanced generation mobile network. |
| Operating System | Google Android | Android 13 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy J7 (2017) DUOS | Google Pixel 7a |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | EDGE, HSDPA, HSPA+, LTE, 5G NR FR1 | |
|---|---|---|---|
| 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 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 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 17, Band 18, Band 19, Band 20, Band 21, Band 25, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, 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 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1500 upper, FDD 1900+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n75, n76, n77, n78, n79, n40, n25, n12 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, SDL DL 1500+, SDL DL 1500-, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300, FDD 1900, n12 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | Wi-Fi 6E | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.3 BLE | |
| 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 | - |
| MEDIA | Samsung Galaxy J7 (2017) DUOS | Google Pixel 7a |
|---|
| Supported Digital Audio Standards | 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 | H.264 AVC, H.265 HEVC |
| FEATURES | Samsung Galaxy J7 (2017) DUOS | Google Pixel 7a |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, barometer, magnetometer, gyro sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display), face recognition | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | - | Dual microphones, MIMO technology, Noise suppression, Fast Charging, Google Cast, dual stereo speakers, 5 years of Security Updates, Private Compute Core, Built-in VPN powered by Google One, End-to-end security designed by Google, anti-phishing, anti-malware protection, Live Translate, Titan M2 Security Module, microphone toggle, camera toggle |
| OTHERS | Samsung Galaxy J7 (2017) DUOS | Google Pixel 7a |
|---|
| Included Accessories | Power adapter | SIM card removal tool, Quick switch adapter, USB-C to USB-C cable (1 m) | |
|---|---|---|---|
| Compliant Standards | - | IP67, HEARING AID M3/T3 | |
| Product Recycled Content | - | 100 % - aluminium housing |
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