In depth comparison and review of Samsung Galaxy A3 (2017) and Samsung Galaxy A40. 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 A3 (2017) | Samsung Galaxy A40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A320F | SM-A405FN/DS | |
| Form Factor | Touch | Touch | |
| Height | 135.4 mm | 144.4 mm | Samsung Galaxy A40 has greater height than Samsung Galaxy A3 (2017). |
| Width | 66.2 mm | 69.2 mm | Samsung Galaxy A40 has greater width than Samsung Galaxy A3 (2017). |
| Depth | 7.9 mm | 7.9 mm | Both phones are the same depth. |
| Weight | 138 g | 140 g | Samsung Galaxy A3 (2017) is lighter than Samsung Galaxy A3 (2017). |
| Body Colour | Sand gold | Blue mist | Blue-mist | Gold-sand | Black-sky | Peach-cloud | Blue | Coral | White | Black | |
| Body Material | Metal, glass | - | |
| Protection | Dustproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy A3 (2017) is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 1.38 W/kg (body), 0.349 W/kg (head) | 1.34 W/kg (body), 0.49 W/kg (head) | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy A3 (2017) | Samsung Galaxy A40 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | Super AMOLED | |
| Screen Size (Display Size) | 4.7" | 5.9" | Samsung Galaxy A40 has larger screen size than Samsung Galaxy A3 (2017). |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2340 x 1080 pixels | Samsung Galaxy A40 has better screen resolution than Samsung Galaxy A3 (2017). |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 439 ppi | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Enhancement Technology | - | Blue light filter | |
| Display Features | Always-on display | Always-on display, Infinity Display, Edge-to-Edge screen |
| PROCESSOR | Samsung Galaxy A3 (2017) | Samsung Galaxy A40 |
|---|
| Processor Type (CPU) | - | Samsung Exynos | |
|---|---|---|---|
| Processor Number | - | 7904 | |
| Clock Speed | 1.6 GHz | 1.8 GHz | Samsung Galaxy A40 has higher clock speed than Samsung Galaxy A3 (2017). |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| MEMORY | Samsung Galaxy A3 (2017) | Samsung Galaxy A40 |
|---|
| RAM | 2 GB | 4 GB | Samsung Galaxy A40 has more RAM than Samsung Galaxy A3 (2017). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Samsung Galaxy A40 has more internal memory than Samsung Galaxy A3 (2017). |
| User Memory | 9.7 GB | 49.4 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Samsung Galaxy A3 (2017) | Samsung Galaxy A40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | Samsung Galaxy A40 has better camera resolution than Samsung Galaxy A3 (2017). |
| Sensor Type | CMOS | - | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/1.9 | F/1.7 | Samsung Galaxy A40 has better lens aperture than Samsung Galaxy A3 (2017). |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | Food mode | Panorama, Pro mode, HYPERLAPSE, portrait mode, AR Emoji, Flowers, Animals, Landscapes, Trees, Sky, Mountains, Beaches, Street scenes, Waterfalls, Snow, Birds, Text, Food, Indoor, Night view, Sunsets, Portaits, Green, Sunrises, Shore | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Quick Launch | AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 123 degree(s) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 25 Megapixel | Samsung Galaxy A40 has better front camera resolution than Samsung Galaxy A3 (2017). |
| Sensor Type (Front) | CMOS | - | |
| Lens Aperture (Front) | F/1.9 | F/2.0 | Samsung Galaxy A3 (2017) has better front lens aperture than Samsung Galaxy A3 (2017). |
| Focus Adjustment | - | Automatic | |
| Camera Modes (Front) | - | Portrait mode, AR Emoji, Motion Photos | |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | Floating camera button |
| BATTERY AND CHARGING | Samsung Galaxy A3 (2017) | Samsung Galaxy A40 |
|---|
| Battery Capacity (Battery Size) | 2350 mAh | 3100 mAh | Samsung Galaxy A40 has larger battery capacity than Samsung Galaxy A3 (2017). |
|---|---|---|---|
| Fast Charging Technology | - | Samsung Fast Charging | Samsung Galaxy A40 has fast charging technology. |
| Talk Time | 1020 minutes | 1080 minutes | Samsung Galaxy A40 has longer battery life when making calls than Samsung Galaxy A3 (2017). |
| Run Time Details | 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 |
Active online usage (3G): up to 9 hrs Active online usage (4G): up to 11 hrs Active online usage (Wi-Fi): up to 11 hrs Playback (video): up to 14 hrs Playback (audio): up to 62 hrs Talk (3G): up to 1080 min |
| CELLULAR | Samsung Galaxy A3 (2017) | Samsung Galaxy A40 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0.1 (Marshmallow) | Android 9.0 Pie | |
| User Interface | - | Samsung One UI | |
| Intelligent Assistant | - | Bixby | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A3 (2017) | Samsung Galaxy A40 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, 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 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 40 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11a/b/g/n/ac, ANT+ | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy A3 (2017) | Samsung Galaxy A40 |
|---|
| Supported Digital Audio Standards | 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 | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, FLV, AVI, MPEG-4, WMV, ASF, 3GP, H.264, H.263, M4V, WebM, HEVC, MP43, 3G2, WMV8, VP8, VP9, H.265 | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | |
| Sound Enhancements | - | Dolby Atmos sound technology |
| FEATURES | Samsung Galaxy A3 (2017) | Samsung Galaxy A40 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | S-Voice, Samsung KNOX | Alarm Clock, Fast Charging |
| OTHERS | Samsung Galaxy A3 (2017) | Samsung Galaxy A40 |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | IP68 | - | |
| Max Depth of Water Resistance | 1.5 m | - |
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