In depth comparison and review of Samsung Galaxy A7 (2018) and Samsung Galaxy A51. 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 A7 (2018) | Samsung Galaxy A51 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A750FN/DS | SM-A515F/DSN | |
| Form Factor | Touch | Touch | |
| Height | 159.8 mm | 158.5 mm | Samsung Galaxy A7 (2018) has greater height than Samsung Galaxy A51. |
| Width | 76.8 mm | 73.6 mm | Samsung Galaxy A7 (2018) has greater width than Samsung Galaxy A51. |
| Depth | 7.5 mm | 7.9 mm | Samsung Galaxy A7 (2018) is narrower than Samsung Galaxy A7 (2018). |
| Weight | 168 g | 172 g | Samsung Galaxy A7 (2018) is lighter than Samsung Galaxy A7 (2018). |
| Body Colour | Gold | Blue | Black | Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.425 W/kg (body), 0.335 W/kg (head) | 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
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 | Dual-SIM |
| DISPLAY | Samsung Galaxy A7 (2018) | Samsung Galaxy A51 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | Super AMOLED | |
| Screen Size (Display Size) | 6" | 6.5" | Samsung Galaxy A51 has larger screen size than Samsung Galaxy A7 (2018). |
| Screen Resolution (Display Resolution) | 2220 x 1080 pixels | 2400 x 1080 pixels | Samsung Galaxy A51 has better screen resolution than Samsung Galaxy A7 (2018). |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | - | 408 ppi | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | Always-on display, 2.5D Glass | Edge-to-Edge screen, Infinity O display |
| PROCESSOR | Samsung Galaxy A7 (2018) | Samsung Galaxy A51 |
|---|
| Processor Type (CPU) | - | Samsung Exynos 9611 | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 2.3 GHz | Samsung Galaxy A51 has higher clock speed than Samsung Galaxy A7 (2018). |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | Samsung Galaxy A51 has 64-bit architecture. |
| MEMORY | Samsung Galaxy A7 (2018) | Samsung Galaxy A51 |
|---|
| RAM | 4 GB | 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Samsung Galaxy A51 has more internal memory than Samsung Galaxy A7 (2018). |
| User Memory | 50.2 GB | 107 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Samsung Galaxy A7 (2018) | Samsung Galaxy A51 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 24 Megapixel | 48 Megapixel | Samsung Galaxy A51 has better camera resolution than Samsung Galaxy A7 (2018). |
| Lens Aperture | F/1.7 | F/2.0 | Samsung Galaxy A7 (2018) has better lens aperture than Samsung Galaxy A7 (2018). |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Camera Modes | - | Slow motion mode, Live Focus mode | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | - | AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 12 Megapixel | Samsung Galaxy A51 has better second camera resolution than Samsung Galaxy A7 (2018). |
|---|---|---|---|
| Lens Type (2nd Camera) | Wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Samsung Galaxy A51 has better second camera lens aperture than Samsung Galaxy A7 (2018). |
| Field of View (2nd Camera) | - | 123 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 5 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.2 | F/2.4 | Samsung Galaxy A7 (2018) has better third camera lens aperture than Samsung Galaxy A7 (2018). |
| Camera Functions (3rd Camera) | Depth camera | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Type (4th Camera) | - | Telephoto lens | |
| Lens Aperture (4th Camera) | - | F/2.2 | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 24 Megapixel | 32 Megapixel | Samsung Galaxy A51 has better front camera resolution than Samsung Galaxy A7 (2018). |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Samsung Galaxy A7 (2018) has better front lens aperture than Samsung Galaxy A7 (2018). |
| Focus Adjustment | - | Focus free | |
| Light Source (Front) | Flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | - |
| BATTERY AND CHARGING | Samsung Galaxy A7 (2018) | Samsung Galaxy A51 |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 4000 mAh | Samsung Galaxy A51 has larger battery capacity than Samsung Galaxy A7 (2018). |
|---|---|---|---|
| Talk Time | 1140 minutes | 1920 minutes | Samsung Galaxy A51 has longer battery life when making calls than Samsung Galaxy A7 (2018). |
| Run Time Details | Talk (WCDMA): up to 1140 min Active online usage (WCDMA): up to 13 hrs Active online usage (LTE): up to 14 hrs Active online usage (Wi-Fi): up to 14 hrs Playback (video): up to 17 hrs Playback (audio): up to 48 hrs Playback (audio (Always On Display Off)): up to 74 hrs |
Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 20 hrs Playback (audio): up to 87 hrs Talk (4G): up to 1920 min |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Samsung Galaxy A7 (2018) | Samsung Galaxy A51 |
|---|
| 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 10 | |
| User Interface | - | One UI | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A7 (2018) | Samsung Galaxy A51 |
|---|
| 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 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 38, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, 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 2600, TDD 2300, TDD 2500 | 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 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+ | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 LE | |
| Bluetooth Profiles | - | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy A7 (2018) | Samsung Galaxy A51 |
|---|
| 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, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 |
| FEATURES | Samsung Galaxy A7 (2018) | Samsung Galaxy A51 |
|---|
| 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, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | - | Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines |
| OTHERS | Samsung Galaxy A7 (2018) | Samsung Galaxy A51 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
