In depth comparison and review of Samsung Galaxy A51 and Samsung Galaxy A71. 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 A51 | Samsung Galaxy A71 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A515F/DSN | SM-A715F/DS | |
| Form Factor | Touch | Touch | |
| Height | 158.5 mm | 163.6 mm | Samsung Galaxy A71 has greater height than Samsung Galaxy A51. |
| Width | 73.6 mm | 76 mm | Samsung Galaxy A71 has greater width than Samsung Galaxy A51. |
| Depth | 7.9 mm | 7.7 mm | Samsung Galaxy A71 is narrower than Samsung Galaxy A51. |
| Weight | 172 g | 179 g | Samsung Galaxy A51 is lighter than Samsung Galaxy A51. |
| Body Colour | Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white | Prism crush silver | Prism crush blue | Prism crush black | Haze crush silver | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) | 1.562 W/kg (body), 0.512 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C 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 | Dual-SIM |
| DISPLAY | Samsung Galaxy A51 | Samsung Galaxy A71 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | Super AMOLED Plus | |
| Screen Size (Display Size) | 6.5" | 6.7" | Samsung Galaxy A71 has larger screen size than Samsung Galaxy A51. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2400 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 408 ppi | 394 ppi | Samsung Galaxy A51 has better pixel density than Samsung Galaxy A71. |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| HDR | - | Yes | Samsung Galaxy A71 has HDR. |
| Display Enhancement Technology | - | Blue light filter | |
| Display Features | Edge-to-Edge screen, Infinity O display | Infinity O display |
| PROCESSOR | Samsung Galaxy A51 | Samsung Galaxy A71 |
|---|
| Processor Type (CPU) | Samsung Exynos 9611 | Qualcomm Snapdragon 730 | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 2.2 GHz | Samsung Galaxy A51 has higher clock speed than Samsung Galaxy A71. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| MEMORY | Samsung Galaxy A51 | Samsung Galaxy A71 |
|---|
| RAM | 4 GB | 6 GB | Samsung Galaxy A71 has more RAM than Samsung Galaxy A51. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | 107 GB | 106.1 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Samsung Galaxy A51 | Samsung Galaxy A71 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 64 Megapixel | Samsung Galaxy A71 has better camera resolution than Samsung Galaxy A51. |
| Lens Aperture | F/2.0 | F/1.8 | Samsung Galaxy A71 has better lens aperture than Samsung Galaxy A51. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | 8x | Both phones have the same digital zoom. |
| Special Effects | - | Bokeh effect | |
| Camera Modes | Slow motion mode, Live Focus mode | Pro mode, night mode, HYPERLAPSE, Super slow motion, AR Emoji, Food, Portrait, Pano mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 fps, Slo-mo video 1280 x 720 (720p) at 960 fps, Slo-mo video 1280 x 720 (720p) at 480 fps | |
| Camera Features (Functions) | AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur | Live Focus |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 12 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 123 degree(s) | 123 degree(s) | Both phones have the same second camera lens field of view. |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 5 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Camera Functions (3rd Camera) | Macro camera | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | 5 Megapixel | Both phones have the same resolution of the fourth camera. |
|---|---|---|---|
| Lens Type (4th Camera) | Telephoto lens | - | |
| Lens Aperture (4th Camera) | F/2.2 | F/2.2 | Both phones have the same lens aperture of the fourth camera. |
| Camera Functions (4th Camera) | Depth camera | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 32 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | Focus free | - | |
| Camera Modes (Front) | - | Selfie focus | |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | Background blur |
| BATTERY AND CHARGING | Samsung Galaxy A51 | Samsung Galaxy A71 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4500 mAh | Samsung Galaxy A71 has larger battery capacity than Samsung Galaxy A51. |
|---|---|---|---|
| Fast Charging Technology | - | Samsung Super Fast Charging | Samsung Galaxy A71 has fast charging technology. |
| Talk Time | 1920 minutes | 2520 minutes | Samsung Galaxy A71 has longer battery life when making calls than Samsung Galaxy A51. |
| Run Time Details | 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 |
Active online usage (4G): up to 16 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (audio): up to 107 hrs Talk (4G): up to 2520 min Playback (video): up to 24 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy A51 | Samsung Galaxy A71 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 10 | Android 10 | |
| User Interface | One UI | Samsung One UI 2 | |
| Intelligent Assistant | Bixby | Bixby | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A51 | Samsung Galaxy A71 |
|---|
| 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 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | 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 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | 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 | 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 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, 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 A51 | Samsung Galaxy A71 |
|---|
| 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, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | - | Dolby Atmos sound technology |
| FEATURES | Samsung Galaxy A51 | Samsung Galaxy A71 |
|---|
| 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, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display) | |
| Additional Phone Features | Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines | Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines |
| OTHERS | Samsung Galaxy A51 | Samsung Galaxy A71 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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