In depth comparison and review of Samsung Galaxy A51 and Realme 7. 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 | Realme 7 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A515F/DSN | - | |
| Form Factor | Touch | Touch | |
| Height | 158.5 mm | 162.3 mm | Realme 7 has greater height than Samsung Galaxy A51. |
| Width | 73.6 mm | 75.4 mm | Realme 7 has greater width than Samsung Galaxy A51. |
| Depth | 7.9 mm | 9.4 mm | Samsung Galaxy A51 is narrower than Samsung Galaxy A51. |
| Weight | 172 g | 196.5 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 | Blue mist | White mist | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) | 0.972 W/kg (head), 1.218 W/kg (body), 2.022 W/kg (limb) | |
| 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 | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A51 | Realme 7 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super AMOLED | LCD | |
| Screen Size (Display Size) | 6.5" | 6.5" | Both phones have the same screen size. |
| 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 | 405 ppi | Samsung Galaxy A51 has better pixel density than Realme 7. |
| Colour Depth | 16.7 million colours | - | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Edge-to-Edge screen, Infinity O display | 90Hz Ultra Smooth Display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A51 | Realme 7 |
|---|
| Processor Type (CPU) | Samsung Exynos 9611 | MediaTek Helio G95 | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 2.05 GHz | Samsung Galaxy A51 has higher clock speed than Realme 7. |
| 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. |
| Graphics System (GPU) | - | ARM Mali-G76 MC4 |
| MEMORY | Samsung Galaxy A51 | Realme 7 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 6 GB | Realme 7 has more RAM than Samsung Galaxy A51. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Samsung Galaxy A51 has more internal memory than Realme 7. |
| User Memory | 107 GB | - | |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSD |
| CAMERA | Samsung Galaxy A51 | Realme 7 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | - | 1/1.73" | |
| Lens Aperture | F/2.0 | F/1.8 | Realme 7 has better lens aperture than Samsung Galaxy A51. |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 26 mm | |
| Digital Zoom | 8x | - | |
| Special Effects | - | HDR, Bokeh effect | |
| Camera Modes | Slow motion mode, Live Focus mode | Panorama, Time-lapse mode, portrait mode, AI Beauty, Ultra Macro Mode, Filter mode, Super nightscape | |
| 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 | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps, 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 240 fps | |
| Camera Features (Functions) | AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur | AI scene recognition, AI Quad camera, UIS Video Stabilisation, Chroma boost, UIS Max Video stabilisation |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Samsung Galaxy A51 has better second camera resolution than Realme 7. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.3 | Samsung Galaxy A51 has better second camera lens aperture than Samsung Galaxy A51. |
| Field of View (2nd Camera) | 123 degree(s) | 119 degree(s) | Samsung Galaxy A51 has larger second camera lens field of view than Realme 7. |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Minimum Focal Length (2nd Camera) | - | 16 mm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 2 Megapixel | Samsung Galaxy A51 has higher resolution third camera than Realme 7. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/1.5" | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | Macro camera | B&W Portait Lens | |
| Camera Features (3rd Camera) | - | 6 portrait styles |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | 2 Megapixel | Samsung Galaxy A51 has higher resolution fourth camera than Realme 7. |
|---|---|---|---|
| Sensor Size (4th Camera) | - | 1/1.5" | |
| Lens Type (4th Camera) | Telephoto lens | - | |
| Lens Aperture (4th Camera) | F/2.2 | F/2.4 | Samsung Galaxy A51 has better fourth camera lens aperture than Samsung Galaxy A51. |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | Depth camera | Macro camera | |
| Camera Features (4th Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 16 Megapixel | Samsung Galaxy A51 has better front camera resolution than Realme 7. |
| Sensor Size (Front) | - | 1/3.09" | |
| Sensor Name (Front) | - | Sony Exmor RX IMX471 sensor | |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | F/2.2 | F/2.1 | Realme 7 has better front lens aperture than Samsung Galaxy A51. |
| Pixel Size (Front) | - | 1 μm | |
| Focus Adjustment | Focus free | - | |
| Camera Modes (Front) | - | Panorama, Time-lapse mode, selfie mode, Beauty mode, portrait mode, Night scene mode | |
| Face Recognition (Face ID) | - | Face recognition | Realme 7 has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps |
| BATTERY AND CHARGING | Samsung Galaxy A51 | Realme 7 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5000 mAh | Realme 7 has larger battery capacity than Samsung Galaxy A51. |
|---|---|---|---|
| Fast Charging Technology | - | Dart Charge | Realme 7 has fast charging technology. |
| Talk Time | 1920 minutes | 2880 minutes | Realme 7 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 |
Talk: up to 2880 min Gaming: up to 9 hrs Playback (video): up to 15 hrs Playback (video): up to 81 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy A51 | Realme 7 |
|---|
| 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 | Realme UI | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy A51 | Realme 7 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, 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 20, Band 28, Band 38, Band 40, Band 41 | |
| 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 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| 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 | - |
| MEDIA | Samsung Galaxy A51 | Realme 7 |
|---|
| 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, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | - |
| FEATURES | Samsung Galaxy A51 | Realme 7 |
|---|
| 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, magnetometer, gyro sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines | - |
| OTHERS | Samsung Galaxy A51 | Realme 7 |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C cable, protective case, 30W fast charger |
|---|
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