Side by side comparison and review of OPPO AX7 and Samsung Galaxy A51 5G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | OPPO AX7 | Samsung Galaxy A51 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A516B/DS | |
| Form Factor | Touch | Touch | |
| Height | 155.9 mm | 158.9 mm | Samsung Galaxy A51 5G has greater height than OPPO AX7. |
| Width | 75.4 mm | 73.6 mm | OPPO AX7 has greater width than Samsung Galaxy A51 5G. |
| Depth | 8.1 mm | 8.7 mm | OPPO AX7 is narrower than OPPO AX7. |
| Weight | 168 g | 187 g | OPPO AX7 is lighter than OPPO AX7. |
| Body Colour | Glaze blue | Prism cube black | Prism cube white | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.555 W/kg (body), 0.496 W/kg (head) | |
| 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 | Single-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | OPPO AX7 | Samsung Galaxy A51 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LTPS TFT | Infinity-O Super AMOLED | |
| Screen Size (Display Size) | 6.2" | 6.5" | Samsung Galaxy A51 5G has larger screen size than OPPO AX7. |
| Screen Resolution (Display Resolution) | 1520 x 720 pixels | 2400 x 1080 pixels | Samsung Galaxy A51 5G has better screen resolution than OPPO AX7. |
| Display Format | HD+ | Full HD+ | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | In-Cell Display Technology | Edge-to-Edge screen |
| PROCESSOR | OPPO AX7 | Samsung Galaxy A51 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 450 | - | |
|---|---|---|---|
| Clock Speed | - | 2.2 GHz | |
| Processor Core Qty | - | 8-core | |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | - |
| MEMORY | OPPO AX7 | Samsung Galaxy A51 5G |
|---|
| RAM | 4 GB | 6 GB | Samsung Galaxy A51 5G has more RAM than OPPO AX7. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Samsung Galaxy A51 5G has more internal memory than OPPO AX7. |
| User Memory | - | 105.3 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 1 TB |
| CAMERA | OPPO AX7 | Samsung Galaxy A51 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | Samsung Galaxy A51 5G has better camera resolution than OPPO AX7. |
| Lens Aperture | F/2.2 | F/2.0 | Samsung Galaxy A51 5G has better lens aperture than OPPO AX7. |
| Lens Construction | 5-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Special Effects | HDR | Bokeh effect | |
| Camera Modes | - | Slow motion video | |
| Light Source | LED light | LED flash | |
| Video Resolutions | - | 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 480 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AR sticker, AI Beautify | Live Focus, background blur |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 12 Megapixel | Samsung Galaxy A51 5G has better second camera resolution than OPPO AX7. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Samsung Galaxy A51 5G has better second camera lens aperture than OPPO AX7. |
| Field of View (2nd Camera) | - | 123 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.2 | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 32 Megapixel | Samsung Galaxy A51 5G has better front camera resolution than OPPO AX7. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OPPO AX7 has better front lens aperture than OPPO AX7. |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR, Bokeh effect | - |
| BATTERY AND CHARGING | OPPO AX7 | Samsung Galaxy A51 5G |
|---|
| Battery Capacity (Battery Size) | 4230 mAh | 4500 mAh | Samsung Galaxy A51 5G has larger battery capacity than OPPO AX7. |
|---|---|---|---|
| Talk Time | - | 1380 minutes | |
| Run Time Details | - | Talk (4G): up to 1380 min Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (video): up to 19 hrs Playback (audio): up to 86 hrs |
| CELLULAR | OPPO AX7 | Samsung Galaxy A51 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Samsung Galaxy A51 5G has more advanced generation mobile network. |
| Operating System | ColorOS 5.2 (based on Android 8.1) | - | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | OPPO AX7 | Samsung Galaxy A51 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 4, Band 5, Band 6, Band 8, Band 19 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, 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 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| 5G NR Band | - | N41, n78 | |
| 5G NR Frequency | - | TDD TD 2500, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac, ANT+ | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| NFC | - | Yes | Samsung Galaxy A51 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO AX7 | Samsung Galaxy A51 5G |
|---|
| 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 | OPPO AX7 | Samsung Galaxy A51 5G |
|---|
| 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, digital compass, G-sensor | Accelerometer, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | - | Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing |
| OTHERS | OPPO AX7 | Samsung Galaxy A51 5G |
|---|
| Included Accessories | Headset, screen protection film, USB cable, power adapter, SIM card removal tool, protective case | Power adapter |
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