Detailed comparison and review of OnePlus 3 and Samsung Galaxy A51 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | OnePlus 3 | Samsung Galaxy A51 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A516B/DS | |
| Form Factor | Touch | Touch | |
| Height | 152.7 mm | 158.9 mm | Samsung Galaxy A51 5G has greater height than OnePlus 3. |
| Width | 74.7 mm | 73.6 mm | OnePlus 3 has greater width than Samsung Galaxy A51 5G. |
| Depth | 7.4 mm | 8.7 mm | OnePlus 3 is narrower than OnePlus 3. |
| Weight | 158 g | 187 g | OnePlus 3 is lighter than OnePlus 3. |
| Body Colour | - | Prism cube black | Prism cube white | |
| Body Material | Anodised aluminium | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.645 W/kg (body), 0.995 W/kg (head) | 1.555 W/kg (body), 0.496 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 | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | OnePlus 3 | Samsung Galaxy A51 5G |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Optic AMOLED | Infinity-O Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.5" | Samsung Galaxy A51 5G has larger screen size than OnePlus 3. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2400 x 1080 pixels | Samsung Galaxy A51 5G has better screen resolution than OnePlus 3. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 401 ppi | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | Edge-to-Edge screen | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | OnePlus 3 | Samsung Galaxy A51 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 820 | - | |
|---|---|---|---|
| Processor Number | MSM8996 | - | |
| Clock Speed | 2.15 GHz | 2.2 GHz | Samsung Galaxy A51 5G has higher clock speed than OnePlus 3. |
| Processor Core Qty | Quad-core | 8-core | Samsung Galaxy A51 5G has higher processor core quantity than OnePlus 3. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 530 | - |
| MEMORY | OnePlus 3 | Samsung Galaxy A51 5G |
|---|
| RAM | 6 GB | 6 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Samsung Galaxy A51 5G has more internal memory than OnePlus 3. |
| User Memory | - | 105.3 GB | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 1 TB |
| CAMERA | OnePlus 3 | Samsung Galaxy A51 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 48 Megapixel | Samsung Galaxy A51 5G has better camera resolution than OnePlus 3. |
| Sensor Name | Sony Exmor RS IMX298 sensor | - | |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | OnePlus 3 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Special Effects | HDR | Bokeh effect | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Slow motion video | |
| Face Recognition (Face ID) | Face detection | - | OnePlus 3 has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) 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 480 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), geotagging | Live Focus, background blur |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| 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) | 8 Megapixel | 32 Megapixel | Samsung Galaxy A51 5G has better front camera resolution than OnePlus 3. |
| Sensor Name (Front) | Sony Exmor R IMX179 sensor | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OnePlus 3 has better front lens aperture than OnePlus 3. |
| Focus Adjustment | Focus free | Focus free | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | - |
| BATTERY AND CHARGING | OnePlus 3 | Samsung Galaxy A51 5G |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4500 mAh | Samsung Galaxy A51 5G has larger battery capacity than OnePlus 3. |
|---|---|---|---|
| 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 |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | OnePlus 3 | Samsung Galaxy A51 5G |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Samsung Galaxy A51 5G has more advanced generation mobile network. |
| Operating System | OxygenOS (based on Android 6.0.1) | - | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | OnePlus 3 | Samsung Galaxy A51 5G |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 4, Band 5, Band 7, Band 12, Band 17, Band 30 | 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 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 700a, FDD 700b, FDD 2300 WCS | 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 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac, ANT+ | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OnePlus 3 | Samsung Galaxy A51 5G |
|---|
| Supported Digital Audio Standards | WAV, WMA, MP3, FLAC, eAAC+ | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, DivX, H.265 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | Dirac sound technologies | - |
| FEATURES | OnePlus 3 | Samsung Galaxy A51 5G |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | DLNA Certified, sharing media via DLNA | Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing |
| OTHERS | OnePlus 3 | Samsung Galaxy A51 5G |
|---|
| Included Accessories | Screen protection film, USB cable, power adapter, SIM card removal tool | Power adapter |
|---|
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