Detailed comparison and review of OnePlus One and Samsung Galaxy A51. 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 One | Samsung Galaxy A51 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A515F/DSN | |
| Form Factor | Touch | Touch | |
| Height | 152.9 mm | 158.5 mm | Samsung Galaxy A51 has greater height than OnePlus One. |
| Width | 75.9 mm | 73.6 mm | OnePlus One has greater width than Samsung Galaxy A51. |
| Depth | 8.9 mm | 7.9 mm | Samsung Galaxy A51 is narrower than OnePlus One. |
| Weight | 162 g | 172 g | OnePlus One is lighter than OnePlus One. |
| Body Colour | Bamboo | Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.75 W/kg (body), 0.62 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) | Micro SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | OnePlus One | Samsung Galaxy A51 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.5" | Samsung Galaxy A51 has larger screen size than OnePlus One. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2400 x 1080 pixels | Samsung Galaxy A51 has better screen resolution than OnePlus One. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 401 ppi | 408 ppi | Samsung Galaxy A51 has better pixel density than OnePlus One. |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | Edge-to-Edge screen, Infinity O display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | OnePlus One | Samsung Galaxy A51 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 801 | Samsung Exynos 9611 | |
|---|---|---|---|
| Clock Speed | 2.5 GHz | 2.3 GHz | OnePlus One has higher clock speed than Samsung Galaxy A51. |
| Processor Core Qty | Quad-core | 8-core | Samsung Galaxy A51 has higher processor core quantity than OnePlus One. |
| 64-bit Architecture | - | Yes | Samsung Galaxy A51 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 330 | - |
| MEMORY | OnePlus One | Samsung Galaxy A51 |
|---|
| RAM | 3 GB | 4 GB | Samsung Galaxy A51 has more RAM than OnePlus One. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Samsung Galaxy A51 has more internal memory than OnePlus One. |
| User Memory | - | 107 GB | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 512 GB |
| CAMERA | OnePlus One | Samsung Galaxy A51 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | Samsung Galaxy A51 has better camera resolution than OnePlus One. |
| Sensor Name | Sony Exmor RS IMX214 sensor | - | |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| Lens Construction | 6-element | - | |
| Focus Adjustment | - | Automatic | |
| Digital Zoom | - | 8x | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Slow motion mode, Live Focus mode | |
| Face Recognition (Face ID) | Face detection | - | OnePlus One has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1280 x 720 (720p), 3840 x 2160 (4K) | 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) | - | 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 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) | 5 Megapixel | 32 Megapixel | Samsung Galaxy A51 has better front camera resolution than OnePlus One. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OnePlus One has better front lens aperture than OnePlus One. |
| Focus Adjustment | - | Focus free | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - |
| BATTERY AND CHARGING | OnePlus One | Samsung Galaxy A51 |
|---|
| Battery Capacity (Battery Size) | 3100 mAh | 4000 mAh | Samsung Galaxy A51 has larger battery capacity than OnePlus One. |
|---|---|---|---|
| Talk Time | - | 1920 minutes | |
| 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 |
|
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | OnePlus One | 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 | CyanogenMod 13 | Android 10 | |
| User Interface | - | One UI | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, GLONASS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | OnePlus One | Samsung Galaxy A51 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 4, Band 7, Band 17, Band 38, Band 40 | 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 1700 - 2110 AWS, FDD 2600, FDD 700b, TDD 2600, TDD 2300 | 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 802.11b/g/n/ac | IEEE 802.11a/b/g/n/ac, ANT+ | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | A2DP | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Communication Features | Mobile Email client, Internet browser | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OnePlus One | Samsung Galaxy A51 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, MIDI, APE (Monkey's Audio), M4A | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | RMVB, FLV, MPEG-4, H.264, H.263 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 |
| FEATURES | OnePlus One | Samsung Galaxy A51 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | - | Fingerprint reader (under display) | |
| Personal Information Management | Calendar, synchronization with PC, calculator, reminder, alarm clock | - | |
| Additional Phone Features | DLNA Certified, multitasking, sharing media via DLNA, Noise Cancellation Technology, notification LED, Three microphones | Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines |
| OTHERS | OnePlus One | Samsung Galaxy A51 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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