OPPO Find X vs. Samsung Galaxy A51

Phone Comparison, Reviews and Tests

Detailed comparison and review of OPPO Find X 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.

Phone Specifications Comparison

OPPO Find X vs. Samsung Galaxy A51 Comparison Chart
DESIGN AND DIMENSIONS OPPO Find X Samsung Galaxy A51
Product Type Smartphone Smartphone
Manufacturer Model Number CPH1875 SM-A515F/DSN
Form Factor Touch Touch
Height 156.7 mm 158.5 mm Samsung Galaxy A51 has greater height than OPPO Find X.
Width 74.2 mm 73.6 mm OPPO Find X has greater width than Samsung Galaxy A51.
Depth 9.6 mm 7.9 mm Samsung Galaxy A51 is narrower than OPPO Find X.
Weight 186 g 172 g Samsung Galaxy A51 is lighter than OPPO Find X.
Body Colour Bordeaux red | Glacier blue Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white
Waterproof (Water-resistant) - -
SAR Value 1.658 W/kg (body), 1.57 W/kg (head), 3.99 W/kg (limb) 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb)
Connector Type 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
DISPLAY OPPO Find X Samsung Galaxy A51
Display Type OLED display OLED display
Display Technology AMOLED Super AMOLED
Screen Size (Display Size) 6.4" 6.5" Samsung Galaxy A51 has larger screen size than OPPO Find X.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy A51 has better screen resolution than OPPO Find X.
Display Format Full HD+ Full HD+
Pixel Density 430 ppi 408 ppi OPPO Find X has better pixel density than Samsung Galaxy A51.
Aspect Ratio 19.5:9 -
Max Brightness 430 cd/m² -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features Panoramic Arc Screen Edge-to-Edge screen, Infinity O display
PROCESSOR OPPO Find X Samsung Galaxy A51
Processor Type (CPU) Qualcomm Snapdragon 845 Samsung Exynos 9611
Clock Speed - 2.3 GHz
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.
Graphics System (GPU) Qualcomm ADRENO 630 -
MEMORY OPPO Find X Samsung Galaxy A51
RAM 8 GB 4 GB OPPO Find X has more RAM than Samsung Galaxy A51.
Internal Memory Size (Storage Capacity) 256 GB 128 GB OPPO Find X has more internal memory than Samsung Galaxy A51.
User Memory - 107 GB
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 512 GB
CAMERA OPPO Find X Samsung Galaxy A51
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 20 Megapixel 48 Megapixel Samsung Galaxy A51 has better camera resolution than OPPO Find X.
Lens Aperture F/2.0 F/2.0 Both phones have the same camera lens aperture.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - OPPO Find X has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom - 8x
Camera Modes - Slow motion mode, Live Focus 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
Camera Features (Functions) AI Dual camera, AI Beautify, AI scene recognition AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 16 Megapixel 12 Megapixel OPPO Find X has better second camera resolution than Samsung Galaxy A51.
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.0 F/2.2 OPPO Find X has better second camera lens aperture than OPPO Find X.
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 3 1
Front Camera Design Pop-up -
Sensor Resolution (Front) 25 Megapixel 32 Megapixel Samsung Galaxy A51 has better front camera resolution than OPPO Find X.
Lens Aperture (Front) F/2.0 F/2.2 OPPO Find X has better front lens aperture than OPPO Find X.
Focus Adjustment - Focus free
SECOND FRONT CAMERA
Camera Features (2nd Front) Flood Illuminator, Dot Projector -
THIRD FRONT CAMERA
Camera Functions (3rd Front) Infrared Camera -
BATTERY AND CHARGING OPPO Find X Samsung Galaxy A51
Battery Capacity (Battery Size) 3400 mAh 4000 mAh Samsung Galaxy A51 has larger battery capacity than OPPO Find X.
Fast Charging Technology SuperVOOC Flash Charge technology - OPPO Find X has fast charging technology.
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 Ion
CELLULAR OPPO Find X 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 ColorOS 5.1 (based on Android 8.1) Android 10
User Interface - One UI
Intelligent Assistant - Bixby
Navigation GPS, A-GPS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OPPO Find X Samsung Galaxy A51
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, 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 6, Band 8, Band 19 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 800, 900, 800 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 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 32, Band 34, Band 38, Band 39, 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 26, 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 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, 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 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 5.0 Bluetooth 5.0 LE
Bluetooth Profiles - HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP
NFC - Yes Samsung Galaxy A51 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA OPPO Find X Samsung Galaxy A51
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 Find X Samsung Galaxy A51
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 Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Face recognition Fingerprint reader (under display)
Security Technology Laser 3D face recognition -
Additional Phone Features 3D Structured Light technology Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines
OTHERS OPPO Find X Samsung Galaxy A51
Included Accessories Headset, power adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, USB-C to 3.5 jack audio cable, protective case Power adapter
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