Side by side comparison and review of Samsung Galaxy A31 and OPPO Find X3 PRO. 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 | Samsung Galaxy A31 | OPPO Find X3 PRO |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A315G/DS | CPH2173 | |
| Form Factor | Touch | Touch | |
| Height | 159.3 mm | 163.6 mm | OPPO Find X3 PRO has greater height than Samsung Galaxy A31. |
| Width | 73.1 mm | 74 mm | OPPO Find X3 PRO has greater width than Samsung Galaxy A31. |
| Depth | 8.6 mm | 8.26 mm | OPPO Find X3 PRO is narrower than Samsung Galaxy A31. |
| Weight | 185 g | 193 g | Samsung Galaxy A31 is lighter than Samsung Galaxy A31. |
| Body Colour | Prism crush black | Gloss black | |
| Body Material | - | Aluminium alloy, polymer, Corning Gorilla Glass 5 | |
| Protection | - | Dustproof, water-resistant | |
| Waterproof (Water-resistant) | - | Yes | OPPO Find X3 PRO is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.68 W/kg (body), 0.488 W/kg (head) | 1.318 W/kg (body), 0.892 W/kg (head), 2.707 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 | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A31 | OPPO Find X3 PRO |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | AMOLED (LTPO) | |
| Screen Size (Display Size) | 6.4" | 6.7" | OPPO Find X3 PRO has larger screen size than Samsung Galaxy A31. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 3216 x 1440 pixels | OPPO Find X3 PRO has better screen resolution than Samsung Galaxy A31. |
| Display Format | Full HD+ | QHD+ | |
| Pixel Density | - | 525 ppi | |
| Aspect Ratio | - | 20.1:9 | |
| Max Brightness | - | 1200 cd/m² | |
| Colour Depth | 16.7 million colours | 1.07 billion colours | OPPO Find X3 PRO has better colour depth than Samsung Galaxy A31. |
| Contrast Ratio | - | 5000000:1 | |
| HDR | - | Yes | OPPO Find X3 PRO has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | - | SDR-to-HDR colour enhancement, resolution enhancer | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | Night mode, Edge-to-Edge screen, Infinity U Display | Night mode, AOD(Always On Display), Dark mode, O1 Ultra Vision Engine, DisplayMate A+, 240Hz sampling rate, 12000000:1 (max HDR) contrast ratio, O-Sync Display Hyper Response Engine, 8192-Level Natural Brightness | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A31 | OPPO Find X3 PRO |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 888 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.84 GHz | OPPO Find X3 PRO has higher clock speed than Samsung Galaxy A31. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | Qualcomm ADRENO 660 |
| MEMORY | Samsung Galaxy A31 | OPPO Find X3 PRO |
|---|
| RAM | 4 GB | LPDDR5 SDRAM - 12 GB | OPPO Find X3 PRO has more RAM than Samsung Galaxy A31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 256 GB | OPPO Find X3 PRO has more internal memory than Samsung Galaxy A31. |
| User Memory | 46.2 GB | - | |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | - |
| CAMERA | Samsung Galaxy A31 | OPPO Find X3 PRO |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | OPPO Find X3 PRO has better camera resolution than Samsung Galaxy A31. |
| Sensor Size | - | 1/1.56" | |
| Sensor Name | - | Sony Exmor RS IMX766 sensor | |
| Lens Aperture | F/2.0 | F/1.8 | OPPO Find X3 PRO has better lens aperture than Samsung Galaxy A31. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 80 degree(s) | - | |
| Pixel Size | - | 1 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | OPPO Find X3 PRO has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 24 mm | |
| Digital Zoom | 8x | - | |
| Special Effects | - | HDR, Live HDR, Bokeh effect, Stickers | |
| Camera Modes | Depth bokeh | Burst mode, Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, portrait mode, AI Beauty, Text, Cinema mode, Filter mode, Macro mode, Dual-View Video, Ultra Night Video, AI Highlight Video, passport photo, RAW+ mode, Colour Vision Enhancement | |
| Light Source | LED flash | LED flash | |
| Still Image Resolutions | - | 4096 x 3072, 4096 x 2304, 3072 x 3072, 8192 x 6144, 4096 x 1834 | |
| Video Resolutions | 1920 x 1080 (1080p) 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, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 480 fps | |
| Camera Features (Functions) | Live Focus | Electronic Image Stabiliser (EIS), 3D audio recording, omnidirectional autofocus, 2x2 On-Chip Lens (OCL), (DOL-HDR) Digital Overlap High Dynamic Range, 10-bit 4K HDR video, LOG video (Rec. 2020) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 50 Megapixel | OPPO Find X3 PRO has better second camera resolution than Samsung Galaxy A31. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/1.56" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RS IMX766 sensor | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | - | 7-element | |
| Field of View (2nd Camera) | 123 degree(s) | 110 degree(s) | Samsung Galaxy A31 has larger second camera lens field of view than OPPO Find X3 PRO. |
| Pixel Size (2nd Camera) | - | 1 μm | |
| Minimum Focal Length (2nd Camera) | 40 mm | 15 mm | |
| Camera Functions (2nd Camera) | Macro camera | - | |
| Camera Features (2nd Camera) | - | Electronic Image Stabiliser (EIS), omnidirectional autofocus, 2x2 On-Chip Lens (OCL), 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 13 Megapixel | OPPO Find X3 PRO has higher resolution third camera than Samsung Galaxy A31. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/3.4" | |
| Sensor Name (3rd Camera) | - | Samsung S5K3M5 | |
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Lens Element Qty (3rd Camera) | - | 5-element | |
| Pixel Size (3rd Camera) | - | 1 μm | |
| Minimum Focal Length (3rd Camera) | - | 52 mm | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 20x | |
| Hybrid Zoom | - | 5x | |
| Camera Functions (3rd Camera) | Depth camera | - | |
| Camera Features (3rd Camera) | - | Electronic Image Stabiliser (EIS) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | 3 Megapixel | Samsung Galaxy A31 has higher resolution fourth camera than OPPO Find X3 PRO. |
|---|---|---|---|
| Sensor Size (4th Camera) | - | 1/5" | |
| Lens Type (4th Camera) | - | Microlens | |
| Lens Aperture (4th Camera) | F/2.4 | F/3.0 | Samsung Galaxy A31 has better fourth camera lens aperture than Samsung Galaxy A31. |
| Lens Element Qty (4th Camera) | - | 4-element | |
| Pixel Size (4th Camera) | - | 1.12 μm | |
| Minimum Focal Length (4th Camera) | - | 15 mm | |
| Camera Functions (4th Camera) | Depth camera | - | |
| Camera Features (4th Camera) | - | Magnification x60 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 32 Megapixel | OPPO Find X3 PRO has better front camera resolution than Samsung Galaxy A31. |
| Sensor Size (Front) | - | 1/2.74" | |
| Sensor Name (Front) | - | Sony Exmor RS IMX615 sensor | |
| Lens Aperture (Front) | F/2.2 | F/2.4 | Samsung Galaxy A31 has better front lens aperture than Samsung Galaxy A31. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 81 degree(s) | |
| Pixel Size (Front) | - | 0.8 μm | |
| Focus Adjustment | Focus free | - | |
| Min Focal Length (Front) | - | 25 mm | |
| Special Effects (Front) | - | Stickers | |
| Camera Modes (Front) | - | Panorama, Time-lapse mode, night mode, Portrait | |
| Still Image Resolutions (Front) | - | 6560 x 4928 | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | - | Electronic Image Stabiliser (EIS) |
| BATTERY AND CHARGING | Samsung Galaxy A31 | OPPO Find X3 PRO |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4500 mAh | Samsung Galaxy A31 has larger battery capacity than OPPO Find X3 PRO. |
|---|---|---|---|
| Fast Charging Technology | - | VOOC Flash Charge technology 3.0, SuperVOOC 2.0 Flash Charge | OPPO Find X3 PRO has fast charging technology. |
| Recharge Time (Charging Time) | - | 35 min | |
| Wireless Charging | - | Yes | OPPO Find X3 PRO can be charged wirelessly. |
| Wireless Charging Standards | - | Qi, AirVOOC | |
| Standby Time | - | 398.7 hours | |
| Talk Time | 1980 minutes | 1488 minutes | Samsung Galaxy A31 has longer battery life when making calls than OPPO Find X3 PRO. |
| Run Time Details | Active online usage (LTE): up to 20 hrs Active online usage (Wi-Fi): up to 20 hrs Playback (video): up to 22 hrs Playback (audio): up to 97 hrs Talk (LTE): up to 1980 min |
Standby: up to 398.7 hrs Playback (video): up to 14.3 hrs Talk (3G): up to 1488 min Playback (audio (via speakers)): up to 36.9 hrs |
| CELLULAR | Samsung Galaxy A31 | OPPO Find X3 PRO |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OPPO Find X3 PRO has more advanced generation mobile network. |
| Operating System | Android 10 | ColorOS 11.2 (based on Android 11) | |
| User Interface | One UI | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy A31 | OPPO Find X3 PRO |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | VoLTE, FDD-LTE, TDD-LTE, VoWiFi, 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 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 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 28, Band 38, 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 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, 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 DD, 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 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n79, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A31 | OPPO Find X3 PRO |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), LDAC, MID, SBC, LHDC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.265, MP4 | |
| Sound Enhancements | - | Dolby Atmos sound technology, Qualcomm aptX audio, Qualcomm TrueWireless Stereo Plus, Qualcomm aptX HD audio |
| FEATURES | Samsung Galaxy A31 | OPPO Find X3 PRO |
|---|
| 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, pedometer, digital compass, magnetometer, gyro sensor, gravity sensor, colour temperature sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing | MIMO technology, MU-MIMO technology, Google Lens, Haptic vibration motor, dual stereo speakers, steam chamber + graphite cooling, triple noise reduction microphones |
| OTHERS | Samsung Galaxy A31 | OPPO Find X3 PRO |
|---|
| Included Accessories | Power adapter | Headset, protective cover, SIM card removal tool, USB-C cable, protective film, SuperVOOC 65W power adapter | |
|---|---|---|---|
| Compliant Standards | - | IP68 |
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