Detailed comparison and review of Samsung Galaxy S21 Ultra 5G and OPPO Find X5. 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 | Samsung Galaxy S21 Ultra 5G | OPPO Find X5 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G998B/DS | CPH2307 | |
| Form Factor | Touch | Touch | |
| Height | 161.5 mm | 160.3 mm | Samsung Galaxy S21 Ultra 5G has greater height than OPPO Find X5. |
| Width | 75.6 mm | 72.6 mm | Samsung Galaxy S21 Ultra 5G has greater width than OPPO Find X5. |
| Depth | 8.9 mm | 8.7 mm | OPPO Find X5 is narrower than Samsung Galaxy S21 Ultra 5G. |
| Weight | 227 g | 196 g | OPPO Find X5 is lighter than Samsung Galaxy S21 Ultra 5G. |
| Body Colour | Phantom silver | Phantom black | Phantom navy | Phantom brown | Phantom titanium | Black | White | |
| Body Material | - | Aluminium alloy, polymer, Corning Gorilla Glass 5 | |
| Protection | Dustproof, splashproof, water-resistant | Dustproof, splash-resistant | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S21 Ultra 5G is waterproof. |
| IP rating | IP68 | IP54 | |
| SAR Value | 1.58 W/kg (body), 0.714 W/kg (head), 2.56 W/kg (limb) | 0.992 W/kg (head), 2.49 W/kg (limb), 1.216 W/kg (body) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy S21 Ultra 5G | OPPO Find X5 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | Flexible AMOLED | |
| Screen Size (Display Size) | 6.8" | 6.5" | Samsung Galaxy S21 Ultra 5G has larger screen size than OPPO Find X5. |
| Screen Resolution (Display Resolution) | 3200 x 1440 pixels | 2400 x 1080 pixels | Samsung Galaxy S21 Ultra 5G has better screen resolution than OPPO Find X5. |
| Display Format | QHD+ | Full HD+ | |
| Pixel Density | 515 ppi | 402 ppi | Samsung Galaxy S21 Ultra 5G has better pixel density than OPPO Find X5. |
| Aspect Ratio | - | 20.1:9 | |
| Max Brightness | - | 1000 cd/m² | |
| Colour Depth | 16.7 million colours | 1.07 billion colours | OPPO Find X5 has better colour depth than Samsung Galaxy S21 Ultra 5G. |
| Contrast Ratio | - | 1000000:1 | |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10+ | HDR10+ | |
| Display Enhancement Technology | Eye Comfort Shield | Eye comfort mode, SDR-to-HDR colour enhancement, resolution enhancer, Bedtime Mode | |
| Display Refresh Rate | 120 Hz | 120 Hz | Both phones have the same refresh rate. |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | Edge Screen, AOD(Always On Display) | Dark mode, DisplayMate A+, 100% DCI-P3, 100% sRGB, 71% NTSC, 97% NTSC, Max brightness level: 8912 | |
| Display Protection (Screen Protector) | Corning Gorilla Glass Victus (scratch resistant glass) | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy S21 Ultra 5G | OPPO Find X5 |
|---|
| Processor Type (CPU) | Samsung Exynos 2100 | Qualcomm Snapdragon 888 | |
|---|---|---|---|
| Clock Speed | 2.9 GHz | 2.84 GHz | Samsung Galaxy S21 Ultra 5G has higher clock speed than OPPO Find X5. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Mali-G78 MP14 | Qualcomm ADRENO 660 |
| MEMORY | Samsung Galaxy S21 Ultra 5G | OPPO Find X5 |
|---|
| RAM | LPDDR5 SDRAM - 12 GB | LPDDR5 SDRAM - 8 GB | Samsung Galaxy S21 Ultra 5G has more RAM than OPPO Find X5. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 256 GB | OPPO Find X5 has more internal memory than Samsung Galaxy S21 Ultra 5G. |
| User Memory | 101.7 GB | - | |
| Memory Interface | - | UFS 3.1 |
| CAMERA | Samsung Galaxy S21 Ultra 5G | OPPO Find X5 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 50 Megapixel | OPPO Find X5 has better camera resolution than Samsung Galaxy S21 Ultra 5G. |
| Sensor Size | - | 1/1.56" | |
| Sensor Name | - | Sony IMX766 sensor | |
| Lens Type | Ultra wide-angle lens | - | |
| Lens Aperture | F/2.2 | F/1.8 | OPPO Find X5 has better lens aperture than Samsung Galaxy S21 Ultra 5G. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 120 degree(s) | - | |
| Pixel Size | 1.4 μm | 1 μm | Samsung Galaxy S21 Ultra 5G has larger camera pixel size than OPPO Find X5. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Optical Zoom | 3x | - | |
| Digital Zoom | 100x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | Face retouch, Grid Line | HDR, Bokeh effect, Stickers | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Night, Motion Photo, Mountain, Single Take, Pro Video, Director's View | Burst mode, Panorama, Time-lapse mode, Slow motion mode, Pro mode, night mode, portrait mode, AI Beauty, Cinema mode, Macro mode, Dual-View Video, RAW+ mode, Long exposure mode, dual-view, Text scanner, Xpan mode | |
| Light Source | High CRI LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 7680 x 4320 (UHD 8K) at 24fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 60 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) | Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Quick Measure, Zoom-In Mic, Space Zoom, Take 33MP still photos while playing 8K video, Hybrid Optic Zoom 3x, Super Resolution Zoom up to 30x, Digital zoom up to 12x for video | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), contrast detection auto-focus (CDAF), LOG video (Rec. 2020), Google Lens, Corning Gorilla Glass 7 (protective lens glass), | VCM Macro |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 108 Megapixel | 50 Megapixel | Samsung Galaxy S21 Ultra 5G has better second camera resolution than OPPO Find X5. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/1.33" | 1/1.56" | OPPO Find X5 has better second camera sensor size than Samsung Galaxy S21 Ultra 5G. |
| Sensor Name (2nd Camera) | - | Sony IMX766 sensor | |
| Lens Type (2nd Camera) | Wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/1.8 | F/2.2 | Samsung Galaxy S21 Ultra 5G has better second camera lens aperture than Samsung Galaxy S21 Ultra 5G. |
| Lens Element Qty (2nd Camera) | - | 7-element | |
| Field of View (2nd Camera) | 83 degree(s) | 110 degree(s) | OPPO Find X5 has larger second camera lens field of view than Samsung Galaxy S21 Ultra 5G. |
| Pixel Size (2nd Camera) | 0.8 μm | 1 μm | OPPO Find X5 has larger second camera pixel size than Samsung Galaxy S21 Ultra 5G. |
| Camera Features (2nd Camera) | Phase Detect Auto-Focus (PDAF), OIS (Optical Image Stabilisation) | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4cm macro photography, contrast detection auto-focus (CDAF) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 10 Megapixel | 13 Megapixel | OPPO Find X5 has higher resolution third camera than Samsung Galaxy S21 Ultra 5G. |
|---|---|---|---|
| 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 | |
| Field of View (3rd Camera) | 35 degree(s) | - | |
| Pixel Size (3rd Camera) | 1.22 μm | 1 μm | Samsung Galaxy S21 Ultra 5G has larger third camera pixel size than OPPO Find X5. |
| Minimum Focal Length (3rd Camera) | - | 52 mm | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 20x | |
| Hybrid Zoom | - | 5x | |
| Camera Features (3rd Camera) | Dual Pixel AF | Electronic Image Stabiliser (EIS) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 10 Megapixel | - | |
|---|---|---|---|
| Lens Type (4th Camera) | Telephoto lens | - | |
| Lens Aperture (4th Camera) | F/4.9 | - | |
| Field of View (4th Camera) | 10 degree(s) | - | |
| Pixel Size (4th Camera) | 1.22 μm | - | |
| Camera Features (4th Camera) | Dual Pixel AF | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 40 Megapixels | 32 Megapixel | Samsung Galaxy S21 Ultra 5G has better front camera resolution than OPPO Find X5. |
| Sensor Size (Front) | - | 1/2.74" | |
| Sensor Name (Front) | - | Sony IMX615 sensor | |
| Lens Aperture (Front) | F/2.2 | F/2.4 | Samsung Galaxy S21 Ultra 5G has better front lens aperture than Samsung Galaxy S21 Ultra 5G. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | 80 degree(s) | 81 degree(s) | OPPO Find X5 has larger front lens field of view than Samsung Galaxy S21 Ultra 5G. |
| Pixel Size (Front) | 0.7 μm | 0.8 μm | OPPO Find X5 has larger front camera pixel size than Samsung Galaxy S21 Ultra 5G. |
| Focus Adjustment | Automatic | Focus free | |
| Special Effects (Front) | - | Stickers | |
| Camera Modes (Front) | - | Panorama, Time-lapse mode, Portrait, Night, dual-view | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | Phase Detect Auto-Focus (PDAF) | Electronic Image Stabiliser (EIS) |
| BATTERY AND CHARGING | Samsung Galaxy S21 Ultra 5G | OPPO Find X5 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4800 mAh | Samsung Galaxy S21 Ultra 5G has larger battery capacity than OPPO Find X5. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging, Power Delivery 3.0 | SuperVOOC Flash Charge technology, SuperVOOC 2.0 Flash Charge, SuperVOOC 3.0 Flash Charge | Both phones have fast charging technology. |
| Wireless Charging | Yes | Yes | Both phones can be charged wirelessly. |
| Wireless Charging Standards | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | Qi, AirVOOC | |
| Standby Time | - | 425 hours | |
| Talk Time | 2460 minutes | 1560 minutes | Samsung Galaxy S21 Ultra 5G has longer battery life when making calls than OPPO Find X5. |
| Run Time Details | Talk (4G): up to 2460 min Active online usage (LTE): up to 18 hrs Active online usage (Wi-Fi): up to 18 hrs Playback (wireless video): up to 22 hrs Playback (wireless audio): up to 81 hrs |
Talk (3G): up to 1560 min Standby: up to 425 hrs Playback (Music): up to 39 hrs Playback (video): up to 21 hrs |
| CELLULAR | Samsung Galaxy S21 Ultra 5G | OPPO Find X5 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | Android 11 | ColorOS 12.1 (based on Android 12) | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy S21 Ultra 5G | OPPO Find X5 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE, 5G NR FR1 | 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 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, 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 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 34, 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 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, 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 2000, 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, n66, n77, n78, n40 | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40, n12, n26, n13, n18 | |
| 5G NR Frequency | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300 | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300, n12, FDD 850, n13, n18 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.2 BLE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| MEDIA | Samsung Galaxy S21 Ultra 5G | OPPO Find X5 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC, apt-X HD, LHDC, APTX-TWS+ | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.264, H.265, MP4 | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | Dolby Atmos sound technology, Hi-Res audio, 3D audio recording |
| FEATURES | Samsung Galaxy S21 Ultra 5G | OPPO Find X5 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, proximity sensor, pedometer, magnetometer, gravity sensor, colour temperature sensor, brightness sensor, gyroscope | |
| Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Air View, MIMO technology, Smart Select, Samsung KNOX, Smart View, Live message, Screen off memo, Bixby Vision, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, PENUP, Bixby key, Samsung Knox Vault, Private Share function, Enhanced Game Booster, Air Command | MIMO technology, MU-MIMO technology, dual stereo speakers, triple noise reduction microphones, X-axis haptic motor, Graphite + Ultra Large Steel Vapour Chamber, MariSilicon X Imaging NPU |
| OTHERS | Samsung Galaxy S21 Ultra 5G | OPPO Find X5 |
|---|
| Included Accessories | SIM card removal tool, USB-C to USB-C cable | SIM card removal tool, USB-C charging cable, protective film, SuperVOOC 80W power adapter, USB-A to USB-C adapter | |
|---|---|---|---|
| Compliant Standards | IP68, HAC (Hearing Aid Compatible) | IP54 | |
| Max Depth of Water Resistance | 1.5 m | - |
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