Detailed comparison and review of Samsung Galaxy S21 Ultra 5G and OPPO Find N2 Flip. 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 N2 Flip |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G998B/DS | CPH2437 | |
| Form Factor | Touch | Folder (flip) - touch screen | |
| Height | 161.5 mm | 166.2 mm | OPPO Find N2 Flip has greater height than Samsung Galaxy S21 Ultra 5G. |
| Width | 75.6 mm | 75.2 mm | Samsung Galaxy S21 Ultra 5G has greater width than OPPO Find N2 Flip. |
| Depth | 8.9 mm | 7.45 mm | OPPO Find N2 Flip is narrower than Samsung Galaxy S21 Ultra 5G. |
| Weight | 227 g | 191 g | OPPO Find N2 Flip is lighter than Samsung Galaxy S21 Ultra 5G. |
| Dimensions Details | - | Unfolded - 75.2 mm x 7.45 mm x 166.2 mm Folded - 75.2 mm x 16.02 mm x 85.5 mm |
|
| Body Colour | Phantom silver | Phantom black | Phantom navy | Phantom brown | Phantom titanium | Astral black | Moonlit purple | |
| Body Material | - | Fibreglass, aluminium alloy, polymer, Corning Gorilla Glass 5 | |
| Protection | Dustproof, splashproof, water-resistant | Splash-resistant | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S21 Ultra 5G is waterproof. |
| IP rating | IP68 | IPX4 | |
| SAR Value | 1.58 W/kg (body), 0.714 W/kg (head), 2.56 W/kg (limb) | 1.24 W/kg (body), 0.99 W/kg (head), 2.78 W/kg (limb) | |
| 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 N2 Flip |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | Fluid AMOLED (LTPO) | |
| Foldable Display | - | Yes | |
| Display Design | - | Inward folding | |
| Screen Size (Display Size) | 6.8" | 6.8" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 3200 x 1440 pixels | 2520 x 1080 pixels | Samsung Galaxy S21 Ultra 5G has better screen resolution than OPPO Find N2 Flip. |
| Display Format | QHD+ | Full HD+ | |
| Pixel Density | 515 ppi | 403 ppi | Samsung Galaxy S21 Ultra 5G has better pixel density than OPPO Find N2 Flip. |
| Max Brightness | - | 1200 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 2000000:1 | |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10+ | HDR10+ | |
| Display Enhancement Technology | Eye Comfort Shield | Eye comfort mode, Bedtime Mode, Adjustable dark 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) | Always-on display, 100% DCI-P3, 100% sRGB, 70% NTSC, 97% NTSC, Vivid mode, Gentle mode, 1-120Hz adaptive refresh rate with LTPO 2.0 technology | |
| Display Protection (Screen Protector) | Corning Gorilla Glass Victus (scratch resistant glass) | Samsung Ultra Thin Glass |
| SECOND DISPLAY |
|---|
| Second Display Type | - | Flexible AMOLED - colour | |
|---|---|---|---|
| Second Display Screen Size | - | 3.26" | |
| Second Display Resolution | - | 720 x 382 pixels |
| UNFOLDED DISPLAY |
|---|
| Unfolded Display Screen Size | - | 6.8 in | |
|---|---|---|---|
| Unfolded Display Resolution | - | 2520 x 1080 pixels |
| PROCESSOR | Samsung Galaxy S21 Ultra 5G | OPPO Find N2 Flip |
|---|
| Processor Type (CPU) | Samsung Exynos 2100 | MediaTek Dimensity 9000+ | |
|---|---|---|---|
| Clock Speed | 2.9 GHz | 3.2 GHz | OPPO Find N2 Flip has higher clock speed than Samsung Galaxy S21 Ultra 5G. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Mali-G78 MP14 | ARM Mali-G710 MC10 |
| MEMORY | Samsung Galaxy S21 Ultra 5G | OPPO Find N2 Flip |
|---|
| RAM | LPDDR5 SDRAM - 12 GB | LPDDR5 SDRAM - 8 GB + up to 8 GB | Samsung Galaxy S21 Ultra 5G has more RAM than OPPO Find N2 Flip. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 256 GB | OPPO Find N2 Flip 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 N2 Flip |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 50 Megapixel | OPPO Find N2 Flip has better camera resolution than Samsung Galaxy S21 Ultra 5G. |
| Sensor Size | - | 1/1.56" | |
| Sensor Name | - | Sony IMX890 sensor | |
| Lens Type | Ultra wide-angle lens | - | |
| Lens Aperture | F/2.2 | F/1.8 | OPPO Find N2 Flip has better lens aperture than Samsung Galaxy S21 Ultra 5G. |
| Lens Construction | - | 7-element | |
| Field of View (FoV) | 120 degree(s) | 86 degree(s) | Samsung Galaxy S21 Ultra 5G has larger lens field of view than OPPO Find N2 Flip. |
| Pixel Size | 1.4 μm | 1 μm | Samsung Galaxy S21 Ultra 5G has larger camera pixel size than OPPO Find N2 Flip. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy S21 Ultra 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Minimum Focal Length (Focal Distance) | - | 23 mm | |
| Optical Zoom | 3x | - | |
| Digital Zoom | 100x | 20x | Samsung Galaxy S21 Ultra 5G has better digital zoom than OPPO Find N2 Flip. |
| Self-Timer Delay | Yes | - | |
| Special Effects | Face retouch, Grid Line | Live Filters, 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 | Panorama, Time-lapse mode, Slow motion mode, Pro mode, RAW mode, Ultra-HD mode, Portrait, Night, Long exposure mode, dual-view, Movie Mode, Text scanner, Xpan mode, AI camera | |
| 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, 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 | Electronic Image Stabiliser (EIS), Closed loop processing, 10-bit HDR image sensor, All Pixel OmniDirectional PDAF, Dual preview, (DOL-HDR) Digital Overlap High Dynamic Range, Hasselblad Camera, Natural Color Calibration, Google Lens |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 108 Megapixel | 8 Megapixel | Samsung Galaxy S21 Ultra 5G has better second camera resolution than OPPO Find N2 Flip. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/1.33" | 1/1.4" | OPPO Find N2 Flip has better second camera sensor size than Samsung Galaxy S21 Ultra 5G. |
| Sensor Name (2nd Camera) | - | Sony IMX355 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) | - | 5-element | |
| Field of View (2nd Camera) | 83 degree(s) | 112 degree(s) | OPPO Find N2 Flip has larger second camera lens field of view than Samsung Galaxy S21 Ultra 5G. |
| Pixel Size (2nd Camera) | 0.8 μm | 1.12 μm | OPPO Find N2 Flip has larger second camera pixel size than Samsung Galaxy S21 Ultra 5G. |
| Minimum Focal Length (2nd Camera) | - | 16 mm | |
| Camera Features (2nd Camera) | Phase Detect Auto-Focus (PDAF), OIS (Optical Image Stabilisation) | Electronic Image Stabiliser (EIS) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 10 Megapixel | - | |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Field of View (3rd Camera) | 35 degree(s) | - | |
| Pixel Size (3rd Camera) | 1.22 μm | - | |
| Camera Features (3rd Camera) | Dual Pixel AF | - |
| 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 N2 Flip. |
| Sensor Size (Front) | - | 1/2.74" | |
| Sensor Name (Front) | - | Sony IMX709 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) | 90 degree(s) | OPPO Find N2 Flip has larger front lens field of view than Samsung Galaxy S21 Ultra 5G. |
| Pixel Size (Front) | 0.7 μm | 0.8 μm | OPPO Find N2 Flip has larger front camera pixel size than Samsung Galaxy S21 Ultra 5G. |
| Focus Adjustment | Automatic | Automatic | |
| Min Focal Length (Front) | - | 21 mm | |
| Special Effects (Front) | - | Beauty effect, 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), Smart fill light, Digital Overlap High Dynamic Range (DOL-HDR), open-loop motor, RGBW sensor |
| BATTERY AND CHARGING | Samsung Galaxy S21 Ultra 5G | OPPO Find N2 Flip |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4800 mAh | Samsung Galaxy S21 Ultra 5G has larger battery capacity than OPPO Find N2 Flip. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging, Power Delivery 3.0 | Qualcomm Quick Charge, SuperVOOC Flash Charge technology, Power Delivery | Both phones have fast charging technology. |
| Wireless Charging | Yes | - | Samsung Galaxy S21 Ultra 5G can be charged wirelessly. |
| Wireless Charging Standards | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | - | |
| Standby Time | - | 310 hours | |
| Talk Time | 2460 minutes | 1188 minutes | Samsung Galaxy S21 Ultra 5G has longer battery life when making calls than OPPO Find N2 Flip. |
| 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 |
Streaming (video): up to 20 hrs Active online usage: up to 16 hrs Video call: up to 6 hrs Talk: up to 1188 min Standby: up to 310 hrs Playback (Music): up to 25.6 hrs Playback (video): up to 10.89 hrs |
| CELLULAR | Samsung Galaxy S21 Ultra 5G | OPPO Find N2 Flip |
|---|
| 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 13 (based on Android 13) | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC, GNSS |
| COMMUNICATIONS | Samsung Galaxy S21 Ultra 5G | OPPO Find N2 Flip |
|---|
| Data Transmission | FDD-LTE, TDD-LTE, 5G NR FR1 | VoLTE, FDD-LTE, TDD-LTE, VoWiFi, 5G NR | |
|---|---|---|---|
| 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 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 | |
| 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 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 | |
| 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, n79, n40, n25, n12 | |
| 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 TD 4500, TDD 2300, FDD 1900, n12 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.3 BLE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| MEDIA | Samsung Galaxy S21 Ultra 5G | OPPO Find N2 Flip |
|---|
| 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), 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 |
| FEATURES | Samsung Galaxy S21 Ultra 5G | OPPO Find N2 Flip |
|---|
| 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, ambient light sensor, pedometer, digital compass, hall sensor, geomagnetic sensor, colour temperature sensor, dual gyroscope, dual proximity sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| 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, Dual noise reduction microphones, MU-MIMO technology, OTG Reverse Charge, 360° Surround Aerial, Thermal gel, graphite cooling, 5 years of Security Updates, super-linear dual speakers, X-axis haptic motor, MariSilicon X Imaging NPU, 4 years of OS updates |
| OTHERS | Samsung Galaxy S21 Ultra 5G | OPPO Find N2 Flip |
|---|
| Included Accessories | SIM card removal tool, USB-C to USB-C cable | USB cable, power adapter, SIM card removal tool, screen protector (pre-applied), protective case | |
|---|---|---|---|
| Compliant Standards | IP68, HAC (Hearing Aid Compatible) | IPX4, TUV Rheinland, SGS Eye Care Display Certification | |
| Max Depth of Water Resistance | 1.5 m | - |
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