In depth comparison and review of Samsung Galaxy S21 5G and OPPO Find X3 LITE. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Samsung Galaxy S21 5G | OPPO Find X3 LITE |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G991U1 | CPH2145 | |
| Form Factor | Touch | Touch | |
| Height | 151.7 mm | 159.1 mm | OPPO Find X3 LITE has greater height than Samsung Galaxy S21 5G. |
| Width | 71.2 mm | 73.4 mm | OPPO Find X3 LITE has greater width than Samsung Galaxy S21 5G. |
| Depth | 7.9 mm | 7.9 mm | Both phones are the same depth. |
| Weight | 171 g | 172 g | Samsung Galaxy S21 5G is lighter than Samsung Galaxy S21 5G. |
| Body Colour | Phantom grey | Phantom white | Astral blue | |
| Body Material | - | Metal, multi-layer polymer with sandblasted coating | |
| Protection | Dustproof, splashproof, water-resistant | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S21 5G is waterproof. |
| IP rating | IP68 | IP5X | |
| SAR Value | 1.58 W/kg (simultaneous), 1.11 W/kg (wireless router), 1.08 W/kg (body), 0.74 W/kg (head) | 0.991 W/kg (head), 1.276 W/kg (body), 2.721 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 | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy S21 5G | OPPO Find X3 LITE |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | AMOLED | |
| Screen Size (Display Size) | 6.2" | 6.43" | OPPO Find X3 LITE has larger screen size than Samsung Galaxy S21 5G. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2400 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 421 ppi | 410 ppi | Samsung Galaxy S21 5G has better pixel density than OPPO Find X3 LITE. |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 750 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 1000000:1 | |
| HDR | Yes | - | Samsung Galaxy S21 5G has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Enhancement Technology | Eye Comfort Shield | - | |
| Display Refresh Rate | 120 Hz | 90 Hz | Samsung Galaxy S21 5G has better refresh rate than OPPO Find X3 LITE. |
| Display Features | AOD(Always On Display), Video Wallpaper | Night mode, DCI-P3 Wide colour gamut, AOD(Always On Display), Dark mode, 180Hz sampling rate | |
| Display Protection (Screen Protector) | Corning Gorilla Glass Victus (scratch resistant glass) | Corning Gorilla Glass 3+ (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy S21 5G | OPPO Find X3 LITE |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 765 | |
|---|---|---|---|
| Clock Speed | 2.84 GHz | 2.4 GHz | Samsung Galaxy S21 5G has higher clock speed than OPPO Find X3 LITE. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | Qualcomm ADRENO 620 |
| MEMORY | Samsung Galaxy S21 5G | OPPO Find X3 LITE |
|---|
| RAM | LPDDR5 SDRAM - 8 GB | LPDDR4X SDRAM - 8 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | 101.2 GB | - | |
| Memory Interface | - | UFS 2.1 |
| CAMERA | Samsung Galaxy S21 5G | OPPO Find X3 LITE |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 64 Megapixel | OPPO Find X3 LITE has better camera resolution than Samsung Galaxy S21 5G. |
| Sensor Size | 1/1.76" | 1/2.43" | OPPO Find X3 LITE has better camera sensor size than Samsung Galaxy S21 5G. |
| Sensor Name | - | Omnivision OV64B sensor | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.8 | F/1.7 | OPPO Find X3 LITE has better lens aperture than Samsung Galaxy S21 5G. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 79 degree(s) | 80 degree(s) | OPPO Find X3 LITE has larger lens field of view than Samsung Galaxy S21 5G. |
| Pixel Size | 1.8 μm | 0.7 μm | Samsung Galaxy S21 5G has larger camera pixel size than OPPO Find X3 LITE. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy S21 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Minimum Focal Length (Focal Distance) | - | 25 mm | |
| Optical Zoom | 3x | - | |
| Digital Zoom | 30x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | Face retouch, Grid Line | HDR, Live 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, Portrait, Night, Motion Photo, Mountain, Single Take, Pro Video, Portrait video, Director's View | Burst mode, Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, portrait mode, AI Beauty, Text, Filter mode, Macro mode, Dual-View Video, Ultra Night Video, Extra HD, AI Highlight Video | |
| Light Source | High CRI LED flash | LED flash | |
| Still Image Resolutions | - | 9248 x 6936, 4624 x 3468, 4624 x 2080, 3468 x 3468, 4624 x 2608 | |
| 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 (8K) at 24 fps, 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, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps | |
| Camera Features (Functions) | Playback zoom, Motion photo, blink detection, QR-code scanner, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Lens smudge, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Super Speed Dual Pixel AF, Quick Measure, Zoom-In Mic, HEIF image capture, 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, AR Doodle, HEVC (High Efficiency Video coding) support, Microphone Control (Pro Video only) | Electronic Image Stabiliser (EIS), Phase Detect Auto-Focus (PDAF)+Contrast Focus, 4-in-1 Pixel technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Samsung Galaxy S21 5G has better second camera resolution than OPPO Find X3 LITE. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| 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) | - | 5-element | |
| Field of View (2nd Camera) | 120 degree(s) | 119 degree(s) | Samsung Galaxy S21 5G has larger second camera lens field of view than OPPO Find X3 LITE. |
| Pixel Size (2nd Camera) | 1.4 μm | 1.12 μm | Samsung Galaxy S21 5G has larger second camera pixel size than OPPO Find X3 LITE. |
| Minimum Focal Length (2nd Camera) | - | 16 mm | |
| Camera Features (2nd Camera) | - | Electronic Image Stabiliser (EIS) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 64 Megapixel | 2 Megapixel | Samsung Galaxy S21 5G has higher resolution third camera than OPPO Find X3 LITE. |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/1.72" | 1/5" | OPPO Find X3 LITE has better third camera sensor size than Samsung Galaxy S21 5G. |
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/2.0 | F/2.4 | Samsung Galaxy S21 5G has better third camera lens aperture than Samsung Galaxy S21 5G. |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Field of View (3rd Camera) | 76 degree(s) | 89 degree(s) | OPPO Find X3 LITE has larger third camera lens field of view than Samsung Galaxy S21 5G. |
| Pixel Size (3rd Camera) | 0.8 μm | 1.75 μm | OPPO Find X3 LITE has larger third camera pixel size than Samsung Galaxy S21 5G. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy S21 5G has optical stabilisation of the third camera. |
| Minimum Focal Length (3rd Camera) | - | 22 mm | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (4th Camera) | - | 1/5" | |
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Lens Element Qty (4th Camera) | - | 3-element | |
| Field of View (4th Camera) | - | 89 degree(s) | |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Minimum Focal Length (4th Camera) | - | 22 mm | |
| Camera Functions (4th Camera) | - | Potrait camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 10 Megapixel | 32 Megapixel | OPPO Find X3 LITE has better front camera resolution than Samsung Galaxy S21 5G. |
| 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 S21 5G has better front lens aperture than Samsung Galaxy S21 5G. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | 80 degree(s) | 85 degree(s) | OPPO Find X3 LITE has larger front lens field of view than Samsung Galaxy S21 5G. |
| Pixel Size (Front) | 1.22 μm | 0.8 μm | Samsung Galaxy S21 5G has larger front camera pixel size than OPPO Find X3 LITE. |
| Focus Adjustment | Automatic | - | |
| Min Focal Length (Front) | - | 23 mm | |
| Special Effects (Front) | - | Stickers | |
| Camera Modes (Front) | - | Panorama, Time-lapse mode, night mode, Portrait | |
| Still Image Resolutions (Front) | - | 6592 x 5120 | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | Dual Pixel AF | Electronic Image Stabiliser (EIS) |
| BATTERY AND CHARGING | Samsung Galaxy S21 5G | OPPO Find X3 LITE |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4300 mAh | OPPO Find X3 LITE has larger battery capacity than Samsung Galaxy S21 5G. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Power Delivery 3.0 | VOOC Flash Charge technology 3.0, SuperVOOC 2.0 Flash Charge | Both phones have fast charging technology. |
| Recharge Time (Charging Time) | - | 37 min | |
| Wireless Charging | Yes | - | Samsung Galaxy S21 5G can be charged wirelessly. |
| Wireless Charging Standards | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | - | |
| Standby Time | - | 240.7 hours | |
| Talk Time | 1800 minutes | 846 minutes | Samsung Galaxy S21 5G has longer battery life when making calls than OPPO Find X3 LITE. |
| Run Time Details | Talk (LTE): up to 1800 min Active online usage (LTE): up to 14 hrs Active online usage (Wi-Fi): up to 15 hrs Playback (wireless video): up to 19 hrs Playback (wireless audio): up to 72 hrs |
Standby: up to 240.7 hrs Playback (video): up to 13.9 hrs Talk (3G): up to 846 min |
| CELLULAR | Samsung Galaxy S21 5G | OPPO Find X3 LITE |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | Android 11 | ColorOS 11.1 (based on Android 11) | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy S21 5G | OPPO Find X3 LITE |
|---|
| Data Transmission | FDD-LTE, TDD-LTE, 5G NR FR1, 5G NR FR2 | VoLTE, FDD-LTE, TDD-LTE, VoWiFi, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | 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 14, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, Band 48, Band 66, Band 71 | 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 26, Band 28, 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 700 PS, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600 | 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 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | N41, n71, n260, n261 | N1, n3, n5, n7, n8, n28, n38, n41, n77, n78, n40 | |
| 5G NR Frequency | TDD TD 2500, FDD 600, TDD 39GHz, TDD 28GHz | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| MEDIA | Samsung Galaxy S21 5G | OPPO Find X3 LITE |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, 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, LHDC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, 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, Qualcomm aptX audio, Qualcomm TrueWireless Stereo Plus, Qualcomm aptX HD audio |
| FEATURES | Samsung Galaxy S21 5G | OPPO Find X3 LITE |
|---|
| 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, barometer, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, pedometer, magnetometer, gyro sensor, gravity sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | - | |
| Additional Phone Features | MIMO technology, Screen Write, notification flashlight, Smart Select, Fast Charging, Samsung KNOX, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Bixby key, Bluetooth Scalable Codec, Samsung Knox Vault, Private Share function, Enhanced Game Booster, Air Command | Gesture Controls, Dual noise reduction microphones, Low blue light mode, Super linear speaker, gamer mode |
| OTHERS | Samsung Galaxy S21 5G | OPPO Find X3 LITE |
|---|
| Included Accessories | SIM card removal tool, USB-C to USB-C cable | Headset, protective cover, SIM card removal tool, USB-C cable, protective film, SuperVOOC 65W power adapter | |
|---|---|---|---|
| Compliant Standards | VDE, IP68, HAC (Hearing Aid Compatible), SGS Eye Care Display Certification | SGS, IP5X | |
| Max Depth of Water Resistance | 1.5 m | - |
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