In depth comparison and review of Samsung Galaxy S10+ and Realme C21. 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 S10+ | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G975F/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 157.6 mm | 165.2 mm | Realme C21 has greater height than Samsung Galaxy S10+. |
| Width | 74.1 mm | 76.4 mm | Realme C21 has greater width than Samsung Galaxy S10+. |
| Depth | 7.8 mm | 8.9 mm | Samsung Galaxy S10+ is narrower than Samsung Galaxy S10+. |
| Weight | 175 g | 190 g | Samsung Galaxy S10+ is lighter than Samsung Galaxy S10+. |
| Body Colour | Prism white | Silver prism | Prism black | Prism blue | Ceramic white | Ceramic black | Cross black | Cross blue | |
| Body Material | Gorilla glass 5 | - | |
| Protection | Dustproof, splashproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S10+ is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 1.582 W/kg (body), 0.516 W/kg (head) | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Samsung Galaxy S10+ | Realme C21 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED | LCD | |
| Screen Size (Display Size) | 6.4" | 6.5" | Realme C21 has larger screen size than Samsung Galaxy S10+. |
| Screen Resolution (Display Resolution) | 3040 x 1440 pixels | 1600 x 720 pixels | Samsung Galaxy S10+ has better screen resolution than Realme C21. |
| Display Format | QHD+ | HD+ | |
| Pixel Density | 522 ppi | - | |
| Aspect Ratio | 19:9 | 20:9 | |
| Max Brightness | - | 420 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| HDR | Yes | - | Samsung Galaxy S10+ has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Features | Edge Screen, AOD(Always On Display) | Mini-drop display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | - |
| PROCESSOR | Samsung Galaxy S10+ | Realme C21 |
|---|
| Processor Type (CPU) | Samsung Exynos | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | 2.7 GHz | 2.3 GHz | Samsung Galaxy S10+ has higher clock speed than Realme C21. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy S10+ has 64-bit architecture. |
| Graphics System (GPU) | - | PowerVR GE8320 |
| MEMORY | Samsung Galaxy S10+ | Realme C21 |
|---|
| RAM | LPDDR4X SDRAM - 8 GB | LPDDR4X SDRAM - 3 GB | Samsung Galaxy S10+ has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | Samsung Galaxy S10+ has more internal memory than Realme C21. |
| User Memory | 107.8 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSD |
| CAMERA | Samsung Galaxy S10+ | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | Realme C21 has better camera resolution than Samsung Galaxy S10+. |
| Lens Type | Telephoto lens | - | |
| Lens Aperture | F/2.4 | F/2.2 | Realme C21 has better lens aperture than Samsung Galaxy S10+. |
| Lens Construction | - | 5-element | |
| Field of View (FoV) | 45 degree(s) | - | |
| Pixel Size | 1 μm | - | |
| Optical Image Stabiliser (OIS) | Dual OIS (Optical Image Stabilisation) | - | Samsung Galaxy S10+ has optical stabilisation. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 10x | 4x | Samsung Galaxy S10+ has better digital zoom than Realme C21. |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR, Grid Line, Motion photos | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Food, Live focus with bokeh effect, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy S10+ has face detection. |
| White Balance | Custom, automatic | - | |
| 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 | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Full view, Flaw detection, 9.1MP still photos recording 4K video, Shot suggestions, AR Emoji, blur detection, HDR10+ recording, Floating shutter button, Super steady | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 16 Megapixel | 2 Megapixel | Samsung Galaxy S10+ has better second camera resolution than Realme C21. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Samsung Galaxy S10+ has better second camera lens aperture than Samsung Galaxy S10+. |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Pixel Size (2nd Camera) | 1 μm | - | |
| Camera Functions (2nd Camera) | - | B&W lens | |
| Camera Features (2nd Camera) | Dual Pixel AF, OIS (Optical Image Stabilisation) | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 12 Megapixel | 2 Megapixel | Samsung Galaxy S10+ has higher resolution third camera than Realme C21. |
|---|---|---|---|
| Lens Type (3rd Camera) | Wide-angle lens | - | |
| Lens Aperture (3rd Camera) | F/1.5 and f/2.4 | F/2.4 | Samsung Galaxy S10+ has better third camera lens aperture than Samsung Galaxy S10+. |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Field of View (3rd Camera) | 77 degree(s) | - | |
| Pixel Size (3rd Camera) | 1.4 μm | - | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | Dual Pixel AF | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 10 Megapixel | 5 Megapixel | Samsung Galaxy S10+ has better front camera resolution than Realme C21. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.9 | F/2.2 | Samsung Galaxy S10+ has better front lens aperture than Samsung Galaxy S10+. |
| Lens Element Qty (Front) | - | 3-element | |
| Field of View (Front) | 80 degree(s) | - | |
| Pixel Size (Front) | 1.22 μm | - | |
| Focus Adjustment | Automatic | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | Wide selfie mode, AR Emoji, selfie focus | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | |
| Face Recognition (Face ID) | - | Face recognition | Realme C21 has face detection. |
| Camera Features (Front) | Dual Pixel AF | - |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 8 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (2nd Front) | F/2.2 | - | |
| Field of View (2nd Front) | 90 degree(s) | - | |
| Pixel Size (2nd Front) | 1.12 μm | - | |
| Camera Functions (2nd Front) | Capture depth information | - |
| BATTERY AND CHARGING | Samsung Galaxy S10+ | Realme C21 |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 5000 mAh | Realme C21 has larger battery capacity than Samsung Galaxy S10+. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging | - | Samsung Galaxy S10+ has fast charging technology. |
| Wireless Charging | Yes | - | Samsung Galaxy S10+ can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | - | |
| Talk Time | 1500 minutes | - | |
| Run Time Details | Talk (WCDMA): up to 1500 hrs Active online usage (3G): up to 14 hrs Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (video): up to 22 hrs Playback (audio): up to 101 hrs |
- |
| CELLULAR | Samsung Galaxy S10+ | Realme C21 |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 9.0 Pie | Android 10 | |
| User Interface | One UI | Realme UI | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy S10+ | Realme C21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi, LAA | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X, 2100 CDMA2000 1X (AWS) | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 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 32, Band 38, Band 39, Band 40, Band 41, Band 66 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | - | Samsung Galaxy S10+ has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy S10+ | Realme C21 |
|---|
| 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 | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | - |
| FEATURES | Samsung Galaxy S10+ | Realme C21 |
|---|
| 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, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, pressure sensor, geomagnetic sensor, HR sensor | Accelerometer, proximity sensor, magnetometer, light sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader | |
| Additional Phone Features | Multi Window, Smart Select, MU-MIMO technology, Samsung KNOX, High AOP Mic, Smart View, Live message, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer | Super power saving mode, HyperEngine technology, Reverse charging |
| OTHERS | Samsung Galaxy S10+ | Realme C21 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, headset (tuned by AKG), USB connector (OTG) | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | VDE, IP68, TUV Rheinland Eye Comfort Certification | TUV Rheinland | |
| Max Depth of Water Resistance | 1.5 m | - |
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