In depth comparison and review of Realme C21 and Sony XPERIA 10 III. 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 | Realme C21 | Sony XPERIA 10 III |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 154 mm | Realme C21 has greater height than Sony XPERIA 10 III. |
| Width | 76.4 mm | 68 mm | Realme C21 has greater width than Sony XPERIA 10 III. |
| Depth | 8.9 mm | 8.3 mm | Sony XPERIA 10 III is narrower than Realme C21. |
| Weight | 190 g | 169 g | Sony XPERIA 10 III is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Black | Blue | White | |
| Body Material | - | Corning Gorilla Glass 6 | |
| Protection | - | Dustproof, water-resistant | |
| Waterproof (Water-resistant) | - | Yes | Sony XPERIA 10 III is waterproof. |
| IP rating | - | IPX8, IPX5, IP6X | |
| SAR Value | - | 1.1 W/kg | |
| Connector Type | Micro-USB Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C 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 | Realme C21 | Sony XPERIA 10 III |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LCD | OLED | |
| Screen Size (Display Size) | 6.5" | 6" | Realme C21 has larger screen size than Sony XPERIA 10 III. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2520 x 1080 pixels | Sony XPERIA 10 III has better screen resolution than Realme C21. |
| Display Format | HD+ | Full HD+ | |
| Aspect Ratio | 20:9 | 21:9 | |
| Max Brightness | 420 cd/m² | - | |
| HDR | - | Yes | Sony XPERIA 10 III has HDR. |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | Mini-drop display | DCI-P3 Wide colour gamut, Dark mode, 10 bit tonal gradation, Triluminous display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 6 (scratch resistant glass) |
| PROCESSOR | Realme C21 | Sony XPERIA 10 III |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | Qualcomm Snapdragon 690 5G | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | - | |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | PowerVR GE8320 | - |
| MEMORY | Realme C21 | Sony XPERIA 10 III |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | 6 GB | Sony XPERIA 10 III has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Sony XPERIA 10 III has more internal memory than Realme C21. |
| Memory Interface | - | UFS | |
| Supported Flash Memory Cards (Expandable Memory) | microSD | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Realme C21 | Sony XPERIA 10 III |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | Realme C21 has better camera resolution than Sony XPERIA 10 III. |
| Sensor Size | - | 1/2.8" | |
| Sensor Type | - | Exmor RS CMOS | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.2 | F/1.8 | Sony XPERIA 10 III has better lens aperture than Realme C21. |
| Lens Construction | 5-element | - | |
| Field of View (FoV) | - | 75 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 27 mm | |
| Digital Zoom | 4x | - | |
| Special Effects | HDR | HDR, Bokeh effect | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | Panorama, night mode, SteadyShot, manual mode, Food | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | Superior Auto, QR-code scanner, Stereo Recording, up to 10fps AF/AE, 10x Hybrid Zoom |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 8 Megapixel | Sony XPERIA 10 III has better second camera resolution than Realme C21. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| Lens Type (2nd Camera) | - | Telephoto lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.4 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | 3-element | - | |
| Field of View (2nd Camera) | - | 45 degree(s) | |
| Minimum Focal Length (2nd Camera) | - | 54 mm | |
| Camera Functions (2nd Camera) | B&W lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 8 Megapixel | Sony XPERIA 10 III has higher resolution third camera than Realme C21. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/4" | |
| Lens Type (3rd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.2 | Sony XPERIA 10 III has better third camera lens aperture than Realme C21. |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Field of View (3rd Camera) | - | 120 degree(s) | |
| Minimum Focal Length (3rd Camera) | - | 16 mm | |
| Camera Functions (3rd Camera) | Macro camera | - | |
| Camera Features (3rd Camera) | 4cm macro photography | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Sony XPERIA 10 III has better front camera resolution than Realme C21. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Sony XPERIA 10 III has better front lens aperture than Realme C21. |
| Lens Element Qty (Front) | 3-element | - | |
| Field of View (Front) | - | 78 degree(s) | |
| Special Effects (Front) | HDR | HDR | |
| Camera Modes (Front) | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | SteadyShot, manual mode, Selfie portrait | |
| Face Recognition (Face ID) | Face recognition | Smile shutter | Both phones have face detection. |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | Hand Shutter |
| BATTERY AND CHARGING | Realme C21 | Sony XPERIA 10 III |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4500 mAh | Realme C21 has larger battery capacity than Sony XPERIA 10 III. |
|---|---|---|---|
| Fast Charging Technology | - | Xperia-Adaptive Charging | Sony XPERIA 10 III has fast charging technology. |
| CELLULAR | Realme C21 | Sony XPERIA 10 III |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Sony XPERIA 10 III has more advanced generation mobile network. |
| Operating System | Android 10 | Android 11 | |
| User Interface | Realme UI | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Realme C21 | Sony XPERIA 10 III |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | LTE, 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 5, Band 8 | Band 1, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 850, 900 | 2100, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| 5G NR Band | - | N1, n3, n7, n8, n28, n77, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 3700, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | - | Yes | Sony XPERIA 10 III has NFC reader for mobile payments. |
| Modem | - | Snapdragon X51 5G |
| MEDIA | Realme C21 | Sony XPERIA 10 III |
|---|
| Supported Digital Audio Standards | - | PCM, MP3, FLAC, AAC-LC, AAC +, eAAC+, MIDI, DSD, LDAC, ALAC, OPUS, AMR-WB, AMR-NB, Vorbis, AAC-ELD | |
|---|---|---|---|
| Supported Digital Video Standards | - | MPEG-4, H.264, H.263, VP8, VP9, H.265, AV1 | |
| Sound Enhancements | - | Hi-Res audio, Qualcomm aptX HD audio, DSEE Ultimate, Hi-Res audio wireless |
| FEATURES | Realme C21 | Sony XPERIA 10 III |
|---|
| 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, magnetometer, light sensor | - | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Super power saving mode, HyperEngine technology, Reverse charging | Text-to-Speech (text recognition), multitasking, Battery Care, Fast Charging, One Hand Mode, STAMINA Mode, TalkBack, Google Cast | |
| Android Enterprise Recommended | - | Yes |
| OTHERS | Realme C21 | Sony XPERIA 10 III |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | - | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | IPX5, IPX8, IP6X |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
