In depth comparison and review of Realme C21 and Sony XPERIA 5 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 5 III |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 157 mm | Realme C21 has greater height than Sony XPERIA 5 III. |
| Width | 76.4 mm | 68 mm | Realme C21 has greater width than Sony XPERIA 5 III. |
| Depth | 8.9 mm | 8.2 mm | Sony XPERIA 5 III is narrower than Realme C21. |
| Weight | 190 g | 168 g | Sony XPERIA 5 III is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Black | Green | |
| Body Material | - | Corning Gorilla Glass 6 | |
| Protection | - | Dustproof, water-resistant | |
| Waterproof (Water-resistant) | - | Yes | Sony XPERIA 5 III is waterproof. |
| IP rating | - | IPX8, IPX5, IP6X | |
| 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 5 III |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LCD | OLED | |
| Screen Size (Display Size) | 6.5" | 6.1" | Realme C21 has larger screen size than Sony XPERIA 5 III. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2520 x 1080 pixels | Sony XPERIA 5 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 5 III has HDR. |
| Display Enhancement Technology | - | Motion Blur Reduction 240Hz | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | Mini-drop display | DCI-P3 Wide colour gamut, CinemaWide display, Creator mode powered by CineAlta, X1 for mobile image processing engine, BT.2020, 10 bit tonal gradation, Illuminant D65 White point, L-γ raiser (low gamma raiser) | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 6 (scratch resistant glass) |
| PROCESSOR | Realme C21 | Sony XPERIA 5 III |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | Qualcomm Snapdragon 888 | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | - | |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | PowerVR GE8320 | - |
| MEMORY | Realme C21 | Sony XPERIA 5 III |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | 8 GB | Sony XPERIA 5 III has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Sony XPERIA 5 III has more internal memory than Realme C21. |
| Supported Flash Memory Cards (Expandable Memory) | microSD | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Realme C21 | Sony XPERIA 5 III |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | Realme C21 has better camera resolution than Sony XPERIA 5 III. |
| Sensor Size | - | 1/1.7" | |
| Sensor Type | - | Exmor RS CMOS | |
| Lens Aperture | F/2.2 | F/1.7 | Sony XPERIA 5 III has better lens aperture than Realme C21. |
| Lens Construction | 5-element | - | |
| Field of View (FoV) | - | 82 degree(s) | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Sony XPERIA 5 III has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 24 mm | |
| Digital Zoom | 4x | - | |
| Special Effects | HDR | HDR | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | Slow motion video, Panorama, Pro mode, SteadyShot, Intelligent Active Mode, Bokeh Mode | |
| Light Source | LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, 3840 x 2160 (4K) at 24 fps, 3840 x 2160 (4K) at 25 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | Carl Zeiss optic, Object tracking, Dual Phase Detect Auto-Focus (PDAF), Stereo Recording, BIONZ X for mobile, ZEISS T Coating, up to 20 fps AF/AE, up to 60 times per second continuous AF / AE calculation, Real-time Eye AF for humans and animals, Dual photo diode, RGB-IR, Cinematography Pro powered by CineAlta, Intelligent wind filter, Hybrid OIS/EIS video stabilisation, Hybrid zoom 12.5x, AI Super Resolution Zoom, Photography Pro, Optical SteadyShot with FlawlessEye |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 12 Megapixel | Sony XPERIA 5 III has better second camera resolution than Realme C21. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.9" | |
| Sensor Type (2nd Camera) | - | Exmor RS CMOS | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.3 | Sony XPERIA 5 III has better second camera lens aperture than Realme C21. |
| Lens Element Qty (2nd Camera) | 3-element | - | |
| Field of View (2nd Camera) | - | 34 degree(s) | |
| Minimum Focal Length (2nd Camera) | - | 70 mm | |
| Camera Functions (2nd Camera) | B&W lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 12 Megapixel | Sony XPERIA 5 III has higher resolution third camera than Realme C21. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/2.5" | |
| Sensor Name (3rd Camera) | - | Sony Exmor RS sensor | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.2 | Sony XPERIA 5 III has better third camera lens aperture than Realme C21. |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Field of View (3rd Camera) | - | 124 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 5 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 5 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, Intelligent Active Mode, Selfie portrait | |
| Face Recognition (Face ID) | Face recognition | - | Realme C21 has face detection. |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | Hand Shutter |
| BATTERY AND CHARGING | Realme C21 | Sony XPERIA 5 III |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4500 mAh | Realme C21 has larger battery capacity than Sony XPERIA 5 III. |
|---|---|---|---|
| Fast Charging Technology | - | Xperia-Adaptive Charging | Sony XPERIA 5 III has fast charging technology. |
| CELLULAR | Realme C21 | Sony XPERIA 5 III |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Sony XPERIA 5 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 5 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 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 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 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66 | |
| 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 | |
| NFC | - | Yes | Sony XPERIA 5 III has NFC reader for mobile payments. |
| MEDIA | Realme C21 | Sony XPERIA 5 III |
|---|
| Supported Digital Audio Standards | - | PCM, MP3, FLAC, AAC-LC, AAC +, eAAC+, MIDI, DSD, LDAC, ALAC, OPUS, AMR-WB, AMR-NB, Vorbis, AAC-ELD, Dolby Atmos, Dolby-AC4, 360 Reality Audio Music Format | |
|---|---|---|---|
| Supported Digital Video Standards | - | MPEG-4, H.264, H.263, VP8, VP9, H.265, AV1 | |
| Sound Enhancements | - | Dolby Atmos sound technology, Hi-Res audio, Qualcomm aptX HD audio, DSEE Ultimate, 360 Reality Audio, 360 Reality Audio hardware decoding, 360 Spatial Sound |
| FEATURES | Realme C21 | Sony XPERIA 5 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 | TTY compatible, multitasking, PS4 Remote Play, Battery Care, STAMINA Mode, TalkBack, Dynamic vibration system, Game Enhancer, DUALSHOCK 4 control compatibility, Qualcomm Snapdragon Elite Gaming |
| OTHERS | Realme C21 | Sony XPERIA 5 III |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | IPX5, HAC (Hearing Aid Compatible), IPX8, IP6X, ITU-R BT.2020, USB Power Delivery |
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