In depth comparison and review of Realme C21 and Sony XPERIA 1 IV. 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 1 IV |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 165 mm | Realme C21 has greater height than Sony XPERIA 1 IV. |
| Width | 76.4 mm | 71 mm | Realme C21 has greater width than Sony XPERIA 1 IV. |
| Depth | 8.9 mm | 8.2 mm | Sony XPERIA 1 IV is narrower than Realme C21. |
| Weight | 190 g | 187 g | Sony XPERIA 1 IV is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Black | Purple | |
| Body Material | - | Corning Gorilla Glass Victus | |
| Protection | - | Dustproof, water-resistant | |
| Waterproof (Water-resistant) | - | Yes | Sony XPERIA 1 IV is waterproof. |
| IP rating | - | IPX8, IPX5, IP6X | |
| SAR Value | - | 0.92 W/kg (body), 0.88 W/kg (head), 1.56 W/kg (limb) | |
| 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, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Realme C21 | Sony XPERIA 1 IV |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | LCD | OLED | |
| Screen Size (Display Size) | 6.5" | 6.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 3840 x 1644 pixels | Sony XPERIA 1 IV has better screen resolution than Realme C21. |
| Display Format | HD+ | 4K | |
| Aspect Ratio | 20:9 | 21:9 | |
| Max Brightness | 420 cd/m² | - | |
| Contrast Ratio | - | 1000000:1 | |
| HDR | - | Yes | Sony XPERIA 1 IV has HDR. |
| Display Enhancement Technology | - | Motion Blur Reduction 240Hz | |
| Display Refresh Rate | - | 120 Hz | |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | Mini-drop display | Creator mode powered by CineAlta, X1 for mobile image processing engine, Dark mode, BT.2020, 10 bit tonal gradation, Illuminant D65 White point, 100% DCI-P3 | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Realme C21 | Sony XPERIA 1 IV |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | Qualcomm Snapdragon 8 Gen 1 | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 3 GHz | Sony XPERIA 1 IV has higher clock speed than Realme C21. |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | PowerVR GE8320 | Qualcomm ADRENO |
| MEMORY | Realme C21 | Sony XPERIA 1 IV |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | 12 GB | Sony XPERIA 1 IV has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | Sony XPERIA 1 IV 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 1 IV |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | Realme C21 has better camera resolution than Sony XPERIA 1 IV. |
| Sensor Size | - | 1/1.7" | |
| Sensor Type | - | Exmor RS CMOS | |
| Lens Aperture | F/2.2 | F/1.7 | Sony XPERIA 1 IV 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 1 IV 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 | Burst mode, SteadyShot, Intelligent Active Mode, Vlog mode, Videography Pro, VENICE CS, Soft Monochrome | |
| Light Source | LED flash | LED 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, 3840 x 2160 (4K) at 120 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | Object tracking, Stereo Recording, EIS video stabilisation, BIONZ X for mobile, up to 20 fps AF/AE, up to 60 times per second continuous AF / AE calculation, Real-time Eye AF for humans and animals, Cinematography Pro powered by CineAlta, Intelligent wind filter, 5-Axis Stabilisation, 4K HDR video recording, Real-Time Tracking, Optical SteadyShot with FlawlessEye, ZEISS Optics, AI subject detection |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 12 Megapixel | Sony XPERIA 1 IV has better second camera resolution than Realme C21. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/3.5" | |
| Sensor Type (2nd Camera) | - | Exmor RS CMOS | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.3 - f/2.8 | Sony XPERIA 1 IV has better second camera lens aperture than Realme C21. |
| Lens Element Qty (2nd Camera) | 3-element | - | |
| Field of View (2nd Camera) | - | 28 degree(s) | |
| Camera Functions (2nd Camera) | B&W lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 12 Megapixel | Sony XPERIA 1 IV 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 1 IV 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 | 12 Megapixel | Sony XPERIA 1 IV has better front camera resolution than Realme C21. |
| Sensor Size (Front) | - | 1/2.9" | |
| Sensor Name (Front) | - | Sony Exmor RS sensor | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Sony XPERIA 1 IV has better front lens aperture than Realme C21. |
| Lens Element Qty (Front) | 3-element | - | |
| Field of View (Front) | - | 83 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 1 IV |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | - | Xperia-Adaptive Charging, Power Delivery | Sony XPERIA 1 IV has fast charging technology. |
| Wireless Charging | - | Yes | Sony XPERIA 1 IV can be charged wirelessly. |
| Wireless Charging Standards | - | Qi |
| CELLULAR | Realme C21 | Sony XPERIA 1 IV |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Sony XPERIA 1 IV has more advanced generation mobile network. |
| Operating System | Android 10 | Android 12 | |
| User Interface | Realme UI | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Realme C21 | Sony XPERIA 1 IV |
|---|
| 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/ax, Wi-Fi 6E | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 LE | |
| NFC | - | Yes | Sony XPERIA 1 IV has NFC reader for mobile payments. |
| MEDIA | Realme C21 | Sony XPERIA 1 IV |
|---|
| 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, DSEE Ultimate, Hi-Res audio wireless, Qualcomm aptX Adaptive, 360 Reality Audio Certified, 360 Reality Audio Upmix, Music Pro, PS Remote Play |
| FEATURES | Realme C21 | Sony XPERIA 1 IV |
|---|
| Phone Functions | 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, Text-to-Speech (text recognition), multitasking, Battery Care, STAMINA Mode, TalkBack, Dynamic vibration system, Game Enhancer, DUALSHOCK 4 control compatibility, Google Cast, Qualcomm Snapdragon Elite Gaming, Battery Share function, DualSense control compatibility, full-stage stereo speakers |
| OTHERS | Realme C21 | Sony XPERIA 1 IV |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | - | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | IPX5, HAC (Hearing Aid Compatible), IPX8, IP6X, ITU-R BT.2020, USB Power Delivery |
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