In depth comparison and review of Sony XPERIA XZ 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 | Sony XPERIA XZ | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | F8331 | - | |
| Form Factor | Touch | Touch | |
| Height | 146 mm | 165.2 mm | Realme C21 has greater height than Sony XPERIA XZ. |
| Width | 72 mm | 76.4 mm | Realme C21 has greater width than Sony XPERIA XZ. |
| Depth | 8.1 mm | 8.9 mm | Sony XPERIA XZ is narrower than Sony XPERIA XZ. |
| Weight | 161 g | 190 g | Sony XPERIA XZ is lighter than Sony XPERIA XZ. |
| Body Colour | Platinum | Mineral black | Forest blue | Cross black | Cross blue | |
| Protection | Dustproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Sony XPERIA XZ is waterproof. |
| IP rating | IP68, IP65 | - | |
| SAR Value | 1.2 W/kg (body), 0.85 W/kg (head) | - | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | Sony XPERIA XZ | Realme C21 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | LCD | |
| Screen Size (Display Size) | 5.2" | 6.5" | Realme C21 has larger screen size than Sony XPERIA XZ. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | Sony XPERIA XZ has better screen resolution than Realme C21. |
| Display Format | Full HD | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 420 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | Super Vivid mode, Dynamic Contrast Enhancement | - | |
| Display Features | 2.5D curved glass | Mini-drop display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | - |
| PROCESSOR | Sony XPERIA XZ | Realme C21 |
|---|
| Processor Type (CPU) | Qualcomm | MediaTek Helio G35 | |
|---|---|---|---|
| Processor Number | MSM8996 | - | |
| Clock Speed | - | 2.3 GHz | |
| Processor Core Qty | Quad-core | 8-core | Realme C21 has higher processor core quantity than Sony XPERIA XZ. |
| 64-bit Architecture | Yes | - | Sony XPERIA XZ has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 530 | PowerVR GE8320 |
| MEMORY | Sony XPERIA XZ | Realme C21 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 3 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| User Memory | 20 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | Sony XPERIA XZ | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 23 Megapixel | 13 Megapixel | Sony XPERIA XZ has better camera resolution than Realme C21. |
| Sensor Name | Sony Exmor RS sensor | - | |
| Lens Aperture | F/2.0 | F/2.2 | Sony XPERIA XZ has better lens aperture than Sony XPERIA XZ. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Minimum Focal Length (Focal Distance) | 120 mm | - | |
| Digital Zoom | 8x | 4x | Sony XPERIA XZ has better digital zoom than Realme C21. |
| Special Effects | Night Scene, Creative effect | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Red-Eye Reduction, Sweep Panorama, AR Effect mode, SteadyShot, manual mode, Timeshift video, Style Portrait | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | |
| Face Recognition (Face ID) | Smile shutter | - | Sony XPERIA XZ has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Quick Launch, Superior Auto, Object tracking, G lens, Scene recognition, BIONZ image processing engine, Sound Photo, Touch Capture, Hand Shutter, Triple sensing technology, Predictive Hybrid Autofocus | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Camera Functions (2nd Camera) | - | B&W lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 5 Megapixel | Sony XPERIA XZ has better front camera resolution than Realme C21. |
| Sensor Name (Front) | Sony Exmor RS sensor | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Sony XPERIA XZ has better front lens aperture than Sony XPERIA XZ. |
| Lens Element Qty (Front) | - | 3-element | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | |
| Face Recognition (Face ID) | - | Face recognition | Realme C21 has face detection. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - |
| BATTERY AND CHARGING | Sony XPERIA XZ | Realme C21 |
|---|
| Battery Capacity (Battery Size) | 2900 mAh | 5000 mAh | Realme C21 has larger battery capacity than Sony XPERIA XZ. |
|---|---|---|---|
| Standby Time | 610 hours | - | |
| Talk Time | 1050 minutes | - | |
| Run Time Details | Talk (GSM): up to 700 min Standby (GSM): up to 600 hrs Talk (WCDMA): up to 1050 min Standby (WCDMA): up to 610 hrs Standby (LTE): up to 590 hrs Playback (Music): up to 78 hrs Playback (video): up to 11 hrs |
- |
| CELLULAR | Sony XPERIA XZ | Realme C21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0.1 (Marshmallow) | Android 10 | |
| User Interface | - | Realme UI | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Sony XPERIA XZ | Realme C21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 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 | |
| 3G UMTS Frequency | - | 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 19, Band 20, Band 26, Band 28, Band 29, Band 32, Band 38, Band 39, Band 40, Band 41 | 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 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 700d, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | 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 | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, SPP, GAP, A2DP, AVRCP, HID, GAVDP, PBAP, MAP, DIP, GATT, HOGP | - | |
| NFC | Yes | - | Sony XPERIA XZ has NFC reader for mobile payments. |
| WLAN Security | WEP, WPA, WPA2, TKIP, AES, EAP SIM, EAP-TTLS/MSCHAPv2, EAP-AKA, EAP-TLS, PEAPv0/EAP-MSCHAPv2, PEAPv1/EAP-GTC | - | |
| Messaging Services | Google+ Hangouts, SMS, MMS | - |
| MEDIA | Sony XPERIA XZ | Realme C21 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AIFF, ASF, PCM, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, XMF, AAC +, eAAC+, MKA, MIDI, M4A, apt-X, DSF, DSDIFF, DSD, LDAC, MXMF, AWB, IMY, RTTTL, RTX, OTA, ALAC, OPUS | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, AVI, XviD, MPEG-4, MPEG-2, 3GP, H.264, H.263, M4V, TS, WebM, VP8, 3GP2, H.265 | - | |
| Sound Enhancements | 3D surround sound (VPT) | - |
| FEATURES | Sony XPERIA XZ | Realme C21 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, magnetometer, gyro sensor, Time of Flight (ToF), geomagnetic sensor | Accelerometer, proximity sensor, magnetometer, light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | TTY compatible, Radio Data Service (RDS), DLNA Certified, Text-to-Speech (text recognition), sharing media via DLNA, Screen capture, intelligent typing (SWIFTKEY), Wi-Fi Miracast, battery STAMINA mode, Glove mode, TRILUMINOS display, X-Reality engine, Clear Audio+, Clear Bass, Dynamic normaliser, Digital Noise Cancelling (DNC), Hi-Res Audio, Low power audio playback, Smart backlight control, Wi-Fi Passpoint, S-Force Front surround, Read Mode, Alarm Clock, PS4 Remote Play, Noise suppression, Smart cleaner, Qnovo Adaptive Charging, Battery Care | Super power saving mode, HyperEngine technology, Reverse charging |
| OTHERS | Sony XPERIA XZ | Realme C21 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | IP68, IP65, HAC (Hearing Aid Compatible) | TUV Rheinland |
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