In depth comparison and review of Sony XPERIA X Performance 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 X Performance | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | F8131 | - | |
| Form Factor | Touch | Touch | |
| Height | 143.7 mm | 165.2 mm | Realme C21 has greater height than Sony XPERIA X Performance. |
| Width | 70.4 mm | 76.4 mm | Realme C21 has greater width than Sony XPERIA X Performance. |
| Depth | 8.7 mm | 8.9 mm | Sony XPERIA X Performance is narrower than Sony XPERIA X Performance. |
| Weight | 165 g | 190 g | Sony XPERIA X Performance is lighter than Sony XPERIA X Performance. |
| Body Colour | - | Cross black | Cross blue | |
| Protection | Dustproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Sony XPERIA X Performance is waterproof. |
| IP rating | IP68 | - | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | Sony XPERIA X Performance | Realme C21 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | LCD | |
| Screen Size (Display Size) | 5" | 6.5" | Realme C21 has larger screen size than Sony XPERIA X Performance. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | Sony XPERIA X Performance has better screen resolution than Realme C21. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 441 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 420 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | Mini-drop display | |
| Display Protection (Screen Protector) | Scratch-resistant glass | - |
| PROCESSOR | Sony XPERIA X Performance | Realme C21 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 820 | MediaTek Helio G35 | |
|---|---|---|---|
| Processor Number | MSM8996 | - | |
| Clock Speed | 2.2 GHz | 2.3 GHz | Realme C21 has higher clock speed than Sony XPERIA X Performance. |
| Processor Core Qty | Quad-core | 8-core | Realme C21 has higher processor core quantity than Sony XPERIA X Performance. |
| 64-bit Architecture | Yes | - | Sony XPERIA X Performance has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 530 | PowerVR GE8320 |
| MEMORY | Sony XPERIA X Performance | 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 200 GB | microSD |
| CAMERA | Sony XPERIA X Performance | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 23 Megapixel | 13 Megapixel | Sony XPERIA X Performance has better camera resolution than Realme C21. |
| Sensor Name | Sony Exmor RS sensor | - | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.0 | F/2.2 | Sony XPERIA X Performance has better lens aperture than Sony XPERIA X Performance. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 24 mm | - | |
| Digital Zoom | 8x | 4x | Sony XPERIA X Performance has better digital zoom than Realme C21. |
| Special Effects | - | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Red-Eye Reduction, Panorama, manual mode | 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, smile shutter | - | Sony XPERIA X Performance has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Quick Launch, Object tracking, Scene recognition, Phase Detect Auto-Focus (PDAF) | 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 X Performance has better front camera resolution than Realme C21. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Sony XPERIA X Performance has better front lens aperture than Sony XPERIA X Performance. |
| 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 X Performance | Realme C21 |
|---|
| Battery Capacity (Battery Size) | 2700 mAh | 5000 mAh | Realme C21 has larger battery capacity than Sony XPERIA X Performance. |
|---|---|---|---|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Sony XPERIA X Performance | 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 | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Sony XPERIA X Performance | 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 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, 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, A2DP, AVRCP, HID, PBAP, MAP, GATT, DID, HOGP | - | |
| NFC | Yes | - | Sony XPERIA X Performance 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 | SMS, MMS | - |
| MEDIA | Sony XPERIA X Performance | Realme C21 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, ASF, PCM, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, XMF, LPCM, AAC +, OGG, eAAC+, MKA, MIDI, M4A, apt-X, DSF, DSDIFF | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, AVI, XviD, MPEG-4, 3GP, H.264, H.263, M4V, WebM, HEVC, H.265 | - | |
| Sound Enhancements | Digital Sound Enhancement Engine (DSEE HX), 3D surround sound (VPT) | - |
| FEATURES | Sony XPERIA X Performance | 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, ambient light sensor, proximity sensor, pedometer, digital compass, barometer, magnetometer, gyro sensor, motion sensor, geomagnetic sensor | Accelerometer, proximity sensor, magnetometer, light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | TTY compatible, DLNA Certified, multitasking, PlayStation certified, Screen capture, battery STAMINA mode, Glove mode, Smart rotation, TRILUMINOS display, Noise Cancellation Technology, X-Reality engine, Curved display, Screen mirroring, Clear Audio+, Clear Bass, PS Remote PLAY, Digital Noise Cancelling (DNC), Intelligent Noise Reduction, Hi-Res Audio, Smart backlight control, MirrorLink support | Super power saving mode, HyperEngine technology, Reverse charging |
| OTHERS | Sony XPERIA X Performance | Realme C21 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | IP68, HAC (Hearing Aid Compatible) | TUV Rheinland |
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