In depth comparison and review of Sony XPERIA XA2 Ultra 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 XA2 Ultra | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | H4213 | - | |
| Form Factor | Touch | Touch | |
| Height | 163 mm | 165.2 mm | Realme C21 has greater height than Sony XPERIA XA2 Ultra. |
| Width | 80 mm | 76.4 mm | Sony XPERIA XA2 Ultra has greater width than Realme C21. |
| Depth | 9.5 mm | 8.9 mm | Realme C21 is narrower than Sony XPERIA XA2 Ultra. |
| Weight | 221 g | 190 g | Realme C21 is lighter than Sony XPERIA XA2 Ultra. |
| Body Colour | Black | Cross black | Cross blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.12 W/kg (body), 0.41 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 | Dual-SIM |
| DISPLAY | Sony XPERIA XA2 Ultra | Realme C21 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | LTPS TFT | LCD | |
| Screen Size (Display Size) | 6" | 6.5" | Realme C21 has larger screen size than Sony XPERIA XA2 Ultra. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | Sony XPERIA XA2 Ultra has better screen resolution than Realme C21. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 367 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 500 cd/m² | 420 cd/m² | Sony XPERIA XA2 Ultra has better display brightness than Realme C21. |
| Colour Depth | 16.7 million colours | - | |
| Display Features | 2.5D curved glass, Image Enhance Technology | Mini-drop display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | Sony XPERIA XA2 Ultra | Realme C21 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 630 | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | - | 2.3 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Sony XPERIA XA2 Ultra has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 508 | PowerVR GE8320 |
| MEMORY | Sony XPERIA XA2 Ultra | Realme C21 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | LPDDR4X SDRAM - 3 GB | Sony XPERIA XA2 Ultra has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| User Memory | 24 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | Sony XPERIA XA2 Ultra | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 23 Megapixel | 13 Megapixel | Sony XPERIA XA2 Ultra has better camera resolution than Realme C21. |
| Sensor Size | 1/2.3" | - | |
| Sensor Name | Sony Exmor RS sensor | - | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.0 | F/2.2 | Sony XPERIA XA2 Ultra has better lens aperture than Sony XPERIA XA2 Ultra. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 120 mm | - | |
| Optical Zoom | 5x | - | |
| Digital Zoom | - | 4x | |
| Special Effects | - | HDR | |
| Camera Modes | Slow motion video, SteadyShot, low-light shots | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 3840 x 2160 (4K), 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Quick Launch, Quick Capture, Hybrid Auto focus, Touch Capture, Stereo Audio Recording, geotagging, 5x Clear Image Zoom | 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 | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | Sony XPERIA XA2 Ultra has better front camera resolution than Realme C21. |
| Sensor Size (Front) | 1/2.6" | - | |
| Sensor Name (Front) | Sony Exmor RS sensor | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Sony XPERIA XA2 Ultra has better front lens aperture than Sony XPERIA XA2 Ultra. |
| Lens Element Qty (Front) | - | 3-element | |
| Focus Adjustment | Automatic | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | SteadyShot | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | |
| Face Recognition (Face ID) | - | Face recognition | Realme C21 has face detection. |
| Light Source (Front) | LED light | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Front) | Optical Image Stabilisation (OIS), self-timer | - |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 8 Megapixel | - | |
|---|---|---|---|
| Sensor Name (2nd Front) | Sony Exmor R sensor | - | |
| Lens Aperture (2nd Front) | F/2.4 | - | |
| Camera Features (2nd Front) | Wide-angle lens | - |
| BATTERY AND CHARGING | Sony XPERIA XA2 Ultra | Realme C21 |
|---|
| Battery Capacity (Battery Size) | 3580 mAh | 5000 mAh | Realme C21 has larger battery capacity than Sony XPERIA XA2 Ultra. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | Sony XPERIA XA2 Ultra has fast charging technology. |
| Standby Time | 707 hours | - | |
| Talk Time | 2460 minutes | - | |
| Run Time Details | Talk (GSM): up to 2460 min Standby (dual SIM GSM+WCDMA): up to 686 hrs Talk (3G): up to 1920 min Standby (dual SIM GSM+LTE): up to 678 hrs Standby (dual SIM WCDMA+LTE): up to 707 hrs Playback (MP3 (via headset)): up to 118 hrs Playback (Full HD video (H.264)): up to 24 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Sony XPERIA XA2 Ultra | 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 8.0 Oreo | Android 10 | |
| User Interface | - | Realme UI | |
| Navigation | GPS, A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Sony XPERIA XA2 Ultra | 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 2, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38 | 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 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | 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 5.0 | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, SPP, GAP, A2DP, AVRCP, HID, SAP, AVCTP, BNEP, GAVDP, PBAP, MAP, DIP, RFCOMM, GATT, HOGP, AVDP | - | |
| NFC | Yes | - | Sony XPERIA XA2 Ultra 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 XA2 Ultra | Realme C21 |
|---|
| Supported Digital Audio Standards | WAV, AAC, MPEG 1 Audio, MPEG 2 Audio, MPEG 2.5 Audio, Ogg Vorbis, MP3, FLAC, AAC-LC, AAC +, OGG, eAAC+, MIDI, MPEG1 Layer3, apt-X, OTA, MP4, AMR-WB, AMR-NB, 3GPP, apt-X HD, SMF | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, 3GP, H.264, H.263, WebM, VP8, VP9, 3GPP, H.264 MP, H.264 HP, H.265 Main | - | |
| Sound Enhancements | Clear Audio+, Clear Bass, Surround sound (VPT) | - |
| FEATURES | Sony XPERIA XA2 Ultra | 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, magnetometer, motion sensor, geomagnetic sensor, Significant motion detector | Accelerometer, proximity sensor, magnetometer, light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | TTY compatible, Text-to-Speech (text recognition), intelligent typing (SWIFTKEY), intelligent typing (Gesture), Wi-Fi Miracast, Screen mirroring, Wi-Fi Passpoint, Alarm Clock, handwriting recognition, Noise suppression, Qnovo Adaptive Charging, Battery Care, Smart Stamina, STAMINA Mode | Super power saving mode, HyperEngine technology, Reverse charging | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | Sony XPERIA XA2 Ultra | Realme C21 |
|---|
| Included Accessories | Headset, power adapter, USB-C cable | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | TUV Rheinland |
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