Side by side comparison and review of Sony XPERIA XA2 Ultra and Xiaomi Redmi S2. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sony XPERIA XA2 Ultra | Xiaomi Redmi S2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | H4213 | - | |
| Form Factor | Touch | Touch | |
| Height | 163 mm | 160.73 mm | Sony XPERIA XA2 Ultra has greater height than Xiaomi Redmi S2. |
| Width | 80 mm | 77.26 mm | Sony XPERIA XA2 Ultra has greater width than Xiaomi Redmi S2. |
| Depth | 9.5 mm | 8.1 mm | Xiaomi Redmi S2 is narrower than Sony XPERIA XA2 Ultra. |
| Weight | 221 g | 170 g | Xiaomi Redmi S2 is lighter than Sony XPERIA XA2 Ultra. |
| Body Colour | Black | Grey | Blue | Rose gold | Gold | Black | Dark grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.12 W/kg (body), 0.41 W/kg (head) | 1.577 W/kg (body), 0.429 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
Micro-USB - 5 pin Micro-USB Type B 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 | Xiaomi Redmi S2 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | LTPS TFT | - | |
| Screen Size (Display Size) | 6" | 5.99" | Sony XPERIA XA2 Ultra has larger screen size than Xiaomi Redmi S2. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1440 x 720 pixels | Sony XPERIA XA2 Ultra has better screen resolution than Xiaomi Redmi S2. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 367 ppi | 269 ppi | Sony XPERIA XA2 Ultra has better pixel density than Xiaomi Redmi S2. |
| Aspect Ratio | - | 18:9 | |
| Max Brightness | 500 cd/m² | 450 cd/m² | Sony XPERIA XA2 Ultra has better display brightness than Xiaomi Redmi S2. |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 1000:1 | |
| Display Features | 2.5D curved glass, Image Enhance Technology | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | Sony XPERIA XA2 Ultra | Xiaomi Redmi S2 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 630 | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 508 | Qualcomm ADRENO 506 |
| MEMORY | Sony XPERIA XA2 Ultra | Xiaomi Redmi S2 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 3 GB | Sony XPERIA XA2 Ultra has more RAM than Xiaomi Redmi S2. |
|---|---|---|---|
| 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 | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Sony XPERIA XA2 Ultra | Xiaomi Redmi S2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 23 Megapixel | 12 Megapixel | Sony XPERIA XA2 Ultra has better camera resolution than Xiaomi Redmi S2. |
| 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. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 120 mm | - | |
| Optical Zoom | 5x | - | |
| Special Effects | - | HDR, low light enhancement | |
| Camera Modes | Slow motion video, SteadyShot, low-light shots | Panorama, portrait mode, AI portrait mode | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi S2 has face detection. |
| 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, 1280 x 720 (720p) 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 Dual camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 16 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | 1/2.6" | - | |
| Sensor Name (Front) | Sony Exmor RS sensor | - | |
| Lens Type (Front) | Wide-angle lens | Wide-angle lens | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | Automatic | - | |
| Special Effects (Front) | - | Precise bokeh effect, AI Beautify 4.0 | |
| HDR Mode (Front) | - | Auto HDR mode | |
| Camera Modes (Front) | SteadyShot | Wide selfie mode | |
| Light Source (Front) | LED light | LED flash | |
| 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 | Xiaomi Redmi S2 |
|---|
| Battery Capacity (Battery Size) | 3580 mAh | 3080 mAh | Sony XPERIA XA2 Ultra has larger battery capacity than Xiaomi Redmi S2. |
|---|---|---|---|
| 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 | Xiaomi Redmi S2 |
|---|
| 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 | - | |
| User Interface | - | MIUI 9 | |
| Navigation | GPS, A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Sony XPERIA XA2 Ultra | Xiaomi Redmi S2 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | 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 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 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 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
| 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 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Infrared (IrDA), IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
| 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 | SMS, MMS |
| MEDIA | Sony XPERIA XA2 Ultra | Xiaomi Redmi S2 |
|---|
| 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 | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, 3GP, H.264, H.263, WebM, VP8, VP9, 3GPP, H.264 MP, H.264 HP, H.265 Main | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | |
| Sound Enhancements | Clear Audio+, Clear Bass, Surround sound (VPT) | - |
| FEATURES | Sony XPERIA XA2 Ultra | Xiaomi Redmi S2 |
|---|
| 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, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Fingerprint reader | Face recognition, 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 | Infrared remote control, Dual microphones | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | Sony XPERIA XA2 Ultra | Xiaomi Redmi S2 |
|---|
| Included Accessories | Headset, power adapter, USB-C cable | USB cable, power adapter, SIM card removal tool, clear soft case | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | - |
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