In depth comparison and review of Sony XPERIA 1 II and Xiaomi Redmi Note 9. 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 1 II | Xiaomi Redmi Note 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 166 mm | 162.3 mm | Sony XPERIA 1 II has greater height than Xiaomi Redmi Note 9. |
| Width | 72 mm | 77.2 mm | Xiaomi Redmi Note 9 has greater width than Sony XPERIA 1 II. |
| Depth | 7.9 mm | 8.9 mm | Sony XPERIA 1 II is narrower than Sony XPERIA 1 II. |
| Weight | 181 g | 199 g | Sony XPERIA 1 II is lighter than Sony XPERIA 1 II. |
| Body Colour | Black | Forest green | |
| Protection | Dustproof, water-resistant | Splashproof | |
| Waterproof (Water-resistant) | Yes | - | Sony XPERIA 1 II is waterproof. |
| IP rating | IP68, IP65 | - | |
| SAR Value | - | 2.262 W/kg (limb), 1.138 W/kg (body), 0.795 W/kg (head) | |
| Integrated Components | - | Ultra-linear speaker | |
| Connector Type | USB Type-C - 24 pin USB-C 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 | |
| SIM Card Qty | Single-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Sony XPERIA 1 II | Xiaomi Redmi Note 9 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Screen Size (Display Size) | 6.5" | 6.53" | Xiaomi Redmi Note 9 has larger screen size than Sony XPERIA 1 II. |
| Screen Resolution (Display Resolution) | 3840 x 1644 pixels | 2340 x 1080 pixels | Sony XPERIA 1 II has better screen resolution than Xiaomi Redmi Note 9. |
| Display Format | 4K | Full HD+ | |
| Aspect Ratio | 21:9 | 19.5:9 | |
| Max Brightness | - | 450 cd/m² | |
| Contrast Ratio | - | 1500:1 | |
| HDR | Yes | - | Sony XPERIA 1 II has HDR. |
| Display Enhancement Technology | Motion Blur Reduction | - | |
| Display Features | DCI-P3 Wide colour gamut, CinemaWide display, Creator mode powered by CineAlta, X1 for mobile image processing engine, BT.2020, 10 bit tonal gradation, light source D65 white point | Reading mode 2.0, Dot Display, Full Screen gestures | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Sony XPERIA 1 II | Xiaomi Redmi Note 9 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 865 | MediaTek Helio G85 | |
|---|---|---|---|
| Clock Speed | - | 2 GHz | |
| Processor Core Qty | - | 8-core | |
| 64-bit Architecture | Yes | - | Sony XPERIA 1 II has 64-bit architecture. |
| Graphics System (GPU) | - | ARM G52 MC2 |
| MEMORY | Sony XPERIA 1 II | Xiaomi Redmi Note 9 |
|---|
| RAM | 8 GB | 3 GB | Sony XPERIA 1 II has more RAM than Xiaomi Redmi Note 9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 256 GB | 64 GB | Sony XPERIA 1 II has more internal memory than Xiaomi Redmi Note 9. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 1 TB | microSD |
| CAMERA | Sony XPERIA 1 II | Xiaomi Redmi Note 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Xiaomi Redmi Note 9 has better camera resolution than Sony XPERIA 1 II. |
| Sensor Size | 1/1.7" | 1/2" | Xiaomi Redmi Note 9 has better camera sensor size than Sony XPERIA 1 II. |
| Sensor Type | Exmor RS CMOS | - | |
| Lens Aperture | F/1.7 | F/1.79 | Sony XPERIA 1 II has better lens aperture than Sony XPERIA 1 II. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 82 degree(s) | 79.4 degree(s) | Sony XPERIA 1 II has larger lens field of view than Xiaomi Redmi Note 9. |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Sony XPERIA 1 II has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 24 mm | - | |
| Optical Zoom | 3x | - | |
| Digital Zoom | 3x | - | |
| Special Effects | - | HDR, Kaleidoscope | |
| Camera Modes | Slow motion video, SteadyShot, Intelligent Active Mode | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9 has face detection. |
| Light Source | LED flash | Flash | |
| Video Resolutions | 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 | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Carl Zeiss optic, Stereo Recording, BIONZ X for mobile, Eye Autofocus, ZEISS T Coating, up to 20 fps AF/AE, up to 60 times per second continuous AF / AE calculation, Real-time Eye AF for humans and animals, Dual photo diode, 3D iToF sensor, RGB-IR, Cinematography Pro powered by CineAlta, Intelligent wind filter, Hybrid OIS/EIS video stabilisation, Optical SteadyShot | 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Sony XPERIA 1 II has better second camera resolution than Xiaomi Redmi Note 9. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/3.4" | 1/4" | Xiaomi Redmi Note 9 has better second camera sensor size than Sony XPERIA 1 II. |
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Xiaomi Redmi Note 9 has better second camera lens aperture than Sony XPERIA 1 II. |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | 34 degree(s) | 118 degree(s) | Xiaomi Redmi Note 9 has larger second camera lens field of view than Sony XPERIA 1 II. |
| Pixel Size (2nd Camera) | - | 1.2 μm | |
| Minimum Focal Length (2nd Camera) | 70 mm | - | |
| Camera Features (2nd Camera) | - | 5-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 12 Megapixel | 2 Megapixel | Sony XPERIA 1 II has higher resolution third camera than Xiaomi Redmi Note 9. |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/2.55" | - | |
| Sensor Name (3rd Camera) | Sony Exmor RS sensor | - | |
| Lens Aperture (3rd Camera) | F/2.2 | F/2.4 | Sony XPERIA 1 II has better third camera lens aperture than Sony XPERIA 1 II. |
| Field of View (3rd Camera) | 124 degree(s) | - | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Minimum Focal Length (3rd Camera) | 16 mm | - | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | AF (2cm-10cm) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (4th Camera) | - | 1/5" | |
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Lens Element Qty (4th Camera) | - | 3-element | |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 13 Megapixel | Xiaomi Redmi Note 9 has better front camera resolution than Sony XPERIA 1 II. |
| Sensor Size (Front) | 1/4" | 1/3.06" | Sony XPERIA 1 II has better front camera sensor size than Xiaomi Redmi Note 9. |
| Lens Aperture (Front) | F/2.0 | F/2.25 | Sony XPERIA 1 II has better front lens aperture than Sony XPERIA 1 II. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | 84 degree(s) | 74 degree(s) | Sony XPERIA 1 II has larger front lens field of view than Xiaomi Redmi Note 9. |
| Pixel Size (Front) | - | 1.12 μm | |
| Special Effects (Front) | HDR | HDR | |
| Camera Modes (Front) | SteadyShot, Intelligent Active Mode, Selfie portrait | Panoramic selfies, AI portrait mode, AI Beautify | |
| Face Recognition (Face ID) | Smile shutter | Face recognition | Both phones have face detection. |
| Light Source (Front) | Display flash | Display flash | |
| Camera Features (Front) | Hand Shutter | Palm shutter, AI silhouette detection |
| BATTERY AND CHARGING | Sony XPERIA 1 II | Xiaomi Redmi Note 9 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5020 mAh | Xiaomi Redmi Note 9 has larger battery capacity than Sony XPERIA 1 II. |
|---|---|---|---|
| Fast Charging Technology | Xperia-Adaptive Charging | - | Sony XPERIA 1 II has fast charging technology. |
| Wireless Charging | Yes | - | Sony XPERIA 1 II can be charged wirelessly. |
| Wireless Charging Standards | Qi | - | |
| Talk Time | - | 1980 minutes | |
| Run Time Details | - | Talk: up to 1980 min Gaming: up to 16 hrs Playback (Music): up to 147 hrs Navigation: up to 16 hrs |
|
| Battery Technology | - | Lithium polymer |
| CELLULAR | Sony XPERIA 1 II | Xiaomi Redmi Note 9 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Sony XPERIA 1 II has more advanced generation mobile network. |
| Operating System | Android 10 | - | |
| Navigation | GPS, A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Sony XPERIA 1 II | Xiaomi Redmi Note 9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, 5G NR FR1 | VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 1900, 1700, 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 25, Band 26, Band 28, Band 29, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66 | Band 1, Band 2, Band 3, Band 4, 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 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 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| 5G NR Band | N1, n3, n28, n77, n78 | - | |
| 5G NR Frequency | FDD 2100, FDD 1800, FDD 700APT, TDD TD 3700, TDD TD 3500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.1 | Bluetooth 5.0 | |
| NFC | Yes | - | Sony XPERIA 1 II has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Sony XPERIA 1 II | Xiaomi Redmi Note 9 |
|---|
| Supported Digital Audio Standards | PCM, MP3, FLAC, AAC-LC, AAC +, eAAC+, MIDI, DSD, LDAC, ALAC, OPUS, AMR-WB, AMR-NB, Vorbis, AAC-ELD | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264, H.263, VP8, VP9, H.265, AV1 | MKV, XviD, M4V, MP4 | |
| Sound Enhancements | Dolby Atmos sound technology, Hi-Res audio, Qualcomm aptX HD audio, DSEE Ultimate, 360 Reality Audio, 360 Reality Audio hardware decoding, True front stereo speakers, Hi-Res audio wireless | - | |
| Audio Amplifier | - | Smart PA |
| FEATURES | Sony XPERIA 1 II | Xiaomi Redmi Note 9 |
|---|
| 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, digital compass, gyro sensor, infrared (IR) sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | TTY compatible, Text-to-Speech (text recognition), multitasking, MIMO technology, Shortcut Key, PS4 Remote Play, Battery Care, STAMINA Mode, TalkBack, Dynamic vibration system, Xperia Adaptive Charging, Game Enhancer, Imaging Edge, DUALSHOCK 4 control compatibility | Infrared remote control, HyperEngine technology |
| OTHERS | Sony XPERIA 1 II | Xiaomi Redmi Note 9 |
|---|
| Included Accessories | Power adapter | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | IP68, IP65, HAC (Hearing Aid Compatible), USB Power Delivery | TUV Rheinland Low Blue Light Certification |
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