In depth comparison and review of Xiaomi MI 4i and Samsung Galaxy Note9. 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 | Xiaomi MI 4i | Samsung Galaxy Note9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-N960F/DS | |
| Form Factor | Touch | Touch | |
| Height | 138.1 mm | 161.9 mm | Samsung Galaxy Note9 has greater height than Xiaomi MI 4i. |
| Width | 69.6 mm | 76.4 mm | Samsung Galaxy Note9 has greater width than Xiaomi MI 4i. |
| Depth | 7.8 mm | 8.8 mm | Xiaomi MI 4i is narrower than Xiaomi MI 4i. |
| Weight | 130 g | 201 g | Xiaomi MI 4i is lighter than Xiaomi MI 4i. |
| Body Colour | Black | Dark grey | White | Cobalt blue | Metallic copper | Deep black | Ocean blue | Midnight black | Lavender purple | |
| Protection | - | Dustproof, splashproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | Samsung Galaxy Note9 is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.29 W/kg | 1.509 W/kg (body), 0.381 W/kg (head), 2.24 W/kg (limb) | |
| Integrated Components | FM radio | Heart rate sensor | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi MI 4i | Samsung Galaxy Note9 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Quad HD+ Super AMOLED | |
| Screen Size (Display Size) | 5" | 6.4" | Samsung Galaxy Note9 has larger screen size than Xiaomi MI 4i. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2960 x 1440 pixels | Samsung Galaxy Note9 has better screen resolution than Xiaomi MI 4i. |
| Display Format | Full HD | QHD+ | |
| Pixel Density | 441 ppi | 516 ppi | Samsung Galaxy Note9 has better pixel density than Xiaomi MI 4i. |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | Always-on display, Edge Screen, Infinity Display, Edge-to-Edge screen | |
| Display Protection (Screen Protector) | Corning Concore Glass | - |
| PROCESSOR | Xiaomi MI 4i | Samsung Galaxy Note9 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | Samsung Exynos 9 | |
|---|---|---|---|
| Processor Number | - | 9810 | |
| Clock Speed | 1.7 GHz | 2.7 GHz | Samsung Galaxy Note9 has higher clock speed than Xiaomi MI 4i. |
| 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 405 | Mali-G72 MP18 |
| MEMORY | Xiaomi MI 4i | Samsung Galaxy Note9 |
|---|
| RAM | 2 GB | LPDDR4 SDRAM - 6 GB | Samsung Galaxy Note9 has more RAM than Xiaomi MI 4i. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Samsung Galaxy Note9 has more internal memory than Xiaomi MI 4i. |
| User Memory | - | 108.9 GB | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Xiaomi MI 4i | Samsung Galaxy Note9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | Xiaomi MI 4i has better camera resolution than Samsung Galaxy Note9. |
| Sensor Size | - | 1/2.55" | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.0 | F/1.5 & f/2.4 | Samsung Galaxy Note9 has better lens aperture than Xiaomi MI 4i. |
| Lens Construction | 5-element | - | |
| Optical Image Stabiliser (OIS) | - | Dual OIS (Optical Image Stabilisation) | Samsung Galaxy Note9 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 10x | |
| Special Effects | - | HDR, Bokeh effect, Grid Line | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, manual mode | Panorama, Pro mode, Timer mode, HYPERLAPSE, Auto mode, Food mode, Super Slow-mo, AR Emoji, Portraits, Flowers, Indoor scenes, Animals, Landscapes, Greenery, Trees, Sky, Mountains, Beaches, Sunrises and sunsets, Watersides, Street scenes, Night scenes, Waterfalls, Snow, Birds, Backlit, Text, Disney AR Emoji | |
| Face Recognition (Face ID) | Face detection, smile detection | Face detection | Both phones have face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 2560 x 1440 (QHD) at 30 fps | |
| Camera Features (Functions) | - | Quick Launch, Playback zoom, Motion photo, VDIS (Video Digital Image Stabilisation), Live Focus, Dual Capture, High CRI LED flash, Tracking AF, Video location tags, Stamps, location tags, Continuous autofocus video, Hyperlapse video support 1080p, Live focus with bokeh filters, Super Speed Dual Pixel, background blur, Scene Optimiser, Eye blink, Motion blur, Lens smudge, Backlit, Full view, Flaw detection, 9.1MP still photos recording 4K video |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/3.4" | |
| Lens Type (2nd Camera) | - | Telephoto lens | |
| Lens Aperture (2nd Camera) | - | F/2.4 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Samsung Galaxy Note9 has better front camera resolution than Xiaomi MI 4i. |
| Sensor Size (Front) | - | 1/3.6" | |
| Lens Type (Front) | Wide-angle lens | Wide-angle lens | |
| Lens Aperture (Front) | F/1.8 | F/1.7 | Samsung Galaxy Note9 has better front lens aperture than Xiaomi MI 4i. |
| Lens Element Qty (Front) | 5-element | - | |
| Focus Adjustment | - | Automatic | |
| Special Effects (Front) | - | HDR, Grid Line | |
| Camera Modes (Front) | - | Timer mode, wide selfie mode, selfie mode, AR Emoji, selfie focus | |
| Camera Features (Front) | - | Quick launch, Motion photo, Stamps, location tags, VDIS (Video Digital Image Stabilization), Full view, Flaw detection |
| BATTERY AND CHARGING | Xiaomi MI 4i | Samsung Galaxy Note9 |
|---|
| Battery Capacity (Battery Size) | 3120 mAh | 4000 mAh | Samsung Galaxy Note9 has larger battery capacity than Xiaomi MI 4i. |
|---|---|---|---|
| Wireless Charging | - | Yes | Samsung Galaxy Note9 can be charged wirelessly. |
| Wireless Charging Standards | - | WPC, PMA | |
| Talk Time | 2100 minutes | 1740 minutes | Xiaomi MI 4i has longer battery life when making calls than Samsung Galaxy Note9. |
| Run Time Details | Talk (WCDMA): up to 2100 min | Talk (3G): up to 1740 min Active online usage (3G): up to 14 hrs Active online usage (4G): up to 16 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (audio): up to 59 hrs Playback (audio (Always On Display Off)): up to 95 hrs Playback (video): up to 20 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Xiaomi MI 4i | Samsung Galaxy Note9 |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | TD-SCDMA / WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.0.2 (Lollipop) | Android 8.1 Oreo | |
| User Interface | MIUI V6 | - | |
| Intelligent Assistant | - | Bixby | |
| Payment Technology | - | Samsung Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi MI 4i | Samsung Galaxy Note9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 1800+, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | 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 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac, ANT+/ANT | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | A2DP, HID | - | |
| NFC | - | Yes | Samsung Galaxy Note9 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI 4i | Samsung Galaxy Note9 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, apt-X, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, DivX, H.264 | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | |
| Sound Enhancements | - | Dolby Digital Plus sound, Dolby Atmos sound technology, Acoustic Overload Point, stereo speakers tuned by AKG, Dolby Digital sound |
| FEATURES | Xiaomi MI 4i | Samsung Galaxy Note9 |
|---|
| 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, gyro sensor, hall sensor | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, pressure sensor, geomagnetic sensor | |
| Security Devices | - | Face recognition, fingerprint reader, eye scan | |
| Additional Phone Features | MIMO technology, Active noise-cancellation | S Pen multi-input, Face Unlock, Wi-Fi Miracast, Screen Write, Smart Select, MU-MIMO technology, Fast Charging, Samsung KNOX, Face recognition, High AOP Mic, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, Smart Performance Adjuster, Dual Audio, water-carbon cooling system, S Pen remote function |
| OTHERS | Xiaomi MI 4i | Samsung Galaxy Note9 |
|---|
| Included Accessories | Power adapter | Power adapter, tweezer, SIM card removal tool, USB connector, USB-C cable, S Pen, Pen nibs, headset (tuned by AKG) | |
|---|---|---|---|
| Compliant Standards | - | IP68 | |
| Max Depth of Water Resistance | - | 1.5 m |
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