In depth comparison and review of Xiaomi MI 4i and Samsung Galaxy A9 (2018). 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 A9 (2018) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A920F/DS | |
| Form Factor | Touch | Touch | |
| Height | 138.1 mm | 162.5 mm | Samsung Galaxy A9 (2018) has greater height than Xiaomi MI 4i. |
| Width | 69.6 mm | 77 mm | Samsung Galaxy A9 (2018) has greater width than Xiaomi MI 4i. |
| Depth | 7.8 mm | 7.8 mm | Both phones are the same depth. |
| Weight | 130 g | 183 g | Xiaomi MI 4i is lighter than Xiaomi MI 4i. |
| Body Colour | Black | Dark grey | White | Lemonade blue | Caviar black | Bubblegum pink | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.29 W/kg | 1.587 W/kg (body), 0.351 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | Xiaomi MI 4i | Samsung Galaxy A9 (2018) |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Super AMOLED | |
| Screen Size (Display Size) | 5" | 6.3" | Samsung Galaxy A9 (2018) has larger screen size than Xiaomi MI 4i. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2220 x 1080 pixels | Samsung Galaxy A9 (2018) has better screen resolution than Xiaomi MI 4i. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 441 ppi | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | Always-on display | |
| Display Protection (Screen Protector) | Corning Concore Glass | - |
| PROCESSOR | Xiaomi MI 4i | Samsung Galaxy A9 (2018) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 660 | |
|---|---|---|---|
| Clock Speed | 1.7 GHz | 2.2 GHz | Samsung Galaxy A9 (2018) 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 | - |
| MEMORY | Xiaomi MI 4i | Samsung Galaxy A9 (2018) |
|---|
| RAM | 2 GB | 6 GB | Samsung Galaxy A9 (2018) has more RAM than Xiaomi MI 4i. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Samsung Galaxy A9 (2018) has more internal memory than Xiaomi MI 4i. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Xiaomi MI 4i | Samsung Galaxy A9 (2018) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 24 Megapixel | Samsung Galaxy A9 (2018) has better camera resolution than Xiaomi MI 4i. |
| Lens Aperture | F/2.0 | F/1.7 | Samsung Galaxy A9 (2018) has better lens aperture than Xiaomi MI 4i. |
| Lens Construction | 5-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, manual mode | - | |
| Face Recognition (Face ID) | Face detection, smile detection | - | Xiaomi MI 4i has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.4 |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 10 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Optical Zoom | - | 2x |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.2 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 24 Megapixel | Samsung Galaxy A9 (2018) has better front camera resolution than Xiaomi MI 4i. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.8 | F/2.0 | Xiaomi MI 4i has better front lens aperture than Xiaomi MI 4i. |
| Lens Element Qty (Front) | 5-element | - |
| BATTERY AND CHARGING | Xiaomi MI 4i | Samsung Galaxy A9 (2018) |
|---|
| Battery Capacity (Battery Size) | 3120 mAh | 3800 mAh | Samsung Galaxy A9 (2018) has larger battery capacity than Xiaomi MI 4i. |
|---|---|---|---|
| Talk Time | 2100 minutes | - | |
| Run Time Details | Talk (WCDMA): up to 2100 min | - | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Xiaomi MI 4i | Samsung Galaxy A9 (2018) |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.0.2 (Lollipop) | Android 8.0 Oreo | |
| User Interface | MIUI V6 | - | |
| Intelligent Assistant | - | Bixby | |
| Payment Technology | - | Samsung Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi MI 4i | Samsung Galaxy A9 (2018) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 | - | |
| 4G LTE Frequency | FDD 1800+, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | - | |
| 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 | |
| Bluetooth Profiles | A2DP, HID | - | |
| NFC | - | Yes | Samsung Galaxy A9 (2018) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI 4i | Samsung Galaxy A9 (2018) |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, DivX, H.264 | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 |
| FEATURES | Xiaomi MI 4i | Samsung Galaxy A9 (2018) |
|---|
| 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, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | MIMO technology, Active noise-cancellation | MIMO technology, Bixby Vision |
| OTHERS | Xiaomi MI 4i | Samsung Galaxy A9 (2018) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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