Side by side comparison and review of Samsung Galaxy A9 (2018) and Xiaomi Redmi Note 9T. 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 | Samsung Galaxy A9 (2018) | Xiaomi Redmi Note 9T |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A920F/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 162.5 mm | 161.9 mm | Samsung Galaxy A9 (2018) has greater height than Xiaomi Redmi Note 9T. |
| Width | 77 mm | 77.3 mm | Xiaomi Redmi Note 9T has greater width than Samsung Galaxy A9 (2018). |
| Depth | 7.8 mm | 9.05 mm | Samsung Galaxy A9 (2018) is narrower than Samsung Galaxy A9 (2018). |
| Weight | 183 g | 199 g | Samsung Galaxy A9 (2018) is lighter than Samsung Galaxy A9 (2018). |
| Body Colour | Lemonade blue | Caviar black | Bubblegum pink | Daybreak purple | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.587 W/kg (body), 0.351 W/kg (head) | 0.937 W/kg (body), 0.592 W/kg (head), 1.981 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | - | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A9 (2018) | Xiaomi Redmi Note 9T |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Super AMOLED | - | |
| Screen Size (Display Size) | 6.3" | 6.53" | Xiaomi Redmi Note 9T has larger screen size than Samsung Galaxy A9 (2018). |
| Screen Resolution (Display Resolution) | 2220 x 1080 pixels | 2340 x 1080 pixels | Xiaomi Redmi Note 9T has better screen resolution than Samsung Galaxy A9 (2018). |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | - | 395 ppi | |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | - | 450 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Features | Always-on display | Reading mode, night mode, Dot Display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A9 (2018) | Xiaomi Redmi Note 9T |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 660 | MediaTek Dimensity 800U | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 2.3 GHz | Xiaomi Redmi Note 9T has higher clock speed than Samsung Galaxy A9 (2018). |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy A9 (2018) has 64-bit architecture. |
| Graphics System (GPU) | - | Mali-G57 |
| MEMORY | Samsung Galaxy A9 (2018) | Xiaomi Redmi Note 9T |
|---|
| RAM | 6 GB | LPDDR4X SDRAM - 4 GB | Samsung Galaxy A9 (2018) has more RAM than Xiaomi Redmi Note 9T. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Samsung Galaxy A9 (2018) has more internal memory than Xiaomi Redmi Note 9T. |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSD |
| CAMERA | Samsung Galaxy A9 (2018) | Xiaomi Redmi Note 9T |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 24 Megapixel | 48 Megapixel | Xiaomi Redmi Note 9T has better camera resolution than Samsung Galaxy A9 (2018). |
| Sensor Size | - | 1/2" | |
| Lens Aperture | F/1.7 | F/1.79 | Samsung Galaxy A9 (2018) has better lens aperture than Samsung Galaxy A9 (2018). |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | LED flash | Flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | - | 4-in-1 Super Pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | Samsung Galaxy A9 (2018) has better second camera resolution than Xiaomi Redmi Note 9T. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.4 | Both phones have the same second camera lens aperture. |
| Pixel Size (2nd Camera) | - | 1.75 μm | |
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 10 Megapixel | 2 Megapixel | Samsung Galaxy A9 (2018) has higher resolution third camera than Xiaomi Redmi Note 9T. |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Optical Zoom | 2x | - | |
| Camera Functions (3rd Camera) | - | Depth camera |
| 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) | 24 Megapixel | 13 Megapixel | Samsung Galaxy A9 (2018) has better front camera resolution than Xiaomi Redmi Note 9T. |
| Lens Aperture (Front) | F/2.0 | F/2.25 | Samsung Galaxy A9 (2018) has better front lens aperture than Samsung Galaxy A9 (2018). |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9T has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps |
| BATTERY AND CHARGING | Samsung Galaxy A9 (2018) | Xiaomi Redmi Note 9T |
|---|
| Battery Capacity (Battery Size) | 3800 mAh | 5000 mAh | Xiaomi Redmi Note 9T has larger battery capacity than Samsung Galaxy A9 (2018). |
|---|
| CELLULAR | Samsung Galaxy A9 (2018) | Xiaomi Redmi Note 9T |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Xiaomi Redmi Note 9T has more advanced generation mobile network. |
| Operating System | Android 8.0 Oreo | Android 10 | |
| User Interface | - | MIUI 12 | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, Galileo |
| COMMUNICATIONS | Samsung Galaxy A9 (2018) | Xiaomi Redmi Note 9T |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 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 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 42 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, TDD 3500 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n79 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A9 (2018) | Xiaomi Redmi Note 9T |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | AAC, LDAC, LHDC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - |
| FEATURES | Samsung Galaxy A9 (2018) | Xiaomi Redmi Note 9T |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | MIMO technology, Bixby Vision | Infrared remote control, linear motor, WriteBooster technology, Host Performance Booster (HPB) technology |
| OTHERS | Samsung Galaxy A9 (2018) | Xiaomi Redmi Note 9T |
|---|
| Included Accessories | Power adapter | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland Low Blue Light Certification |
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