Detailed comparison and review of Samsung Galaxy A9 (2018) and Xiaomi Redmi 9A. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Samsung Galaxy A9 (2018) | Xiaomi Redmi 9A |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A920F/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 162.5 mm | 164.9 mm | Xiaomi Redmi 9A has greater height than Samsung Galaxy A9 (2018). |
| Width | 77 mm | 77.07 mm | Xiaomi Redmi 9A has greater width than Samsung Galaxy A9 (2018). |
| Depth | 7.8 mm | 9 mm | Samsung Galaxy A9 (2018) is narrower than Samsung Galaxy A9 (2018). |
| Weight | 183 g | 196 g | Samsung Galaxy A9 (2018) is lighter than Samsung Galaxy A9 (2018). |
| Body Colour | Lemonade blue | Caviar black | Bubblegum pink | Sky blue | Granite grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.587 W/kg (body), 0.351 W/kg (head) | 0.398 W/kg (head), 1.186 W/kg (body), 2.526 W/kg (limb) | |
| Integrated Components | - | FM radio | |
| Connector Type | 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 | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A9 (2018) | Xiaomi Redmi 9A |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Super AMOLED | - | |
| Screen Size (Display Size) | 6.3" | 6.53" | Xiaomi Redmi 9A has larger screen size than Samsung Galaxy A9 (2018). |
| Screen Resolution (Display Resolution) | 2220 x 1080 pixels | 1600 x 720 pixels | Samsung Galaxy A9 (2018) has better screen resolution than Xiaomi Redmi 9A. |
| Display Format | Full HD+ | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 400 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | - | Blue light filter, Sunlight mode | |
| Display Features | Always-on display | Reading mode, Colour temperature adjustment, Dot Drop display |
| PROCESSOR | Samsung Galaxy A9 (2018) | Xiaomi Redmi 9A |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 660 | MediaTek Helio G25 | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 2 GHz | Samsung Galaxy A9 (2018) has higher clock speed than Xiaomi Redmi 9A. |
| 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) | - | PowerVR GE8320 |
| MEMORY | Samsung Galaxy A9 (2018) | Xiaomi Redmi 9A |
|---|
| RAM | 6 GB | LPDDR4X SDRAM - 2 GB | Samsung Galaxy A9 (2018) has more RAM than Xiaomi Redmi 9A. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | Samsung Galaxy A9 (2018) has more internal memory than Xiaomi Redmi 9A. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSD |
| CAMERA | Samsung Galaxy A9 (2018) | Xiaomi Redmi 9A |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 1 | |
|---|---|---|---|
| Sensor Resolution | 24 Megapixel | 13 Megapixel | Samsung Galaxy A9 (2018) has better camera resolution than Xiaomi Redmi 9A. |
| Lens Aperture | F/1.7 | - | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, Kaleidoscope | |
| Camera Modes | - | AI portrait mode, AI Beautify 5.0 | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 9A has face detection. |
| Light Source | LED flash | Single tone LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), AI scene detection |
| 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) | 24 Megapixel | 5 Megapixel | Samsung Galaxy A9 (2018) has better front camera resolution than Xiaomi Redmi 9A. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Samsung Galaxy A9 (2018) has better front lens aperture than Samsung Galaxy A9 (2018). |
| Pixel Size (Front) | - | 1.12 μm | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | AI portrait mode, Portrait, AI Beautify 5.0 | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 9A has face detection. |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | Self-timer, Palm shutter |
| BATTERY AND CHARGING | Samsung Galaxy A9 (2018) | Xiaomi Redmi 9A |
|---|
| Battery Capacity (Battery Size) | 3800 mAh | 5000 mAh | Xiaomi Redmi 9A has larger battery capacity than Samsung Galaxy A9 (2018). |
|---|---|---|---|
| Standby Time | - | 816 hours | |
| Talk Time | - | 2280 minutes | |
| Run Time Details | - | Standby: up to 816 hrs Playback (audio): up to 168 hrs Talk: up to 2280 min Playback (video): up to 19 hrs Gaming: up to 14 hrs |
| CELLULAR | Samsung Galaxy A9 (2018) | Xiaomi Redmi 9A |
|---|
| 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 | - | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy A9 (2018) | Xiaomi Redmi 9A |
|---|
| Data Transmission | 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 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 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 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | - | Samsung Galaxy A9 (2018) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy A9 (2018) | Xiaomi Redmi 9A |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP | |
| Sound Enhancements | - | 0.64cc Sound Chamber |
| FEATURES | Samsung Galaxy A9 (2018) | Xiaomi Redmi 9A |
|---|
| 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, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, ambient light sensor, distance sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition | |
| Additional Phone Features | MIMO technology, Bixby Vision | AI face unlock, HyperEngine technology |
| OTHERS | Samsung Galaxy A9 (2018) | Xiaomi Redmi 9A |
|---|
| Included Accessories | Power adapter | USB cable, SIM card removal tool, 10W charger |
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