Side by side comparison and review of Samsung Galaxy A8 (2018) and Xiaomi Redmi 9. 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 A8 (2018) | Xiaomi Redmi 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A530F | - | |
| Form Factor | Touch | Touch | |
| Height | 149.2 mm | 163.32 mm | Xiaomi Redmi 9 has greater height than Samsung Galaxy A8 (2018). |
| Width | 70.6 mm | 77.01 mm | Xiaomi Redmi 9 has greater width than Samsung Galaxy A8 (2018). |
| Depth | 8.4 mm | 9.1 mm | Samsung Galaxy A8 (2018) is narrower than Samsung Galaxy A8 (2018). |
| Weight | 172 g | 198 g | Samsung Galaxy A8 (2018) is lighter than Samsung Galaxy A8 (2018). |
| Body Colour | Orchid grey | Gold | Black | Carbon grey | |
| Protection | Dustproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy A8 (2018) is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 1.25 W/kg (body), 0.241 W/kg (head) | 1.065 W/kg (body), 0.789 W/kg (head), 2.309 W/kg (limb) | |
| 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 |
| DISPLAY | Samsung Galaxy A8 (2018) | Xiaomi Redmi 9 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Super AMOLED | - | |
| Screen Size (Display Size) | 5.6" | 6.53" | Xiaomi Redmi 9 has larger screen size than Samsung Galaxy A8 (2018). |
| Screen Resolution (Display Resolution) | 2220 x 1080 pixels | 2340 x 1080 pixels | Xiaomi Redmi 9 has better screen resolution than Samsung Galaxy A8 (2018). |
| Display Format | - | Full HD+ | |
| Pixel Density | 440 ppi | 394 ppi | Samsung Galaxy A8 (2018) has better pixel density than Xiaomi Redmi 9. |
| Aspect Ratio | 18.5:9 | 19.5:9 | |
| Max Brightness | - | 400 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Features | Always-on display, Infinity Display | Colour temperature adjustment, Dot Drop display, Reading mode 2.0 | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A8 (2018) | Xiaomi Redmi 9 |
|---|
| Processor Type (CPU) | Samsung Exynos | MediaTek Helio G80 | |
|---|---|---|---|
| Processor Number | 7885 | - | |
| Clock Speed | 2.2 GHz | 2 GHz | Samsung Galaxy A8 (2018) has higher clock speed than Xiaomi Redmi 9. |
| 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) | - | Mali-G52 MC2 |
| MEMORY | Samsung Galaxy A8 (2018) | Xiaomi Redmi 9 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Xiaomi Redmi 9 has more internal memory than Samsung Galaxy A8 (2018). |
| User Memory | 22.7 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | Samsung Galaxy A8 (2018) | Xiaomi Redmi 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 13 Megapixel | Samsung Galaxy A8 (2018) has better camera resolution than Xiaomi Redmi 9. |
| Sensor Size | 1/2.8" | - | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/1.7 | F/2.2 | Samsung Galaxy A8 (2018) has better lens aperture than Samsung Galaxy A8 (2018). |
| Field of View (FoV) | - | 75.2 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 4x | - | |
| Special Effects | HDR, Beauty effect, Grid Line | HDR, Kaleidoscope | |
| Camera Modes | Panorama, Pro mode, night mode, Beauty mode, HYPERLAPSE, low-light shots, Food mode | Portrait mode | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy A8 (2018) has face detection. |
| Light Source | LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), VDIS (Video Digital Image Stabilisation), Hyperlapse video with stabilisation, Tracking AF, Video location tags, Live stickers, Stamps, location tags, High CRI flash | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 118 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 8 Megapixel | Samsung Galaxy A8 (2018) has better front camera resolution than Xiaomi Redmi 9. |
| Sensor Size (Front) | 1/3.1" | - | |
| Lens Aperture (Front) | F/1.9 | F/2.0 | Samsung Galaxy A8 (2018) has better front lens aperture than Samsung Galaxy A8 (2018). |
| Field of View (Front) | - | 77.8 degree(s) | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR, Grid Line | HDR | |
| Camera Modes (Front) | Night mode, wide selfie mode, Beauty mode, Live Focus mode | Portrait mode | |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | Quick launch, Live stickers, Stamps, location tags | Self-timer, Palm shutter |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 8 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (2nd Front) | F/1.9 | - |
| BATTERY AND CHARGING | Samsung Galaxy A8 (2018) | Xiaomi Redmi 9 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5020 mAh | Xiaomi Redmi 9 has larger battery capacity than Samsung Galaxy A8 (2018). |
|---|---|---|---|
| Talk Time | 1140 minutes | 1860 minutes | Xiaomi Redmi 9 has longer battery life when making calls than Samsung Galaxy A8 (2018). |
| Run Time Details | Active online usage (3G): up to 12 hrs Active online usage (LTE): up to 14 hrs Active online usage (Wi-Fi): up to 15 hrs Playback (video): up to 17 hrs Playback (audio): up to 43 hrs Playback (audio (Always On Display Off)): up to 64 hrs Talk (3G): up to 1140 min |
Talk: up to 1860 min Continuous navigation: up to 19 hrs Playback (video): up to 19 hrs Playback (Music): up to 185 hrs |
| CELLULAR | Samsung Galaxy A8 (2018) | Xiaomi Redmi 9 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.1.1 Nougat | - | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy A8 (2018) | Xiaomi Redmi 9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 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 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, 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 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, 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 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | - | Samsung Galaxy A8 (2018) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy A8 (2018) | Xiaomi Redmi 9 |
|---|
| 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, H.264, ASP, MP4 |
| FEATURES | Samsung Galaxy A8 (2018) | Xiaomi Redmi 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, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, ambient light sensor, digital compass, distance sensor, infrared (IR) sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Fast Charging, S-Voice, Samsung KNOX, Dual Messenger, Smart View, Bixby Vision, Secure Folder function, MEMS microphones | Fast Charging, AI face unlock |
| OTHERS | Samsung Galaxy A8 (2018) | Xiaomi Redmi 9 |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C cable, TPU case, 10W charger | |
|---|---|---|---|
| Compliant Standards | IP68 | - | |
| Max Depth of Water Resistance | 1.5 m | - |
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