Detailed comparison and review of Xiaomi Redmi 3S and Samsung Galaxy A8 (2018). 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 | Xiaomi Redmi 3S | Samsung Galaxy A8 (2018) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A530F | |
| Form Factor | Touch | Touch | |
| Height | 139.3 mm | 149.2 mm | Samsung Galaxy A8 (2018) has greater height than Xiaomi Redmi 3S. |
| Width | 69.6 mm | 70.6 mm | Samsung Galaxy A8 (2018) has greater width than Xiaomi Redmi 3S. |
| Depth | 8.5 mm | 8.4 mm | Samsung Galaxy A8 (2018) is narrower than Xiaomi Redmi 3S. |
| Weight | 144 g | 172 g | Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S. |
| Body Colour | Gold | Orchid grey | Gold | Black | |
| Body Material | Metal | - | |
| Protection | - | Dustproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | Samsung Galaxy A8 (2018) is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 0.43 W/kg (body), 0.62 W/kg (head) | 1.25 W/kg (body), 0.241 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi Redmi 3S | Samsung Galaxy A8 (2018) |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | Super AMOLED | |
| Screen Size (Display Size) | 5" | 5.6" | Samsung Galaxy A8 (2018) has larger screen size than Xiaomi Redmi 3S. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2220 x 1080 pixels | Samsung Galaxy A8 (2018) has better screen resolution than Xiaomi Redmi 3S. |
| Display Format | HD | - | |
| Pixel Density | - | 440 ppi | |
| Aspect Ratio | - | 18.5:9 | |
| Colour Depth | - | 16.7 million colours | |
| Display Features | - | Always-on display, Infinity Display |
| PROCESSOR | Xiaomi Redmi 3S | Samsung Galaxy A8 (2018) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 430 | Samsung Exynos | |
|---|---|---|---|
| Processor Number | - | 7885 | |
| Clock Speed | 1.4 GHz | 2.2 GHz | Samsung Galaxy A8 (2018) has higher clock speed than Xiaomi Redmi 3S. |
| 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 505 | - |
| MEMORY | Xiaomi Redmi 3S | Samsung Galaxy A8 (2018) |
|---|
| RAM | 2 GB | 4 GB | Samsung Galaxy A8 (2018) has more RAM than Xiaomi Redmi 3S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Samsung Galaxy A8 (2018) has more internal memory than Xiaomi Redmi 3S. |
| User Memory | - | 22.7 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Xiaomi Redmi 3S | Samsung Galaxy A8 (2018) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | Samsung Galaxy A8 (2018) has better camera resolution than Xiaomi Redmi 3S. |
| Sensor Size | - | 1/2.8" | |
| Lens Aperture | F/2.0 | F/1.7 | Samsung Galaxy A8 (2018) has better lens aperture than Xiaomi Redmi 3S. |
| Lens Construction | 5-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 4x | |
| Special Effects | HDR | HDR, Beauty effect, Grid Line | |
| Camera Modes | Panorama, manual mode | Panorama, Pro mode, night mode, Beauty mode, HYPERLAPSE, low-light shots, Food mode | |
| Face Recognition (Face ID) | - | Face detection | Samsung Galaxy A8 (2018) has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | 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 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | Samsung Galaxy A8 (2018) has better front camera resolution than Xiaomi Redmi 3S. |
| Sensor Size (Front) | - | 1/3.1" | |
| Lens Aperture (Front) | F/2.2 | F/1.9 | Samsung Galaxy A8 (2018) has better front lens aperture than Xiaomi Redmi 3S. |
| Special Effects (Front) | - | HDR, Grid Line | |
| Camera Modes (Front) | Beautify Selfie mode | Night mode, wide selfie mode, Beauty mode, Live Focus mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 3S has face detection. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | - | Quick launch, Live stickers, Stamps, location tags |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Front) | - | F/1.9 |
| BATTERY AND CHARGING | Xiaomi Redmi 3S | Samsung Galaxy A8 (2018) |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 3000 mAh | Xiaomi Redmi 3S has larger battery capacity than Samsung Galaxy A8 (2018). |
|---|---|---|---|
| Talk Time | - | 1140 minutes | |
| 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 |
| CELLULAR | Xiaomi Redmi 3S | Samsung Galaxy A8 (2018) |
|---|
| 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 | |
| User Interface | MIUI V7 | - | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi Redmi 3S | Samsung Galaxy A8 (2018) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 900 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 5, Band 40 | 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 | |
| 4G LTE Frequency | FDD 1800+, FDD 850, TDD 2300 | 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 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac, ANT+/ANT | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | HID | - | |
| NFC | - | Yes | Samsung Galaxy A8 (2018) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 3S | Samsung Galaxy A8 (2018) |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, ASF, DivX, MPEG-2, H.264, H.263, M4V, VP8, Sorenson Spark | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 |
| FEATURES | Xiaomi Redmi 3S | Samsung Galaxy A8 (2018) |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, gravity sensor | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | Infrared remote control, Reading mode | Fast Charging, S-Voice, Samsung KNOX, Dual Messenger, Smart View, Bixby Vision, Secure Folder function, MEMS microphones |
| OTHERS | Xiaomi Redmi 3S | Samsung Galaxy A8 (2018) |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | IP68 | |
| Max Depth of Water Resistance | - | 1.5 m |
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