Side by side comparison and review of Xiaomi Redmi Note 4 and Samsung Galaxy A8 (2018). 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 | Xiaomi Redmi Note 4 | Samsung Galaxy A8 (2018) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A530F | |
| Form Factor | Touch | Touch | |
| Height | 151 mm | 149.2 mm | Xiaomi Redmi Note 4 has greater height than Samsung Galaxy A8 (2018). |
| Width | 76 mm | 70.6 mm | Xiaomi Redmi Note 4 has greater width than Samsung Galaxy A8 (2018). |
| Depth | 8.38 mm | 8.4 mm | Xiaomi Redmi Note 4 is narrower than Xiaomi Redmi Note 4. |
| Weight | 175 g | 172 g | Samsung Galaxy A8 (2018) is lighter than Xiaomi Redmi Note 4. |
| Body Colour | Grey | Silver | 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 | - | 1.25 W/kg (body), 0.241 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack |
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 |
| DISPLAY | Xiaomi Redmi Note 4 | Samsung Galaxy A8 (2018) |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 5.6" | Samsung Galaxy A8 (2018) has larger screen size than Xiaomi Redmi Note 4. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2220 x 1080 pixels | Samsung Galaxy A8 (2018) has better screen resolution than Xiaomi Redmi Note 4. |
| Display Format | Full HD | - | |
| Pixel Density | 401 ppi | 440 ppi | Samsung Galaxy A8 (2018) has better pixel density than Xiaomi Redmi Note 4. |
| Aspect Ratio | - | 18.5:9 | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 1000:1 | - | |
| Display Features | Night Display | Always-on display, Infinity Display |
| PROCESSOR | Xiaomi Redmi Note 4 | Samsung Galaxy A8 (2018) |
|---|
| Processor Type (CPU) | MediaTek Helio X20 | Samsung Exynos | |
|---|---|---|---|
| Processor Number | - | 7885 | |
| Clock Speed | 2.1 GHz | 2.2 GHz | Samsung Galaxy A8 (2018) has higher clock speed than Xiaomi Redmi Note 4. |
| Processor Core Qty | 10-core | 8-core | Xiaomi Redmi Note 4 has higher processor core quantity than Samsung Galaxy A8 (2018). |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Mali T880 MP4 | - |
| MEMORY | Xiaomi Redmi Note 4 | Samsung Galaxy A8 (2018) |
|---|
| RAM | 2 GB | 4 GB | Samsung Galaxy A8 (2018) has more RAM than Xiaomi Redmi Note 4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Samsung Galaxy A8 (2018) has more internal memory than Xiaomi Redmi Note 4. |
| 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 Note 4 | 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 Note 4. |
| Sensor Size | - | 1/2.8" | |
| Lens Aperture | F/2.0 | F/1.7 | Samsung Galaxy A8 (2018) has better lens aperture than Xiaomi Redmi Note 4. |
| Lens Construction | 5-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 4x | |
| Special Effects | - | HDR, Beauty effect, Grid Line | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Burst mode, Panorama | Panorama, Pro mode, night mode, Beauty mode, HYPERLAPSE, low-light shots, Food mode | |
| Face Recognition (Face ID) | Face recognition | Face detection | Both phones have face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p), 1280 x 720 (720p) | 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 Note 4. |
| Sensor Size (Front) | - | 1/3.1" | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/1.9 | Samsung Galaxy A8 (2018) has better front lens aperture than Xiaomi Redmi Note 4. |
| Special Effects (Front) | Real-time face beautification | HDR, Grid Line | |
| Camera Modes (Front) | - | Night mode, wide selfie mode, Beauty mode, Live Focus mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 4 has face detection. |
| 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 Note 4 | Samsung Galaxy A8 (2018) |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 3000 mAh | Xiaomi Redmi Note 4 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 Note 4 | Samsung Galaxy A8 (2018) |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | Android 7.1.1 Nougat | |
| User Interface | MIUI 8 | - | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi Redmi Note 4 | Samsung Galaxy A8 (2018) |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | 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 3, Band 5, Band 7, Band 8, Band 38, Band 39, Band 40, Band 41 | 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 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | 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 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac, ANT+/ANT | |
| Bluetooth | Bluetooth 4.2 | 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 Note 4 | Samsung Galaxy A8 (2018) |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD | 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, H.264, M4V, H.265 | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 |
| FEATURES | Xiaomi Redmi Note 4 | Samsung Galaxy A8 (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, gyro sensor, hall sensor | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Infrared remote control | Fast Charging, S-Voice, Samsung KNOX, Dual Messenger, Smart View, Bixby Vision, Secure Folder function, MEMS microphones |
| OTHERS | Xiaomi Redmi Note 4 | Samsung Galaxy A8 (2018) |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | IP68 | |
| Max Depth of Water Resistance | - | 1.5 m |
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