Xiaomi MI 4i vs. Samsung Galaxy A8 (2018)

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 4i and Samsung Galaxy A8 (2018). Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Xiaomi MI 4i vs. Samsung Galaxy A8 (2018) Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 4i Samsung Galaxy A8 (2018)
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A530F
Form Factor Touch Touch
Height 138.1 mm 149.2 mm Samsung Galaxy A8 (2018) has greater height than Xiaomi MI 4i.
Width 69.6 mm 70.6 mm Samsung Galaxy A8 (2018) has greater width than Xiaomi MI 4i.
Depth 7.8 mm 8.4 mm Xiaomi MI 4i is narrower than Xiaomi MI 4i.
Weight 130 g 172 g Xiaomi MI 4i is lighter than Xiaomi MI 4i.
Body Colour Black | Dark grey | White Orchid grey | Gold | Black
Protection - Dustproof, waterproof
Waterproof (Water-resistant) - Yes Samsung Galaxy A8 (2018) is waterproof.
IP rating - IP68
SAR Value 1.29 W/kg 1.25 W/kg (body), 0.241 W/kg (head)
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty Dual-SIM Single-SIM
DISPLAY Xiaomi MI 4i Samsung Galaxy A8 (2018)
Display Type LCD display OLED display
Display Technology IPS Super AMOLED
Screen Size (Display Size) 5" 5.6" Samsung Galaxy A8 (2018) has larger screen size than Xiaomi MI 4i.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2220 x 1080 pixels Samsung Galaxy A8 (2018) has better screen resolution than Xiaomi MI 4i.
Display Format Full HD -
Pixel Density 441 ppi 440 ppi Xiaomi MI 4i has better pixel density than Samsung Galaxy A8 (2018).
Aspect Ratio - 18.5:9
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features - Always-on display, Infinity Display
Display Protection (Screen Protector) Corning Concore Glass -
PROCESSOR Xiaomi MI 4i Samsung Galaxy A8 (2018)
Processor Type (CPU) Qualcomm Snapdragon 615 Samsung Exynos
Processor Number - 7885
Clock Speed 1.7 GHz 2.2 GHz Samsung Galaxy A8 (2018) has higher clock speed than Xiaomi MI 4i.
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 405 -
MEMORY Xiaomi MI 4i Samsung Galaxy A8 (2018)
RAM 2 GB 4 GB Samsung Galaxy A8 (2018) has more RAM than Xiaomi MI 4i.
Internal Memory Size (Storage Capacity) 16 GB 32 GB Samsung Galaxy A8 (2018) has more internal memory than Xiaomi MI 4i.
User Memory - 22.7 GB
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 256 GB
CAMERA Xiaomi MI 4i 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 MI 4i.
Sensor Size - 1/2.8"
Lens Aperture F/2.0 F/1.7 Samsung Galaxy A8 (2018) has better lens aperture than Xiaomi MI 4i.
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 Panorama, manual mode Panorama, Pro mode, night mode, Beauty mode, HYPERLAPSE, low-light shots, Food mode
Face Recognition (Face ID) Face detection, smile detection Face detection Both phones have face detection.
Light Source Dual LED flash 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) - 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 MI 4i.
Sensor Size (Front) - 1/3.1"
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.8 F/1.9 Xiaomi MI 4i has better front lens aperture than Xiaomi MI 4i.
Lens Element Qty (Front) 5-element -
Special Effects (Front) - HDR, Grid Line
Camera Modes (Front) - Night mode, wide selfie mode, Beauty mode, Live Focus mode
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 MI 4i Samsung Galaxy A8 (2018)
Battery Capacity (Battery Size) 3120 mAh 3000 mAh Xiaomi MI 4i has larger battery capacity than Samsung Galaxy A8 (2018).
Talk Time 2100 minutes 1140 minutes Xiaomi MI 4i has longer battery life when making calls than Samsung Galaxy A8 (2018).
Run Time Details Talk (WCDMA): up to 2100 min 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
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI 4i Samsung Galaxy A8 (2018)
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 5.0.2 (Lollipop) Android 7.1.1 Nougat
User Interface MIUI V6 -
Intelligent Assistant - Bixby
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi MI 4i Samsung Galaxy A8 (2018)
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 3, Band 7, 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 1800+, FDD 2600, 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 4.1 Bluetooth 5.0 LE
Bluetooth Profiles A2DP, HID -
NFC - Yes Samsung Galaxy A8 (2018) has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI 4i Samsung Galaxy A8 (2018)
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards XviD, MPEG-4, DivX, H.264 MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2
FEATURES Xiaomi MI 4i 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, digital compass, gyro sensor, hall sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor
Security Devices - Face recognition, fingerprint reader
Additional Phone Features MIMO technology, Active noise-cancellation Fast Charging, S-Voice, Samsung KNOX, Dual Messenger, Smart View, Bixby Vision, Secure Folder function, MEMS microphones
OTHERS Xiaomi MI 4i 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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