Side by side comparison and review of Xiaomi MI A1 and Samsung Galaxy S9. 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 MI A1 | Samsung Galaxy S9 |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | - | SM-G960W | |
Form Factor | Touch | Touch | |
Height | 155.4 mm | 147.7 mm | Xiaomi MI A1 has greater height than Samsung Galaxy S9. |
Width | 75.8 mm | 68.7 mm | Xiaomi MI A1 has greater width than Samsung Galaxy S9. |
Depth | 7.3 mm | 8.5 mm | Xiaomi MI A1 is narrower than Xiaomi MI A1. |
Weight | 165 g | 163 g | Samsung Galaxy S9 is lighter than Xiaomi MI A1. |
Body Colour | Black | Titanium grey | Lilac purple | Midnight black | Coral blue | |
Body Material | Metal | Metal frame | |
Protection | - | Dustproof, splashproof, waterproof | |
Waterproof (Water-resistant) | - | Yes | Samsung Galaxy S9 is waterproof. |
IP rating | - | IP68 | |
SAR Value | 0.76 W/kg (body), 1.75 W/kg (head) | 1.08 W/kg (body), 0.63 W/kg (head) | |
Integrated Components | FM radio | Heart rate sensor | |
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 |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Single-SIM | |
SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
DISPLAY | Xiaomi MI A1 | Samsung Galaxy S9 |
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Display Type | LCD display | OLED display | |
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Display Technology | LTPS IPS | Quad HD+ Super AMOLED | |
Screen Size (Display Size) | 5.5" | 5.8" | Samsung Galaxy S9 has larger screen size than Xiaomi MI A1. |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2960 x 1440 pixels | Samsung Galaxy S9 has better screen resolution than Xiaomi MI A1. |
Display Format | Full HD | QHD+ | |
Pixel Density | 403 ppi | 570 ppi | Samsung Galaxy S9 has better pixel density than Xiaomi MI A1. |
Aspect Ratio | - | 18.5:9 | |
Max Brightness | 450 cd/m² | - | |
Colour Depth | - | 16.7 million colours | |
HDR | - | Yes | Samsung Galaxy S9 has HDR. |
Display Features | 2.5D curved glass | Always-on display, Edge Screen, Infinity Display | |
Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
PROCESSOR | Xiaomi MI A1 | Samsung Galaxy S9 |
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Processor Type (CPU) | Qualcomm Snapdragon 625 | Qualcomm Snapdragon 845 | |
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Processor Number | - | MSM8998 | |
Clock Speed | 2 GHz | 2.8 GHz | Samsung Galaxy S9 has higher clock speed than Xiaomi MI A1. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | - | Yes | Samsung Galaxy S9 has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 506 | Qualcomm ADRENO 630 |
MEMORY | Xiaomi MI A1 | Samsung Galaxy S9 |
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RAM | 4 GB | LPDDR4 SDRAM - 4 GB | Both phones have the same RAM size. |
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Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Samsung Galaxy S9 has more internal memory than Xiaomi MI A1. |
User Memory | - | 48.8 GB | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 400 GB |
CAMERA | Xiaomi MI A1 | Samsung Galaxy S9 |
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MAIN CAMERA |
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Number of Main Cameras | 2 | 1 | |
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Sensor Resolution | 12 Megapixel | 12 Megapixel | Both phones have the same camera resolution. |
Sensor Size | - | 1/2.55" | |
Lens Type | Wide-angle lens | - | |
Lens Aperture | F/2.2 | F/1.5 & f/2.4 | Samsung Galaxy S9 has better lens aperture than Xiaomi MI A1. |
Lens Construction | 5-element | - | |
Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Samsung Galaxy S9 has optical stabilisation. |
Focus Adjustment | Automatic | Automatic, manual | |
Optical Zoom | 2x | - | |
Digital Zoom | 10x | 8x | Xiaomi MI A1 has better digital zoom than Samsung Galaxy S9. |
Self-Timer Delay | - | Yes | |
Special Effects | HDR, Beautify 3.0 | Motion effect, HDR, Stamp, Bokeh effect, Grid Line, Stickers | |
Camera Modes | Panorama, Continuous shot, low-light shots | Panorama, Pro mode, Timer mode, HYPERLAPSE, Auto mode, low-light shots, Food mode, Super Slow-mo, AR Emoji | |
Face Recognition (Face ID) | Face recognition | Face detection | Both phones have face detection. |
White Balance | - | Custom, automatic | |
Light Source | Dual LED flash | LED flash | |
Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 2560 x 1440 (QHD) at 30 fps | |
Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), geotagging, Two-tone flash | Selective Focus, Quick Launch, Playback zoom, Tracking Focus, Motion photo, Exposure, Shutter speed, geotagging, Continuous Auto Focus (CAF), RAW image capture, VDIS (Video Digital Image Stabilisation), High CRI LED flash, Tracking AF, Stamps, location tags, Hyperlapse video support 1080p, Live focus with bokeh filters, Super Speed Dual Pixel |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 12 Megapixel | - | |
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Lens Type (2nd Camera) | Telephoto lens | - | |
Lens Aperture (2nd Camera) | F/2.6 | - |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Samsung Galaxy S9 has better front camera resolution than Xiaomi MI A1. |
Sensor Size (Front) | - | 1/3.6" | |
Sensor Type (Front) | - | CMOS | |
Lens Aperture (Front) | - | F/1.7 | |
Focus Adjustment | - | Automatic | |
Special Effects (Front) | - | HDR, Grid Line | |
Camera Modes (Front) | Beautify with 36 smart beauty profiles | Timer mode, wide selfie mode, selfie mode, AR Emoji, selfie focus | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI A1 has face detection. |
Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
Camera Features (Front) | Self-timer | Quick launch, Motion photo, Stamps, location tags, VDIS (Video Digital Image Stabilization) |
BATTERY AND CHARGING | Xiaomi MI A1 | Samsung Galaxy S9 |
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Battery Capacity (Battery Size) | 3080 mAh | 3000 mAh | Xiaomi MI A1 has larger battery capacity than Samsung Galaxy S9. |
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Wireless Charging | - | Yes | Samsung Galaxy S9 can be charged wirelessly. |
Wireless Charging Standards | - | WPC, PMA | |
Standby Time | - | 326 hours | |
Talk Time | - | 1860 minutes | |
Run Time Details | - | Talk (3G): up to 1860 min Active online usage (Wi-Fi): up to 14 hrs Active online usage (3G): up to 12 hrs Active online usage (LTE): up to 14 hrs Playback (audio (Always On Display Off)): up to 90 hrs Playback (audio (Always On Display On)): up to 51 hrs Playback (video): up to 17 hrs Standby (AOD off): up to 326 hrs Standby (AOD on): up to 82 hrs |
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Battery Technology | Lithium Ion | - |
CELLULAR | Xiaomi MI A1 | Samsung Galaxy S9 |
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Technology | WCDMA (UMTS) / GSM | TD-SCDMA / WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Google Android | Android 8.0 Oreo | |
Intelligent Assistant | Google Assistant | Bixby | |
Payment Technology | - | Samsung Pay | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | Xiaomi MI A1 | Samsung Galaxy S9 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi | |
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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 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900 | |
4G LTE Band | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, 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 25, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66 | |
4G LTE Frequency | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, 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 1900+, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3 | |
Wireless Interface | Infrared (IrDA), 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 | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | |
NFC | - | Yes | Samsung Galaxy S9 has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | Xiaomi MI A1 | Samsung Galaxy S9 |
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Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, AAC-LC, XMF, AAC +, OGG, eAAC+, MIDI, APE (Monkey's Audio), M4A, apt-X, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, OPUS, DFF, MID, AMR-WB, AMR-NB, Vorbis, DSD64, DSD128 | |
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Supported Digital Video Standards | MKV, XviD, MPEG-4, M4V | MKV, VC-1, FLV, AVC, AVI, MPEG-4, WMV, ASF, 3GP, H.264, H.263, M4V, WebM, HEVC, MP43, 3G2, WMV8, VP8, VP9, H.265, WMV7 | |
Sound Enhancements | Dirac HD Sound | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound |
FEATURES | Xiaomi MI A1 | Samsung Galaxy S9 |
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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 | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, heart rate, pressure sensor, geomagnetic sensor | |
Security Devices | Fingerprint reader | Face recognition, fingerprint reader, eye scan | |
Additional Phone Features | Noise suppression by Fortemedia | Multitasking, Face Unlock, Wi-Fi Miracast, Multi Window, MU-MIMO technology, Fast Charging, Samsung KNOX, High AOP Mic, Samsung DeX support, Bixby Vision, Intelligent Scan |
OTHERS | Xiaomi MI A1 | Samsung Galaxy S9 |
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Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB Connector (USB-C), micro-USB connector, USB-C cable, headset (tuned by AKG) | |
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Compliant Standards | - | IP68 | |
Max Depth of Water Resistance | - | 1.5 m |