Samsung Galaxy S9 vs Xiaomi Mi A3 Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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Samsung Galaxy S9 | Xiaomi Mi A3 |
Released
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Mar 16, 2018
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Released
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Jul 24, 2019
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5.8-inch · 2960x1440px
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6.1-inch · 1560x720px
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Single camera
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Triple camera
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4GB · 64GB
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4GB · 128GB
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3000 mAh
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4030 mAh
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Check prices |
Availability
Officially announced | |
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Feb 25, 2018 | Jul 17, 2019 |
Prices (MSRP) | |
$720 |
Design
Dimensions | |
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5.81 x 2.70 x 0.33 inches 147.7 x 68.7 x 8.5 mm |
6.04 x 2.83 x 0.33 inches 153.48 x 71.85 x 8.475 mm |
Weight | |
5.75 oz / 163.0 g | 6.13 oz / 173.8 g |
Materials | |
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum |
Back: Glass (Corning Gorilla Glass 5) Frame: Plastic |
Resistance | |
Water, Dust; IP68 | |
Biometrics | |
Iris scanner, 2D Face unlock, Fingerprint (touch) | 2D Face unlock, Optical in-screen fingerprint |
Features | |
Notification light | |
Keys | |
Left: Volume control, Other; Right: Lock/Unlock key | Back: Volume control, Lock/Unlock key |
Colors | |
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue | Gray, Blue, White |
Display
Size | |
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5.8-inch, 84.36% screen-to-body | 6.1-inch, 82.56% screen-to-body |
Type | |
Super AMOLED, HDR | Super AMOLED |
Resolution | |
2960x1440px, 18.5:9 ratio, 568 PPI | 1560x720px, 19.5:9 ratio, 282 PPI |
Protection | |
Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
PhoneArena Display Test
Bright Max (20% APL) | |
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Untested | Untested |
Bright Min | |
1 (Excellent) | Untested |
Learn more on our
PhoneArena Display Test Results page.
Hardware
System chip | |
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Snapdragon 845 SDM845 (10 nm) | Snapdragon 665 (11 nm) |
Processor | |
Octa-core 2800 MHz Kryo 385 |
Octa-core 2000 MHz Kryo 260 |
GPU | |
Adreno 630 | Adreno 610 |
Memory | |
4GB (LPDDR4)/64GB 4GB/128GB 4GB/256GB |
4GB (LPDDR4)/128GB 4GB/64GB |
Storage expansion | |
microSDXC up to 400 GB | microSDXC up to 256 GB |
OS | |
Android (10, 9.0 Pie, 8.0 Oreo) | Android (11, 10, 9.0 Pie) |
Battery
Type | |
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3000 mAh, Li - Ion | 4030 mAh |
Charging | |
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging Qi and Powermat wireless charging |
Qualcomm Quick Charge 3.0 |
Camera
Rear | |
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Single camera | Triple camera |
Main camera | |
12 MP (OIS, PDAF) Aperture size: F1.5/F2.4 Sensor size: 1/2.55" Pixel size: 1.4 μm |
48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2.3" Pixel size: 0.8 μm |
Second camera | |
8 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm |
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Third camera | |
2 MP (Depth information) Aperture size: F2.4 |
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Flash | |
LED | LED |
Video recording | |
4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing | 4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) EIS, Video calling, Video sharing |
Front | |
8 MP (Autofocus, HDR) Video capture: QHD (30 fps) |
32 MP Video capture: 1080p |
Connectivity & Features
Bluetooth | |
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5.0 | 5.0 |
WLAN | |
a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac | a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac |
USB | |
Type-C, USB 3.1 | Type-C |
Sensors | |
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor |
Location | |
GPS, A-GPS, Glonass, Galileo, BeiDou | GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning |
Other | |
NFC, ANT+ | Infrared, VoIP, Tethering, Computer sync, OTA sync |
Multimedia
Headphones | |
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3.5mm jack | 3.5mm jack |
Speakers | |
Earpiece, Multiple speakers | Earpiece, Loudspeaker |
Features | |
32-Bit DAC, aptX-HD | Album art cover, Background playback |
Screen mirroring | |
Wireless screen share | Wireless screen share |
Radio | |
FM | FM |
Additional microphone(s) | |
Noise cancellation | Noise cancellation |
Cellular
4G (FDD) Bands | |
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1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71 | 1, 2, 3, 4, 5, 7, 8, 20, 28 |
4G (TDD) Bands | |
38, 39, 40, 41, 46 | 38, 40 |
3G Bands | |
5, 8, 4, 2, 1 | 5, 8, 4, 2, 1 |
Data Speed | |
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA | LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s |
Dual SIM | |
Yes | |
SIM type | |
Nano SIM | Nano SIM |
Regulatory Approval
FCC approval | |
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Date approved: Jan 11, 2018 FCC ID value: A3LSMG960U | |
Measured SAR | |
Head: 0.35 W/kg Body: 0.96 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.95 W/kg |
Alternative variants
International version
System chip | Samsung Exynos 9 9810 (10 nm) |
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Processor |
Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55 |
GPU | Mali-G72 MP18 |
FCC approval |
Date approved: Dec 27, 2017 FCC ID value: A3LSMG960F |
Measured SAR |
Head: 0.26 W/kg Body: 1.00 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.04 W/kg |
with 64 GB storage
Memory | 64GB |
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with Dual SIM
System chip | Samsung Exynos 9 9810 (10 nm) |
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Processor |
Octa-core 2900 MHz Exynos M3 and ARM Cortex-A55 |
GPU | Mali-G72 MP18 |
Dual SIM | Yes |
with 256 GB storage
Memory | 256GB |
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Prices (MSRP) | $820 |
with 128 GB storage
Memory | 128GB |
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Prices (MSRP) | $770 |
Discover more
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