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Samsung Star Duos (GT-B7722) vs Xiaomi Mi 9 (128GB/6GB)

Side by side comparison between Samsung Star Duos vs Xiaomi Mi 9 phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi Mi 9 X Samsung Star Duos (GT-B7722) 04Points
3.2"
TFT

240x400

5
MP
N/A
1200
mAh

(Removable)

vs
33Points Xiaomi Mi 9 (128GB/6GB) Compare Samsung Star Duos X
6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

3300
mAh

(Non removable)

What's the better phone? Xiaomi Mi 9 (128GB/6GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Star Duos (GT-B7722)} 4 Advantages Samsung Star Duos (GT-B7722) vs Mi 9 (128GB/6GB)} 33 Advantages Xiaomi Mi 9 (128GB/6GB)
+Until 16GB microSD, microSDHCAdvantage
More external storage for files using memory cards
vsNot supported
+112 grams (3.92 ounces)54%
Lighter
vs173 grams (6.06 ounces)
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
vsNot supported
270MBvs+128GB (109GB available)412 times
More internal storage for applications and files
14.3 millimeters (0.56 inches)vs+7.61 millimeters (0.3 inches)88%
Thinner
TFT LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
260 thousandvs+16 million61 times
More colors on the screen is better quality images and videos
240x400 pixelsvs+1080x2340 pixels25 times
Higher resolution screen
146 PPIvs+403 PPI176%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.2"vs+6.39"100%
Larger screen
(back) 5MPvs+(triple camera) 48MP + 16MP + 12MP14 times
Higher resolution main camera
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
Not supportedvs+(front) 20MPAdvantage
A front-camera is best for taking selfies
QVGA (320x240)vs+4K UHD (3840x2160)107 times
More image quality for recording videos with the primary camera
10 appsvs+3500000 apps (Google Play Store)349999 times
More apps available to download and use
3G HSDPAvs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(3G HSDPA) 3.6 Mbpsvs+(4G LTE-A) 1024 Mbps283 times
Faster for surfing the internet and download files
Resistivevs+CapacitiveAdvantage
Better touchscreen. The capacitive screen is much more sensitive.
Singlevs+MultitouchAdvantage
Better touch type. Multitouch allows to use more fingers at the same time.
Not supportedvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (under display)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+Proximity sensorAdvantage
Sensors help you use the device
1200 mAhvs+3300 mAh175%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Video callingAdvantage
The video calling allows to make calls with voice and video
via Micro-USBvs+Type-C jack with 3.5mm jack adapterAdvantage
Best output for headset
Not supportedvs+A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSAdvantage
It's harder to lose yourself in the city with GPS on your device
802.11 b/g [wifi3]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
2.1 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
HTML, XHTMLvs+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet
Not supportedvs+Gorilla Glass 6Advantage
Protection against scratches on the screen lets you carry your phone with your keys

6 Common items in both devices
Autofocus / LDAF/PDAF: laser/phase detection autofocus
Accelerometer
Hands-free calling
Vibrating alert
2 slots (Dual-SIM)
MicroUSB 2.0 / USB 2.0 Type-C, USB OTG On-The-Go
+ specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
Change model 
ModelStar Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
Other model namesSamsung GT-B7722/H, Samsung B7722i Duos小米9, Xiaomi Mi9 (6GB RAM), M1902F1A, M1902F1G, M1902F1T
Country or region availablefeature not registeredChina(Global, International)
China, (Global, International)
BrandSamsungXiaomi
Release date6/1/20103/1/2019
Depth14.3 millimeters (0.56 inches)7.61 millimeters (0.3 inches)
Size (width x height)55.5 x 113.5 millimeters (2.19 x 4.47 in)74.67 x 157.5 millimeters (2.94 x 6.2 in)
Weight112 grams (3.92 ounces)173 grams (6.06 ounces)
Build, materialsfeature not registeredAluminum frame, glass front/back
Protection against water and othersNot supportedNot supported

📲 Display

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
Display typeTFT LCDSuper AMOLED
Screen size3.2" inches6.39" inches
Screen-to-body ratio~46.3% (screen-to-body ratio)~85.2% (screen-to-body ratio)
Display resolution240x400 pixels1080x2340 pixels
TouchscreenResistive Single touch 1-pointCapacitive Multitouch
Pixel density (dot pitch)146 PPI403 PPI
Colors260 thousand16 million
Scratch-resistant glassNot supportedGorilla Glass 6
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
System versionProprietary OSAndroid 9.0 Pie
Firmware updatefeature not registeredAndroid 10
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
Chipset32bit64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)
CPUSingle-core, 1 processor:
Single-core
Octa-core, 3 processors:
1x 2.84GHz Kryo 485 (Single-core)
3x 2.42GHz Kryo 485 (Triple-core)
4x 1.78GHz Kryo 485 (Quad-core)
GPU graphical controllerfeature not registeredQualcomm Adreno 640 (585MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
RAM memoryfeature not registered6GB LPDDR4X
Internal storage270MB128GB (109GB available)
UFS 2.1
External storageUntil 16GB microSD, microSDHC
(dedicated slot)
Not supported

📶 Mobile networks

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
Standard mini-SIM (2FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload3.6 Mbps1024/150 Mbps
Network technology2G, 3G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkUMTS 2100CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat16/13
VoLTE
Global version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 28)
TD-LTE (Bands 38, 39, 40)
China version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17)
TD-LTE (Bands 34, 38, 39, 40, 41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPAGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 900/1800GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
Back camera (main camera)5 megapixels(triple camera)
48 megapixels
16MP ultrawide f/2.213mm1/3.0"1.0µmPDAF
12MP telephoto f/2.254mm1/3.6"1.0µmPDAF2x-optical-zoom
Main camera resolution2560x1920 pixels8000x6000 pixels
Video recording (primary)QVGA (320x240) 30 fps4K UHD (3840x2160) 60 fps
FlashLED flashDual-LED flash
Focal aperturefeature not registeredf/1.8 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/2" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusAutofocusLDAF/PDAF: laser/phase detection autofocus
Touch focusfeature not registeredSupported
Image stabilizationfeature not registeredEIS: Digital stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionfeature not registeredFace detection, Smile detection
BSI sensorfeature not registeredNot supported
HDRfeature not registeredHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
Front camera (secondary)Not supported20 megapixels
Front camera resolutionNot supported5184x3840 pixels
Video recording (secondary)Not supportedFull HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registered0.9µm pixel

🔉 Sound and multimedia

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
LoudspeakerSupportedSupported
Active noise cancellationfeature not registered2 microphones or more
RadioFM (RDS)Not supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio outputvia Micro-USBType-C jack with 3.5mm jack adapter
TV outputNot supportedNot supported
Bluetooth2.1 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g [wifi3] (2.4GHz)802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNAfeature not registeredSupported
GPSNot supportedA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFCNot supportedSupported
Infrared portfeature not registeredSupported

🧭 Sensors

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
SensorsAccelerometerAccelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity1200 mAh3300 mAh
Charger, wattsWired charging27W Wired fast charging
Inductive / wireless chargingfeature not registeredQi wireless charging
Talk time autonomy5.6 hoursfeature not registered
Standby330 hours (13.8 days)feature not registered

➕ Other features

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
Call controlVoice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS, MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTMLHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black
• SHP OS
• Dolphin 1.0 browser
• 3D Sound Technology
• Java framework
• Colors: Piano Black, Lavender Violet, Ocean Blue
• MIUI 10
• HDR10/DCI-P3 display
• Sapphire glass camera cover
• Quick Charge 4+
• Fast wireless charging 20W

☢️ Radiation rate

Samsung Star Duos (GT-B7722)Xiaomi Mi 9 (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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