Samsung Galaxy Z Fold4 vs Xiaomi Redmi 9AT
Samsung Galaxy Z Fold4
Xiaomi Redmi 9AT
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DOHSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 3, 4, 5, 8, 12, 13, 17, 20, 25, 38, 39, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
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5G network5G band 1, 3, 5, 20, 41, 77, 78 SA/NSA/Sub6/mmWave-
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-A (7CA), Cat20, 2000 Mbps download, 200 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-082020-09
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Status2022-082020-09
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Design
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BuildGlass front (Gorilla Glass Victus+) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum frame-
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SIMUp to two Nano SIM and one eSIMDual SIM (Nano-SIM, dual stand-by)
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Height155.1 mm164.9 mm
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Width67.1 mm77 mm
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Thickness14.2-15.8 mm9 mm
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Height unfolded155.1 mm-
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Width unfolded130.1 mm-
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Thickness unfolded6.3 mm-
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Weight263 g194 g
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StylusYes-
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PaymentSamsung Pay (Visa, MasterCard certified)-
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WaterproofIPX8, 1.5m and 30 minutes-
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ColorsBlack, Beige, Burgundy, GraygreenBlue, Gray, Green
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Display
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Display typeFoldable Dynamic AMOLED 2XIPS LCD
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Physical size7.6 inches6.53 inches
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Resolution1812 x 2176 pixels720 x 1600 pixels
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Pixel density373 ppi269 ppi
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Display colors1677721616777216
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Display features120Hz, HDR10+, 1200 nits (peak)400 nits (typ)
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Cover displayDynamic AMOLED 2X-
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Cover display physical size6.2 inches-
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Cover display resolution904 x 2316 pixels-
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Cover display features120Hz, 120Hz, Corning Gorilla Glass Victus+-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 3.19 GHz Cortex-X2Quad-core 2.0 GHz Cortex-A53
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CPU(second)Triple-core 2.75 GHz Cortex-A710quad-core 1.5 GHz Cortex-A53
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CPU(third)Quad-core 1.8 GHz Cortex-A510
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ChipsetQualcomm SM8475 Snapdragon 8+ Gen 1MediaTek Helio G25
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GPUAdreno 730PowerVR GE8320
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Memory RAM12 GB2 GB
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Internal storage256, 512, 1024 GB32 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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StorageUFS 3.1eMMC 5.1
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OS
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OSAndroid 12L, One UI 4.1.1Android 10, MIUI 12
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Main camera
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Camera typeTripleSingle
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Main camera(wide) , 50 MP, f/1.8 , 24 mm, 1.0 µm(wide) , 13 MP, f/2.2 , 28 mm, 1.0 µm
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(telephoto) , 10 MP, f/2.4 , 67 mm, 1.0 µm, 3x optical zoom
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123˚ , (ultrawide) , 12 MP, f/2.2 , 12 mm, 1.12 µm
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Primary camera resolution8190 x 6144 pixels-
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Primary camera video4K@60fps, 1080p@60/240fps (gyro-EIS), 720p@960fps (gyro-EIS), HDR10+1080p@30/60fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocusHDR
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Cover camera10 MP, 26 mm, f/2.2 , 1.22 µm, 1/3"
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera4 MP, f/1.8 , 2.0 µm5 MP, f/2.2 , 1.12 µm, (wide)
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Selfie camera features-HDR
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Selfie camera video4K@30fps, 1080p@30fps, gyro-EIS1080p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYes, with stereo speakersYes
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EarpieceYesYes
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Multimedia
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RadioNoFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11axWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYes-
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USBType-C 3.2microUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv5.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD-
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NFCYesNo
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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BDSYesYes
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Features
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SensorsAccelerometer, barometer, compass, fingerprint, gyroscope, proximityAccelerometer, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity4400 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge, 25W (50% in 30 min)-
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Wireless reverse chargingYes, 4.5W-
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Fast wireless chargingYes, 15W-
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Tests and performance
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Antutu-102778 (v8)
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Geekbench(single-core)1351 (v5.4)-
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Geekbench(multi-core)3808 (v5.4)-
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Cost
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Price1800 USD150 USD
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SAR value
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SAR(head)-0.87 W/kg
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SAR(body)-1.01 W/kg
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SAR EU(head)-0.78 W/kg
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SAR EU(body)-1.03 W/kg