Samsung Galaxy Z Fold4 vs ZTE Blade A31
Samsung Galaxy Z Fold4
ZTE Blade A31
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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, 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, 5, 7, 8, 20, 28, 38
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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 Mbps21.1 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, 301 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-082021-07
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Status2022-082021-07
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Design
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BuildGlass front (Gorilla Glass Victus+) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum framePlastic
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SIMUp to two Nano SIM and one eSIMDual SIM (Nano-SIM, dual stand-by)
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Height155.1 mm140 mm
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Width67.1 mm71 mm
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Thickness14.2-15.8 mm8.9 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 g166 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
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Display
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Display typeFoldable Dynamic AMOLED 2XIPS LCD
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Physical size7.6 inches5.45 inches
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Resolution1812 x 2176 pixels720 x 1440 pixels
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Pixel density373 ppi295 ppi
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Display colors1677721616777216
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Display features120Hz, HDR10+, 1200 nits (peak)-
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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 1.6 GHz Cortex-A55
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CPU(second)Triple-core 2.75 GHz Cortex-A710quad-core 1.2 GHz Cortex-A55
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CPU(third)Quad-core 1.8 GHz Cortex-A510
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ChipsetQualcomm SM8475 Snapdragon 8+ Gen 1Unisoc SC9863A
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GPUAdreno 730IMG8322
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Internal storage256, 512, 1024 GB32 GB
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Memory RAM12 GB2 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-128 GB
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StorageUFS 3.1-
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OS
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OSAndroid 12L, One UI 4.1.1Android 11 Go Edition
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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 µm8 MP
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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 pixels3264 x 2448 pixels
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Primary camera video4K@60fps, 1080p@60/240fps (gyro-EIS), 720p@960fps (gyro-EIS), HDR10+720p@30fps
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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 µm2 MP, f/2.8
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Selfie camera interpolated resolution-5 MP
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Selfie camera resolution-1920 x 1080 pixels
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Selfie camera video4K@30fps, 1080p@30fps, gyro-EIS480p@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 DirectYes-
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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-GoYes-
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Bluetoothv5.2v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD-
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NFCYesYes
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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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BDSYes-
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Features
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SensorsAccelerometer, barometer, compass, fingerprint, gyroscope, proximityAccelerometer
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4400 mAh3000 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-101300 (v8)
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Geekbench(single-core)1351 (v5.4)149 (v5.2)
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Geekbench(multi-core)3808 (v5.4)817 (v5.2)
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Cost
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Price1800 USD100 USD
