BLU S91 vs Samsung Galaxy Z Flip4
BLU S91
Samsung Galaxy Z Flip4
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPA 850, 900, 1700, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 12, 13, 17, 28, 66LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 28, 29, 34, 38, 39, 40, 41, 66
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5G network-5G band 1, 3, 20, 41, 77, 78, 79, 81 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 speed-LTE-A (6CA)
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-062022-08
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Status2022-062022-08
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Design
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Build-Plastic front (opened), glass back (Gorilla Glass Victus+), aluminum frame
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SIMDual SIM (Nano-SIM, dual stand-by)Nano-SIM, eSIM
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Height164.8 mm84.9 mm
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Width76.3 mm71.9 mm
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Thickness8.9 mm15.9-17.1 mm
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Height unfolded-165.2 mm
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Width unfolded-71.9 mm
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Thickness unfolded-6.9 mm
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Weight202 g187 g
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Payment-Samsung Pay (Visa, MasterCard certified)
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Waterproof-IPX8, 1.5m and 30 minutes
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ColorsBlack, GreenBlue, Pink Gold, Graphite, Khaki, Navy, Purple, Red, Yellow
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Display
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Display typeIPS LCDFoldable Dynamic AMOLED 2X
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Physical size6.5 inches6.7 inches
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Resolution720 x 1600 pixels1080 x 2640 pixels
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Pixel density270 ppi426 ppi
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Display colors1677721616777216
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Display features-120Hz, HDR10+, 1200 nits (peak)
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Cover display-Super AMOLED
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Cover display physical size-1.9 inches
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Cover display resolution-260 x 512 pixels
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.0 GHz Cortex-A53Single-core 3.19 GHz Cortex-X2
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CPU(second)quad-core 1.5 GHz Cortex-A53Triple-core 2.75 GHz Cortex-A710
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CPU(third)Quad-core 1.8 GHz Cortex-A510
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Chipset-Qualcomm SM8475 Snapdragon 8+ Gen 1
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GPU-Adreno 730
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Memory RAM4 GB8 GB
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Internal storage128 GB128, 256, 512 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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Storage-UFS 3.1
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OS
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OSAndroid 11Android 12, One UI 4.1.1
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 13 MP(wide) , 12 MP, f/1.8 , 83˚ , 24 mm, 1.8 µm, 10x digital zoom
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(macro) , 0.3 MP, f/2.4(ultrawide) , 12 MP, f/2.2 , 123˚ , 1.12 µm
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(depth) , 0.3 MP, f/2.4
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Primary camera resolution-4032 x 3024 pixels
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Primary camera video1080p@30fps4K@30/60fps, 1080p@60/240fps, 720p@960fps, HDR10+
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Primary camera flashLED flashLED flash
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Camera features-Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, tracking autofocus
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Selfie camera
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Selfie camera type-Single
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Selfie camera13 MP10 MP, (wide) , f/2.4 , 80˚ , 26 mm, 1.22 µm
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Selfie camera features-Autofocus, face unlock, HDR
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Selfie camera video1080p@30fps4K@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM RadioNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual Band-Yes
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USBType-C 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCNoYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, barometer, compass, fingerprint, gyroscope, 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 capacity5000 mAh3700 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge, 25W (50% in 30 min)
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Wireless reverse charging-Yes, 4.5W
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Fast wireless charging-Qi, 15W
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Cost
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Price180 USD1000 USD
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Tests and performance
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Antutu-1010000 (v9)
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Geekbench(single-core)-1277 (v5.4)
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Geekbench(multi-core)-3642 (v5.4)
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