BLU S91 vs Nokia XR21
BLU S91
Nokia XR21
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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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, 17, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71
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5G network-5G band 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77, 78, 79 SA/NSA
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HSDPA speed42.2 Mbps45.4 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speed-LTE-A, 750 Mbps download, 211 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-062023-05
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Status2022-062023-06
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Design
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Build-Glass front (Gorilla Glass Victus), plastic back, plastic frame
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM, eSIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height164.8 mm168 mm
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Width76.3 mm78.6 mm
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Thickness8.9 mm10.6 mm
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Weight202 g231 g
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Waterproof-IP68/IP69K (1.5m and 60 mins)
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Dust proof-IP68/IP69K
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MIL-STD-810H-Yes
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ColorsBlack, GreenBlack, Green
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.5 inches6.49 inches
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Resolution720 x 1600 pixels1080 x 2400 pixels
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Pixel density270 ppi406 ppi
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Display colors1677721616777216
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Protection-2D curved glass screen, Corning Gorilla Glass Victus
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.0 GHz Cortex-A53Dual-core 2.2 GHz Kryo 660 Gold
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CPU(second)quad-core 1.5 GHz Cortex-A53Hexa-core 1.7 GHz Kryo 660 Silver
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Chipset-Qualcomm SM6375 Snapdragon 695 5G
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GPU-Adreno 619
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Memory RAM4 GB6 GB
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Internal storage128 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB512 GB
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OS
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OSAndroid 11Android 12
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 13 MP(wide) , 64 MP, f/1.8 , 1/2"
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(macro) , 0.3 MP, f/2.4(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm
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(depth) , 0.3 MP, f/2.4
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Primary camera resolution-9280 x 6920 pixels
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Primary camera video1080p@30fps4K@30fps, 1080p@30fps
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Primary camera flashLED flashdual-LED dual-tone flash
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Camera features-Autofocus, geotagging, panorama, HDR, touch focus, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, speedwarp
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Selfie camera
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Selfie camera type-Single
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Selfie camera13 MP16 MP, (wide) , f/2.4
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Selfie camera resolution-4608 x 3456 pixels
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Selfie camera features-Face unlock, HDR
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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EarpieceYesYes
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Multimedia
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RadioFM RadioFM Radio
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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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Bluetoothv5.0v5.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-aptX Adaptive
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NFCNoYes (market dependent)
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GPSYes, with A-GPSYes, with dual-band A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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QZSS-Yes
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NavIC-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 mAh4800 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-USB Power Delivery 2.0, 33W
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Cost
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Price180 USD725 USD
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Tests and performance
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Antutu-396000 (v9)
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