Nokia XR21 vs Samsung Galaxy Z Flip4
Nokia XR21
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(AWS), 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, 8, 12, 13, 17, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71LTE 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 network5G band 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77, 78, 79 SA/NSA5G band 1, 3, 20, 41, 77, 78, 79, 81 SA/NSA/Sub6/mmWave
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HSDPA speed45.4 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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EV-DO speedEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload-
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LTE speedLTE-A, 750 Mbps download, 211 Mbps uploadLTE-A (6CA)
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2023-052022-08
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Status2023-062022-08
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Design
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BuildGlass front (Gorilla Glass Victus), plastic back, plastic framePlastic front (opened), glass back (Gorilla Glass Victus+), aluminum frame
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SIMSingle SIM (Nano-SIM, eSIM) or Dual SIM (Nano-SIM, dual stand-by)Nano-SIM, eSIM
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Height168 mm84.9 mm
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Width78.6 mm71.9 mm
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Thickness10.6 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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Weight231 g187 g
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Payment-Samsung Pay (Visa, MasterCard certified)
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WaterproofIP68/IP69K (1.5m and 60 mins)IPX8, 1.5m and 30 minutes
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Dust proofIP68/IP69K-
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MIL-STD-810HYes-
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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 size6.49 inches6.7 inches
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Resolution1080 x 2400 pixels1080 x 2640 pixels
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Pixel density406 ppi426 ppi
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Display colors1677721616777216
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Protection2D curved glass screen, Corning Gorilla Glass Victus-
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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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CPUDual-core 2.2 GHz Kryo 660 GoldSingle-core 3.19 GHz Cortex-X2
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CPU(second)Hexa-core 1.7 GHz Kryo 660 SilverTriple-core 2.75 GHz Cortex-A710
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CPU(third)Quad-core 1.8 GHz Cortex-A510
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ChipsetQualcomm SM6375 Snapdragon 695 5GQualcomm SM8475 Snapdragon 8+ Gen 1
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GPUAdreno 619Adreno 730
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Memory RAM6 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 max512 GB-
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Storage-UFS 3.1
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OS
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OSAndroid 12Android 12, One UI 4.1.1
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Main camera
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Camera typeDualDual
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Main camera(wide) , 64 MP, f/1.8 , 1/2"(wide) , 12 MP, f/1.8 , 83˚ , 24 mm, 1.8 µm, 10x digital zoom
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(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm(ultrawide) , 12 MP, f/2.2 , 1.12 µm, 123˚
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Primary camera resolution9280 x 6920 pixels4032 x 3024 pixels
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Primary camera video4K@30fps, 1080p@30fps4K@30/60fps, 1080p@60/240fps, 720p@960fps, HDR10+
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Primary camera flashdual-LED dual-tone flashLED flash
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Camera featuresAutofocus, geotagging, panorama, HDR, touch focus, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, speedwarpAutofocus, 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 typeSingleSingle
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Selfie camera(wide) , 16 MP, f/2.4(wide) , 10 MP, f/2.4 , 80˚ , 26 mm, 1.22 µm
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Selfie camera resolution4608 x 3456 pixels-
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Selfie camera featuresFace unlock, HDRAutofocus, 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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LoudspeakerYes, with stereo speakersYes
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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, 802.11n, 802.11n 5GHz, 802.11ac, 802.11axWi-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 BandYesYes
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USBType-C 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.1v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX Adaptive-
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NFCYes (market dependent)Yes
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GPSYes, with dual-band A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BDSYesYes
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QZSSYes-
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NavICYes-
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Features
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SensorsAccelerometer, barometer, 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 capacity4800 mAh3700 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingUSB Power Delivery 2.0, 33WQuick 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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Tests and performance
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Antutu396000 (v9)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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Cost
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Price725 USD1000 USD