Asus Zenfone 8 Flip vs Nokia XR21
Asus Zenfone 8 Flip
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 800, 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42LTE 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 network5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78, 77, 78 SA/NSA5G 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 speedLTE-A (6CA), Cat20, 2000 Mbps download, 150 Mbps uploadLTE-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 announced2021-052023-05
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Status2021-052023-06
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Design
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BuildGlass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frameGlass 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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Height165 mm168 mm
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Width77.3 mm78.6 mm
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Thickness9.6 mm10.6 mm
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Weight230 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, SilverBlack, Green
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Display
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Display typeSuper AMOLEDIPS LCD
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Physical size6.67 inches6.49 inches
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Resolution1080 x 2400 pixels1080 x 2400 pixels
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Pixel density395 ppi406 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 62D curved glass screen, Corning Gorilla Glass Victus
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Display featuresAlways-on display, 90Hz, HDR10+, 700 nits (HBM), 1000 nits (peak)-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.84 GHz Kryo 680Dual-core 2.2 GHz Kryo 660 Gold
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CPU(second)Triple-core 2.42 GHz Kryo 680Hexa-core 1.7 GHz Kryo 660 Silver
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CPU(third)Quad-core 1.8 GHz Kryo 680
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ChipsetQualcomm SM8350 Snapdragon 888 5GQualcomm SM6375 Snapdragon 695 5G
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GPUAdreno 660Adreno 619
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Memory RAM8 GB6 GB
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Internal storage128, 256 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max2 TB512 GB
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StorageUFS 3.1-
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OS
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OSAndroid 11, ZenUI 8Android 12
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 64 MP, f/1.8 , 78˚ , 26 mm, 1/1.73" , 0.8 µm(wide) , 64 MP, f/1.8 , 1/2"
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(telephoto) , 8 MP, f/2.4 , 80 mm, 3x optical zoom , 12x digital zoom(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm
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(ultrawide) , 12 MP, f/2.2 , 14 mm, 1/2.55" , 1.4 µm
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Primary camera resolution9280 x 6920 pixels9280 x 6920 pixels
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Primary camera video8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR4K@30fps, 1080p@30fps
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Primary camera flashdual-LED flashdual-LED dual-tone flash
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Camera featuresAutofocus, 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, macro-mode, phase detection autofocus, laser autofocus, RAWAutofocus, 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 typeTriple (motorized flip primary camera)Single
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Selfie camera(wide) , 16 MP, 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 video8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR1080p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYes, with stereo speakersYes, with stereo speakers
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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 802.11a, 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-Go-Yes
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Bluetoothv5.2v5.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD, aptX AdaptiveaptX Adaptive
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NFCYesYes (market dependent)
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GPSYes, with dual-band A-GPSYes, with dual-band A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BDSYes (tri-band)Yes
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QZSSYesYes
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NavICYesYes
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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 chargingQuick Charge 4.0USB Power Delivery 2.0, 33W
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Tests and performance
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Antutu745787 (v9)396000 (v9)
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Geekbench(single-core)1126 (v5.2)-
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Geekbench(multi-core)3687 (v5.2)-
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Cost
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Price960 USD725 USD