Samsung Galaxy M21 2021 vs ZTE nubia Red Magic 7
Samsung Galaxy M21 2021
ZTE nubia Red Magic 7
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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, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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4G networkLTE frequency band 1, 3, 5, 7, 8, 20, 38, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66
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5G network-5G band 1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78 SA/NSA
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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 speedLTE, 603 Mbps download, 102 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-072022-02
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Status2021-072022-02
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Design
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BuildGlass front, plastic back, plastic frameGlass front, glass back, aluminum frame
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height159 mm170.6 mm
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Width75.1 mm78.3 mm
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Thickness9 mm9.5 mm
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Weight192 g215 g
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Build features-Pressure sensitive zones (500Hz touch-sensing), built-in cooling fan, aviation aluminum middle frame
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ColorsBlack, BlueObsidian, Pulsar, Supernova
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Display
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Display typeSuper AMOLEDAMOLED
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Physical size6.4 inches6.8 inches
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Resolution1080 x 2400 pixels1080 x 2400 pixels
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Pixel density403 ppi387 ppi
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Display colors167772161073741824
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ProtectionScratch resistant, 2.5D curved glass screenCorning Gorilla Glass 5
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Display features420 nits (peak), Infinity U Display165Hz, 700 nits (typ)
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.3 GHz Cortex-A73Single-core 3.0 GHz Cortex-X2
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CPU(second)quad-core 1.7 GHz Cortex-A53Triple-core 2.50 GHz Cortex-A710
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CPU(third)Quad-core 1.8 GHz Cortex-A510
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ChipsetExynos 9611Qualcomm SM8450 Snapdragon 8 Gen 1
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GPUMali-G72 MP3Adreno 730
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Memory RAM4, 6 GB8, 12, 16, 18 GB
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Internal storage64, 128 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 11, One UI 3.1 CoreAndroid 12, Redmagic 5.0
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 48 MP, f/2.0 , 26 mm, 1/2.0" , 0.8 µm(wide) , 64 MP, f/1.8 , 26 mm, 1/1.97" , 0.7 µm
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(ultrawide) , 8 MP, f/2.2 , 123˚ , 1/4.0" , 1.12 µm(ultrawide) , 8 MP, f/2.0 , 120˚ , 1/4.0" , 1.12 µm, 13 mm
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(depth) , 5 MP, f/2.2(macro) , 2 MP
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Primary camera resolution8000 x 6000 pixels9248 x 6920 pixels
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Primary camera video4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS8K@30fps, 4K@30/60fps, 1080p@30/60/120/240fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocusAutofocus, continuous shooting, digital 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, macro-mode, phase detection autofocus
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera(wide) , 20 MP, f/2.2 , 26 mm(wide) , 8 MP, f/2.0 , 1/4.0" , 1.12 µm
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Selfie camera resolution-4608 x 3456 pixels
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Selfie camera featuresFace unlockFace unlock, face detection
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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
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EarpieceYesYes
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Multimedia
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RadioFM radio, RDS, recordingNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-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 3.0
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USB connector-Accessory connector
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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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Bluetooth AptX-Yes
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NFCNoYes
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GPSYes, with A-GPSYes, with dual-band A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BDSYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, 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 capacity6000 mAh4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingFast ChargingYes, 65W
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Talk time 4G49 h-
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Tests and performance
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Antutu186282 (v8)1055000 (v9)
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Geekbench(single-core)256 (v5.4)1233 (v5.2)
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Geekbench(multi-core)994 (v5.4)4192 (v5.2)
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SAR value
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SAR(head)0.47 W/kg-
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SAR EU(head)0.49 W/kg-
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SAR EU(body)1.13 W/kg-
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Cost
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Price170 USD610 USD