AGM G2 Guardian vs Samsung Galaxy S21 Ultra 5G
AGM G2 Guardian
Samsung Galaxy S21 Ultra 5G
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
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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, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71
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5G network5G band 1, 2, 3, 5, 7, 8, 28, 41, 77, 78 SA/NSA5G band SA/NSA/Sub6/mmWave
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed11.5 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, 1174 Mbps download, 226 Mbps uploadLTE-A (CA), 2000 Mbps download, 200 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2023-022021-01
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Status2023-022021-01
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Design
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BuildPolycarbonate, TPU, metalGlass front (Gorilla Glass Victus), glass back (Gorilla Glass), aluminum frame
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by)
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Height177.5 mm165.1 mm
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Width85.3 mm75.6 mm
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Thickness25.3 mm8.9 mm
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Weight405 g227 (Sub6) / 229 (mmWave) g
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Payment-Samsung Pay (Visa, MasterCard certified)
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WaterproofIP68/IP69KIP68 (1.5m and 30 mins)
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Dust proofIP68/IP69KIP68
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MIL-STD-810HYes-
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ColorsBlackBlack, Brown, Silver, Navy, Titanium
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Display
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Display typeIPS TFTDynamic AMOLED 2X
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Physical size6.58 inches6.8 inches
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Resolution1080 x 2340 pixels1440 x 3200 pixels
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Pixel density392 ppi515 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla GlassScratch resistant, Corning Gorilla Glass Victus
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Display features-120Hz, HDR10+, 1500 nits (peak), Infinity-O display, Always-On display
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DxOMark display score-91
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.7 GHz Cortex-A78Single-core 2.9 GHz Cortex-X1
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CPU(second)Triple-core 2.4 GHz Cortex-A78Triple-core 2.80 GHz Cortex-A78
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CPU(third)Quad-core 1.9 GHz Cortex-A55Quad-core 2.2 GHz Cortex-A55
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ChipsetQualcomm QCM6490Exynos 2100
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GPUAdreno 643Mali-G78 MP14
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Memory RAM8, 12 GB12, 16 GB
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Internal storage256 GB128, 256, 512 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max512 GB-
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StorageUFS 2.2UFS 3.1
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OS
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OSAndroid 11Android 11, One UI 3.1
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Main camera
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Camera typeQuadQuad
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Main camera108 MP, f/1.79108 MP, f/1.8 , (wide) , 26 mm, 1/1.33" , 0.8 µm
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20 MP10 MP, (periscope telephoto) , f/4.9 , 1/3.24" , 1.22 µm, 10x optical zoom
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2 MP10 MP, (telephoto) , f/2.4 , 70 mm, 1/3.24" , 1.22 µm, 3x optical zoom
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0.05 MP12 MP, (ultrawide) , f/2.2 , 13 mm, 1/2.55" , 1.4 µm
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Primary camera resolution12000 x 9000 pixels12000 x 9000 pixels
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Primary camera video1080p@30fps8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, panorama, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-modeAutofocus, continuous shooting, digital zoom, optical zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, laser autofocus
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DxOMark photo-128
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DxOMark zoom-76
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DxOMark video-98
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DxOMark camera score-121
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera32 MP40 MP, (wide) , f/2.2 , 80˚ , 26 mm, 1/2.8" , 0.7 µm
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Selfie camera resolution-7968 x 5480 pixels
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Selfie camera featuresFace unlockAutofocus, HDR, phase detection autofocus
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Selfie camera video1080p@30fps4K@30/60fps, 1080p@30fps
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DxOMark photo-105
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DxOMark video-93
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DxOMark camera score-100
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes, with stereo speakers
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EarpieceYesYes
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Multimedia
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RadioFM 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, 6E
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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 3.0Type-C 3.2
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USB On-The-GoYesYes
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Bluetoothv5.2v5.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFCYesYes
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GPSYes, with A-GPSYes, with 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, light, 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-IonLi-Ion
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Battery capacity7000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3.0Yes
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Wireless reverse charging-Yes
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Fast wireless chargingYes, 10WQi/PMA
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Standby time 4G400 h-
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DxOMark autonomy-48
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DxOMark charging-74
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DxOMark efficiency-53
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DxOMark battery score-57
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Cost
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Price900 USD1200 USD
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Tests and performance
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Antutu-677991 (v8)
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Geekbench(single-core)-1096 (v5.2)
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Geekbench(multi-core)-3723 (v5.2)
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SAR value
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SAR(head)-0.77 W/kg
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SAR(body)-1.02 W/kg
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SAR EU(head)-0.71 W/kg
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SAR EU(body)-1.58 W/kg
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