Samsung Galaxy M51 vs Samsung Galaxy Z Fold4
Samsung Galaxy M51
Samsung Galaxy Z Fold4
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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, 17, 20, 26, 28, 38, 40, 41, 66LTE frequency band 1, 3, 4, 5, 8, 12, 13, 17, 20, 25, 38, 39, 40, 41
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5G network-5G band 1, 3, 5, 20, 41, 77, 78 SA/NSA/Sub6/mmWave
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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-A, (2CA) Cat6, 400 Mbps download, 50 Mbps uploadLTE-A (7CA), Cat20, 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 announced2020-082022-08
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Status2020-092022-08
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Design
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BuildGlass front (Gorilla Glass 3), plastic back, plastic frameGlass front (Gorilla Glass Victus+) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum frame
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SIMDual SIM (Nano-SIM, dual stand-by)Up to two Nano SIM and one eSIM
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Height163.9 mm155.1 mm
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Width76.3 mm67.1 mm
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Thickness9.5 mm14.2-15.8 mm
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Height unfolded-155.1 mm
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Width unfolded-130.1 mm
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Thickness unfolded-6.3 mm
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Weight213 g263 g
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Stylus-Yes
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Payment-Samsung Pay (Visa, MasterCard certified)
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Waterproof-IPX8, 1.5m and 30 minutes
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ColorsBlack, BlueBlack, Beige, Burgundy, Graygreen
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Display
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Display typeSuper AMOLED PlusFoldable Dynamic AMOLED 2X
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Physical size6.7 inches7.6 inches
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Resolution1080 x 2400 pixels1812 x 2176 pixels
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Pixel density393 ppi373 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 3-
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Display features-120Hz, HDR10+, 1200 nits (peak)
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Cover display-Dynamic AMOLED 2X
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Cover display physical size-6.2 inches
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Cover display resolution-904 x 2316 pixels
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Cover display features-120Hz, 120Hz, Corning Gorilla Glass Victus+
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.2 GHz Kryo 470 GoldSingle-core 3.19 GHz Cortex-X2
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CPU(second)Hexa-core 1.8 GHz Kryo 470 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 SDM730 Snapdragon 730GQualcomm SM8475 Snapdragon 8+ Gen 1
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GPUAdreno 618Adreno 730
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Internal storage128 GB256, 512, 1024 GB
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Memory RAM6, 8 GB12 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max512 GB-
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StorageUFS 2.1UFS 3.1
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OS
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OSAndroid 10, One UI 2.5Android 12L, One UI 4.1.1
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Main camera
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Camera typeQuadTriple
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Main camera(wide) , 64 MP, f/1.8 , 26 mm, 1/1.73" , 0.8 µm(wide) , 50 MP, f/1.8 , 24 mm, 1.0 µm
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(ultrawide) , 12 MP, f/2.2 , 123˚ , 1.12 µm(telephoto) , 10 MP, f/2.4 , 1.0 µm, 67 mm, 3x optical zoom
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(macro) , 5 MP, f/2.4(ultrawide) , 12 MP, f/2.2 , 123˚ , 12 mm, 1.12 µm
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(depth) , 5 MP, f/2.4 , 1.12 µm
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Primary camera resolution9280 x 6944 pixels8190 x 6144 pixels
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Primary camera video4K@30fps, 1080p@30fps4K@60fps, 1080p@60/240fps (gyro-EIS), 720p@960fps (gyro-EIS), HDR10+
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, 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, optical 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, phase detection autofocus
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Cover camera10 MP, 26 mm, f/2.2 , 1.22 µm, 1/3"
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Selfie camera
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Selfie camera type-Single
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Selfie camera(wide) , 32 MP, f/2.0 , 26 mm, 1/2.8" , 0.8 µm4 MP, f/1.8 , 2.0 µm
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Selfie camera resolution6560 x 4928 pixels-
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Selfie camera video4K@30fps, 1080p@30fps4K@30fps, 1080p@30fps, gyro-EIS
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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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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 3.2
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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-aptX HD
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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, 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 capacity7000 mAh4400 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes (100% in 115 min)Quick Charge, 25W (50% in 30 min)
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Reverse chargingYes-
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Wireless reverse charging-Yes, 4.5W
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Fast wireless charging-Yes, 15W
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DxOMark autonomy96-
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DxOMark charging61-
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DxOMark efficiency87-
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DxOMark battery score88-
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Tests and performance
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Antutu275000 (v8)-
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Geekbench(single-core)1592 (v5.2)1351 (v5.4)
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Geekbench(multi-core)4211 (v5.2)3808 (v5.4)
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SAR value
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SAR(head)1.38 W/kg-
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SAR EU(head)0.61 W/kg-
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SAR EU(body)1.45 W/kg-
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Cost
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Price440 USD1800 USD
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Multimedia
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Radio-No