Xiaomi Redmi K40S vs vivo X Fold
Xiaomi Redmi K40S
vivo X Fold
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xHSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 66
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5G network5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79 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-ALTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-032022-04
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Status2022-032022-04
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Design
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BuildGlass front (Gorilla Glass 5), plastic backAluminium alloy, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Nano-SIM
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Height163.2 mm162 mm
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Width76 mm74.5 mm
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Thickness7.7 mm14.6 mm
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Height unfolded-162 mm
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Width unfolded-144.9 mm
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Thickness unfolded-6.3 mm
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Weight195 g311 g
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Splash resistantYes-
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ColorsBlack, Blue, Gray, GreenBlack, Blue
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Display
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Display typeAMOLEDFoldable LTPO AMOLED
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Physical size6.67 inches8.03 inches
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Resolution1080 x 2400 pixels1916 x 2160 pixels
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Pixel density395 ppi360 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5Scratch resistant
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Display features120Hz, HDR10+, 1300 nits (peak)120Hz, HDR10+
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Cover display-AMOLED
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Cover display physical size-6.53 inches
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Cover display resolution-1080 x 2520 pixels
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 3.2 GHz Kryo 585Single-core 3.0 GHz Cortex-X2
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CPU(second)Triple-core 2.42 GHz Kryo 585Triple-core 2.50 GHz Cortex-A710
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CPU(third)Quad-core 1.80 GHz Kryo 585Quad-core 1.8 GHz Cortex-A510
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ChipsetQualcomm SM8250-AC Snapdragon 870 5GQualcomm SM8450 Snapdragon 8 Gen 1
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GPUAdreno 650Adreno 730
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Memory RAM6, 8, 12 GB12 GB
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Internal storage128, 256 GB256, 512 GB
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Memory cardNoNo
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StorageUFS 3.1UFS 3.1
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OS
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OSAndroid 12, MIUI 13Android 12, Origin OS Ocean
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Main camera
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Camera typeTripleQuad
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Main camera(wide) , 48 MP, f/1.8 , 1/2" , 0.8 µm(wide) , 50 MP, f/1.8 , 1/1.57" , 1.0 µm
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(ultrawide) , 8 MP, 119˚(periscope telephoto) , 8 MP, f/3.4 , 125 mm, 5x optical zoom
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(macro) , 2 MP, f/2.4(telephoto) , 12 MP, f/2.0 , 47 mm, 2x optical zoom
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(ultrawide) , 48 MP, f/2.2 , 114˚ , 14 mm
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Primary camera resolution8000 x 6000 pixels8192 x 6144 pixels
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Primary camera video4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS
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Primary camera optics-Zeiss optics
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Primary camera flashdual-LED dual-tone flashdual-LED flash
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Camera featuresAutofocus, 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 autofocusAutofocus, continuous autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, laser autofocus
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera(wide) , 20 MP(wide) , 16 MP, f/2.5
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Selfie camera resolution-4608 x 3456 pixels
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Selfie camera featuresFace unlock, HDRDigital image stabilization, face detection, face unlock, HDR
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Selfie camera video1080p@30/120fps1080p@30fps
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Sound
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3.5mm jackNoNo
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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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RadioNoNo
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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 3.1
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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 LEYesYes
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Bluetooth AptX-aptX HD
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Infrared-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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QZSSYesYes
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NavICYesYes
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Features
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SensorsAccelerometer, color spectrum, 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 capacity4500 mAh4600 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3+, 67W (100% in 38 min)Yes, 66W (100% in 37 min)
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Wireless reverse charging-Yes, 10W
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Fast wireless charging-Yes, 50W
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Talk time 3G-22.6 h
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Tests and performance
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Antutu715000 (v9)1073500 (v9)
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Geekbench(single-core)983 (v5.2)1278 (v5.2)
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Geekbench(multi-core)3362 (v5.2)4189 (v5.2)
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Cost
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Price290 USD1430 USD
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