Realme C21Y vs Xiaomi Mix Fold 2
Realme C21Y
Xiaomi Mix Fold 2
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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, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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4G networkLTE frequency band 1, 3, 5, 8, 38, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
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5G network-5G band 1, 3, 5, 8, 20, 28, 38, 40, 41, 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, 150 Mbps download, 51 Mbps uploadLTE-A (CA)
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2021-072022-08
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Oficially announced2021-062022-08
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Design
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BuildGlass front, plastic back, plastic frameGlass, aluminium alloy
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height164.5 mm161.1 mm
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Width76 mm73.9 mm
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Thickness9.1 mm11.2 mm
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Height unfolded-161.1 mm
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Width unfolded-144.7 mm
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Thickness unfolded-5.4 mm
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Weight200 g262 g
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ColorsBlack, BlueBlack, Gold
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Display
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Display typeIPS LCDFoldable LTPO2 OLED
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Physical size6.5 inches8.02 inches
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Resolution720 x 1600 pixels1914 x 2160 pixels
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Pixel density270 ppi360 ppi
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Display colors167772161073741824
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Protection-Schott UTG glass, Corning Gorilla Glass Victus
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Display features-120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1300 nits (peak)
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Cover display-AMOLED
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Cover display physical size-6.56 inches
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Cover display resolution-1080 x 2520 pixels
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Cover display features-120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1300 nits (peak)
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 1.8 GHz Cortex-A75Single-core 3.19 GHz Cortex-X2
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CPU(second)Hexa-core 1.8 GHz Cortex-A55Triple-core 2.75 GHz Cortex-A710
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CPU(third)Quad-core 1.80 GHz Cortex-A510
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ChipsetUnisoc T610Qualcomm SM8475 Snapdragon 8+ Gen 1
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GPUMali-G52Adreno 730
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Memory RAM4 GB12 GB
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Internal storage64 GB256, 512, 1024 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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StorageeMMC 5.1UFS 3.1
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OS
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OSAndroid 10, Realme UIAndroid 12, MIUI Fold 13
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Main camera
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Camera typeDualTriple
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Main camera(wide) , 13 MP, f/2.2 , 26 mm, 1/3.06" , 1.12 µm(wide) , 50 MP, f/1.8 , 1/1.56" , 1.0 µm
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(macro) , 2 MP, f/2.4(telephoto) , 8 MP, f/2.6 , 45 mm, 2x optical zoom
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(depth) , 2 MP, f/2.4(ultrawide) , 13 MP, f/2.4 , 123 , 15 mm, 1.12 µm
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Primary camera resolution-8190 x 6120 pixels
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Primary camera video1080p@30fps8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
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Primary camera flashLED flashdual LED flash
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Camera featuresAutofocus, 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 autofocus, 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, Dolby Vision, Leica Native Dual Quality, super night 2.0
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera(wide) , 5 MP, f/2.2 , 1/5.0" , 1.12 µm(wide) , 20 MP, f/2.4 , 1/3.4" , 0.8 µm, 27 mm
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Selfie camera resolution-5184 x 3880 pixels
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Selfie camera features-Face unlock, HDR, Dolby Vision
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Selfie camera video1080p@30fps1080p@30/60fps, 720p@120fps
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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 RadioNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-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 Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C
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USB On-The-GoYes-
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Bluetoothv5.0v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Infrared-Yes
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NFCNoYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEO-Yes
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BDSYesYes
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QZSS-Yes
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NavIC-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, proximityAccelerometer, barometer, compass, color spectrum, 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 mAh4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesQuick Charge 4+, 67W (100% in 40 min)
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Reverse chargingYes-
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Tests and performance
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Antutu196316 (v9)1150000 (v9)
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Geekbench(single-core)378 (v5.2)1279 (v5.2)
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Geekbench(multi-core)1298 (v5.2)4299 (v5.2)
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Cost
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Price160 USD1650 USD