Xiaomi Mix Fold 2 vs Xiaomi Redmi K40S
Xiaomi Mix Fold 2
Xiaomi Redmi K40S
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DOHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42LTE frequency band 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
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5G network5G band 1, 3, 5, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA5G band 1, 3, 5, 8, 28, 38, 40, 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-A (CA)LTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-082022-03
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Status2022-082022-03
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Design
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BuildGlass, aluminium alloyGlass front (Gorilla Glass 5), plastic back
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height161.1 mm163.2 mm
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Width73.9 mm76 mm
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Thickness11.2 mm7.7 mm
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Height unfolded161.1 mm-
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Width unfolded144.7 mm-
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Thickness unfolded5.4 mm-
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Weight262 g195 g
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Splash resistant-Yes
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ColorsBlack, GoldBlack, Blue, Gray, Green
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Display
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Display typeFoldable LTPO2 OLEDAMOLED
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Physical size8.02 inches6.67 inches
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Resolution1914 x 2160 pixels1080 x 2400 pixels
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Pixel density360 ppi395 ppi
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Display colors107374182416777216
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ProtectionSchott UTG glass, Corning Gorilla Glass VictusScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
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Display features120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1300 nits (peak)120Hz, HDR10+, 1300 nits (peak)
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Cover displayAMOLED-
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Cover display physical size6.56 inches-
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Cover display resolution1080 x 2520 pixels-
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Cover display features120Hz, 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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CPUSingle-core 3.19 GHz Cortex-X2Single-core 3.2 GHz Kryo 585
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CPU(second)Triple-core 2.75 GHz Cortex-A710Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.80 GHz Cortex-A510Quad-core 1.80 GHz Kryo 585
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ChipsetQualcomm SM8475 Snapdragon 8+ Gen 1Qualcomm SM8250-AC Snapdragon 870 5G
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GPUAdreno 730Adreno 650
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Memory RAM12 GB6, 8, 12 GB
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Internal storage256, 512, 1024 GB128, 256 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 Fold 13Android 12, MIUI 13
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 50 MP, f/1.8 , 1/1.56" , 1.0 µm(wide) , 48 MP, f/1.8 , 1/2" , 0.8 µm
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(telephoto) , 8 MP, f/2.6 , 45 mm, 2x optical zoom(ultrawide) , 8 MP, 119˚
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123 , (ultrawide) , 13 MP, f/2.4 , 15 mm, 1.12 µm(macro) , 2 MP, f/2.4
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Primary camera resolution8190 x 6120 pixels8000 x 6000 pixels
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Primary camera video8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
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Primary camera flashdual LED flashdual-LED dual-tone flash
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Camera featuresAutofocus, 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 2.0Autofocus, 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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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera(wide) , 20 MP, f/2.4 , 27 mm, 1/3.4" , 0.8 µm(wide) , 20 MP
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Selfie camera resolution5184 x 3880 pixels-
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Selfie camera featuresFace unlock, HDR, Dolby VisionFace unlock, HDR
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Selfie camera video1080p@30/60fps, 720p@120fps1080p@30/120fps
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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-CType-C 2.0
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USB On-The-Go-Yes
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Bluetoothv5.2v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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InfraredYes-
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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, barometer, compass, color spectrum, fingerprint, gyroscope, proximityAccelerometer, color spectrum, 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 mAh4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 4+, 67W (100% in 40 min)Quick Charge 3+, 67W (100% in 38 min)
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Tests and performance
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Antutu1150000 (v9)715000 (v9)
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Geekbench(single-core)1279 (v5.2)983 (v5.2)
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Geekbench(multi-core)4299 (v5.2)3362 (v5.2)
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Cost
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Price1650 USD290 USD