Samsung Galaxy M21 vs Xiaomi Mix Fold 2
Samsung Galaxy M21
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, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)LTE 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-ALTE-A (CA)
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-032022-08
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Status2020-032022-08
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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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Height159 mm161.1 mm
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Width75.1 mm73.9 mm
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Thickness8.9 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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Weight188 g262 g
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ColorsBlack, BlueBlack, Gold
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Display
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Display typeSuper AMOLED capacitive touchscreenFoldable LTPO2 OLED
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Physical size6.4 inches8.02 inches
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Resolution1080 x 2340 pixels1914 x 2160 pixels
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Pixel density403 ppi360 ppi
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Display colors167772161073741824
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Protection2.5D curved glass screen, Corning Gorilla Glass 3Schott UTG glass, Corning Gorilla Glass Victus
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MultitouchYes-
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Display features420 nits max brightness120Hz, 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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CPUQuad-core 2.3 GHz Cortex-A73Single-core 3.19 GHz Cortex-X2
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CPU(second)quad-core 1.7 GHz Cortex-A53Triple-core 2.75 GHz Cortex-A710
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CPU(third)Quad-core 1.80 GHz Cortex-A510
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ChipsetExynos 9611Qualcomm SM8475 Snapdragon 8+ Gen 1
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GPUMali-G72 MP3Adreno 730
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Memory RAM4, 6 GB12 GB
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Internal storage64, 128 GB256, 512, 1024 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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OSOne UI 2 (Android 10.0)Android 12, MIUI Fold 13
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Main camera
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Camera typeTripleTriple
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Main camera48 MP, f/2.0 , 26 mm, 1/2.0" , 0.8 µm50 MP, f/1.8 , 1/1.56" , 1.0 µm, (wide)
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8 MP, f/2.2 , 12 mm, 1/4.0" , 1.12 µm8 MP, f/2.6 , 45 mm, (telephoto) , 2x optical zoom
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5 MP, f/2.213 MP, f/2.4 , 123 , (ultrawide) , 15 mm, 1.12 µm
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Primary camera resolution8000 x 6000 pixels8190 x 6120 pixels
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Primary camera video2160p@30fps, 1080p@30fps, gyro-EIS8K@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, continuous shooting, digital zoom, 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 type-Single
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Selfie camera20 MP, f/2.0 , 26 mm20 MP, f/2.4 , 27 mm, (wide) , 1/3.4" , 0.8 µm
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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 radio with RDSNo
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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 DirectYesYes
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WLAN WiFi Dual Band-Yes
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USBType-C 1.0 reversible connectorType-C
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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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NFC-Yes
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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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BeidouYes-
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BDS-Yes
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QZSS-Yes
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NavIC-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, 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 capacity6000 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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Cost
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Price180 USD1650 USD
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Tests and performance
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Antutu-1150000 (v9)
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Geekbench(single-core)-1279 (v5.2)
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Geekbench(multi-core)-4299 (v5.2)