Xiaomi Mix 4 vs Xiaomi Poco C51
Xiaomi Mix 4
Xiaomi Poco C51
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DOHSDPA 850, 900, 2100
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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, 3, 5, 8, 40, 41
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5G network5G band 1, 3, 5, 8, 28, 41, 77, 78, 79 SA/NSA/Sub6-
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-A, 1174 Mbps download, 210 Mbps uploadLTE, 301 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEClass 8Yes
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Availability
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Oficially announced2021-082023-04
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Status2021-082023-04
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Design
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BuildGlass front (Gorilla Glass Victus), ceramic back, aluminum framePlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height162.6 mm164.9 mm
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Width75.4 mm76.8 mm
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Thickness8 mm9.1 mm
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Weight225 g192 g
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Splash resistantIP53-
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Dust proofIP53-
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ColorsBlack, Gray, WhiteBlack, Blue
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Display
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Display typeAMOLEDIPS LCD
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Physical size6.67 inches6.52 inches
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Resolution1080 x 2400 pixels720 x 1650 pixels
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Pixel density395 ppi269 ppi
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Display colors107374182416777216
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ProtectionScratch resistant, 3D curved glass screen, Corning Gorilla Glass VictusScratch resistant, 2.5D curved glass screen
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Display features120Hz, HDR10+, Dolby Vision, 800 nits (HBM), Wide color gamut, True-tone400 nits (typ)
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.99 GHz Kryo 680Dual-core 2.2 GHz Cortex-A53
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CPU(second)Triple-core 2.42 GHz Kryo 680quad-core 1.7 GHz Cortex-A53
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CPU(third)Quad-core 1.80 GHz Kryo 680
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ChipsetQualcomm SM8350 Snapdragon 888+ 5GMediatek Helio G36
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GPUAdreno 660PowerVR GE8320
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Memory RAM8, 12 GB4 GB
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Internal storage128, 256, 512 GB64 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-1 TB
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StorageUFS 3.1eMMC 5.1
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OS
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OSAndroid 11, MIUI 12.5Android 13 Go Edition, MIUI
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 108 MP, f/1.9 , 24 mm, 1/1.33" , 0.8 µm(wide) , 8 MP, f/2.0 , 1/4" , 1.12 µm
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(periscope telephoto) , 8 MP, f/4.1 , 120 mm, 5x optical zoom(depth) , 0.08 MP
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123˚ , (ultrawide) , 13 MP, f/2.2 , 12 mm, 1/3.06" , 1.12 µm
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Primary camera resolution-3264 x 2448 pixels
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Primary camera video8K@24fps, 4K@30/60fps, 1080p@30/60/120/480fps; gyro-EIS, HDR10+1080p@30fps
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Primary camera flashdual-LED 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 autofocus, laser autofocus, AI 2.0, night mode 2.0, stagger HDRAutofocus, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-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, 27 mm, 1/3.4" , 0.8 µm5 MP, f/2.2
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Selfie camera resolution5184 x 3880 pixels2560 x 1944 pixels
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Selfie camera featuresFace unlock, HDRFace unlock
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYes, with stereo speakersYes
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EarpieceYesYes
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Multimedia
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RadioNoFM Radio, recording
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYes-
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USBType-C 2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv5.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD-
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InfraredYes-
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NFCYesNo
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GPSYes, with dual-band A-GPSYes, with A-GPS
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GLONASSYesYes
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BDSYesYes
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QZSSYes-
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NavICYes-
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Features
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SensorsAccelerometer, color spectrum, compass, fingerprint, gyroscope, proximityAccelerometer, fingerprint
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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 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 4 (100% in 15 min)No, 10W
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Fast wireless chargingYes (100% in 28 min)-
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Talk time 3G-39 h
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Standby time 3G-672 h
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Tests and performance
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Antutu792743 (v9)127000 (v9)
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Geekbench(single-core)863 (v5.4)-
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Geekbench(multi-core)3181 (v5.4)-
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Cost
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Price800 USD100 USD
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SAR value
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SAR(head)-0.97 W/kg
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SAR(body)-0.87 W/kg