Xiaomi 12S Ultra vs Xiaomi Redmi A2
Xiaomi 12S Ultra
Xiaomi Redmi A2
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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 800, 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, 26, 34, 38, 39, 40, 41, 42LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - global version; 1, 3, 5, 8, 40, 41 - India
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5G network5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA-
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 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-ALTE
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GPRSClass 33Yes
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EDGEClass 33Yes
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Availability
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Oficially announced2022-072023-03
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Status2022-072023-03
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Design
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BuildGlass front (Gorilla Glass Victus), eco leather 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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Height163.2 mm164.9 mm
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Width75 mm76.8 mm
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Thickness9.1 mm9.1 mm
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Weight225 g192 g
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ColorsBlack, GreenBlack, Blue, Green
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Display
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Display typeLTPO2 AMOLEDIPS LCD
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Physical size6.73 inches6.52 inches
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Resolution1440 x 3200 pixels720 x 1600 pixels
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Pixel density522 ppi269 ppi
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Display colors107374182416777216
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ProtectionScratch resistant, Corning Gorilla Glass VictusScratch resistant, 2.5D curved glass screen
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Display features120Hz, Dolby Vision, HDR10+, 1000 nits (HBM), 1500 nits (peak)400 nits (typ)
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 3.19 GHz Cortex-X2Quad-core 2.2 GHz Cortex-A53
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CPU(second)Triple-core 2.75 GHz Cortex-A710quad-core 1.7 GHz Cortex-A53
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CPU(third)Quad-core 1.8 GHz Cortex-A510
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ChipsetQualcomm SM8475 Snapdragon 8+ Gen 1Mediatek Helio G36
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GPUAdreno 730PowerVR GE8320
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Memory RAM8, 12 GB2, 3 GB
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Internal storage256, 512 GB32 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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StorageUFS 3.1eMMC 5.1
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OS
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OSAndroid 12, MIUI 13Android 12 Go edition, MIUI
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Main camera
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Camera typeQuadDual
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Main camera(wide) , 50 MP, f/1.9 , 23 mm, 1.0" , 1.6 µm(wide) , 8 MP, f/2.0
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(periscope telephoto) , 48 MP, f/4.1 , 120 mm, 1/2.0" , 0.8 µm(depth) , 0.08 MP
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128˚ , (ultrawide) , 48 MP, f/2.2 , 13 mm, 1/2.0" , 0.8 µm
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Primary camera resolution-3264 x 2448 pixels
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Primary camera video8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@3840fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K, 1080p)1080p@30fps
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Primary camera opticsLeica lens-
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Primary camera flashdual-LED flashdual-LED flash
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Camera featuresAutofocus, 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, super night mode 2.0, HDR10 video recordingAutofocus, 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) , 32 MP, f/2.4 , 80˚ , 25 mm, 1/3" , 0.7 µm5 MP, f/2.2
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Selfie camera resolution-2560 x 1944 pixels
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Selfie camera featuresFace unlock, HDR, panoramaFace unlock
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Selfie camera video1080p@30/60fps1080p@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
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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
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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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WLAN DLNAYes-
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USBType-C 2.0microUSB 2.0
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USB On-The-GoYes-
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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, aptX Adaptive-
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InfraredYes-
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NFCYesNo
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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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QZSSYes-
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NavICYes-
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Features
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SensorsAccelerometer, barometer, color spectrum, compass, fingerprint, gyroscope, virtual proximity sensingAccelerometer
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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 capacity4860 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 4+, 67W (100% in 41 min)Yes, 10W
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Wireless reverse chargingYes, 10W-
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Fast wireless chargingYes, 50W (100% in 52 min)-
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Talk time 4G-28 h
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Standby time 4G-626 h
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Tests and performance
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Antutu1105958 (v9)127000 (v9)
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Geekbench(single-core)1297 (v5.2)188 (v5.2)
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Geekbench(multi-core)4286 (v5.2)987 (v5.2)
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Cost
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Price960 USD90 USD