Xiaomi Redmi 9AT vs vivo S15
Xiaomi Redmi 9AT
vivo S15
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41
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5G network-5G band 1, 3, 5, 8, 28, 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-ALTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-092022-05
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Status2020-092022-05
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Design
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Build-AG glass, plastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height164.9 mm161.1 mm
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Width77 mm74.3 mm
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Thickness9 mm8 mm
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Weight194 g197 g
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ColorsBlue, Gray, GreenBlack, Blue, Yellow
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Display
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Display typeIPS LCDAMOLED
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Physical size6.53 inches6.62 inches
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Resolution720 x 1600 pixels1080 x 2400 pixels
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Pixel density269 ppi398 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen
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Display features400 nits (typ)120Hz, HDR10+, 1300 nits (peak)
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.0 GHz Cortex-A53Single-core 3.2 GHz Kryo 585
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CPU(second)quad-core 1.5 GHz Cortex-A53Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.80 GHz Kryo 585
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ChipsetMediaTek Helio G25Qualcomm SM8250-AC Snapdragon 870 5G
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GPUPowerVR GE8320Adreno 650
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Memory RAM2 GB8, 12 GB
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Internal storage32 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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StorageeMMC 5.1UFS 3.1
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OS
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OSAndroid 10, MIUI 12Android 12, Origin OS Ocean
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Main camera
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Camera typeSingleTriple
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Main camera(wide) , 13 MP, f/2.2 , 28 mm, 1.0 µm(wide) , 64 MP, f/1.9 , 25 mm, 1/1.72"
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(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm
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(macro) , 2 MP, f/2.4
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Primary camera resolution-9280 x 6920 pixels
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Primary camera video1080p@30/60fps4K@30fps, 1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresHDRAutofocus, continuous shooting, digital 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) , 5 MP, f/2.2 , 1.12 µm(wide) , 32 MP, f/2.0
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Selfie camera featuresHDRFace unlock, autofocus, HDR, face detection, panorama, geotagging, digital image stabilization
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes, with dual 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 DirectYesYes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-aptX HD, aptX Adaptive
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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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Features
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SensorsAccelerometer, proximityAccelerometer, 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 capacity5000 mAh4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes, 66W (50% in 18 min)
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Talk time 4G-13.8 h
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Tests and performance
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Antutu102778 (v8)725000 (v9)
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Geekbench(single-core)-945 (v5.2)
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Geekbench(multi-core)-3413 (v5.2)
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SAR value
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SAR(head)0.87 W/kg-
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SAR(body)1.01 W/kg-
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SAR EU(head)0.78 W/kg-
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SAR EU(body)1.03 W/kg-
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Cost
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Price150 USD400 USD
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