Asus Zenfone 9 vs Xiaomi Redmi K40 Gaming
Asus Zenfone 9
Xiaomi Redmi K40 Gaming
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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 800, 850, 900, 1700(AWS), 1900, 2100HSDPA 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, 42 - A version; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - B version; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 42, 66, 71 - C versionLTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
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5G network5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78 - A version; 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 41, 77, 78 - B version; 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78 - C version5G band 1, 3, 28, 41, 77, 78 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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LTE speedLTE-A (5CA), Cat20, 2000 Mbps download, 211 Mbps uploadLTE-A
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5G speed4.5 Gbps download, 0.9 Gbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-072021-04
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Status2022-082021-04
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Design
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BuildGlass front (Gorilla Glass Victus), polymer back, aluminum frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5)
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height146.5 mm161.9 mm
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Width68.1 mm76.9 mm
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Thickness9.1 mm8.3 mm
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Weight169 g205 g
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WaterproofIP68 (1.5m and 30 mins)IP53
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Dust proofIP68IP53
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Build features-Physical pop-up gaming triggers
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ColorsBlack, Blue, Red, SilverBlack, Gray, Silver, Yellow
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Display
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Display typeSuper AMOLEDOLED
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Physical size5.9 inches6.67 inches
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Resolution1080 x 2400 pixels1080 x 2400 pixels
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Pixel density445 ppi395 ppi
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Display colors167772161073741824
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass VictusScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
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Display featuresAlways-on display, 120Hz, HDR10+, 1100 nits (peak)120Hz, HDR10+, 500 nits (typ)
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 3.19 GHz Cortex-X2Single-core 3.0 GHz Cortex-A78
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CPU(second)Triple-core 2.75 GHz Cortex-A710Triple-core 2.6 GHz Cortex-A78
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CPU(third)Quad-core 1.8 GHz Cortex-A510Quad-core 2.0 GHz Cortex-A55
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ChipsetQualcomm SM8475 Snapdragon 8+ Gen 1MediaTek MT6893 Dimensity 1200 5G
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GPUAdreno 730Mali-G77 MC9
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Memory RAM8, 16 GB6, 8, 12 GB
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Internal storage128, 256 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, ZenUIAndroid 11, MIUI 12.5
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Main camera
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Camera typeDualTriple
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Main camera(wide) , 50 MP, f/1.9 , 84˚ , 23.8 mm, 1/1.56" , 1.0 µm(wide) , 64 MP, f/1.7 , 26 mm, 1/2" , 0.7 µm
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(ultrawide) , 12 MP, f/2.2 , 113˚ , 14.4 mm, 1/2.93" , 1.4 µm(ultrawide) , 8 MP, f/2.2 , 120˚
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(macro) , 2 MP, f/2.4
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Primary camera resolution8190 x 6120 pixels9280 x 6920 pixels
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Primary camera video8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR
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Primary camera flashLED 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, macro-mode, phase detection autofocus, laser autofocus, RAWAutofocus, 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(standard) , 12 MP, f/2.5 , 27.5 mm, 1/2.93" , 1.22 µm16 MP
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Selfie camera resolution4032 x 3024 pixels4608 x 3456 pixels
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Selfie camera featuresDual-pixel phase detection autofocus, face unlock, HDRFace unlock, HDR
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Selfie camera video4K@30fps, 1080p@30/60fps1080p@30fps, 720p@120fps
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Sound
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3.5mm jackYesNo
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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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WLAN DLNAYes-
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USBType-C 3.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.2v5.2
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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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Infrared-Yes
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NFCYesYes
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GPSYes, with A-GPSYes, with dual-band 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, compass, fingerprint, gyroscope, proximityAccelerometer, barometer, 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 capacity4300 mAh5065 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 4+, 30WQuick Charge 3+ (100% in 42 min)
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Reverse chargingYes-
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Tests and performance
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Antutu1110000 (v9)724495 (v9)
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Geekbench(single-core)1289 (v5.4)874 (v5.2)
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Geekbench(multi-core)4243 (v5.4)3574 (v5.2)
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Cost
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Price810 USD470 USD
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