Asus Zenfone 7 Pro ZS671KS vs Xiaomi Redmi K40
Asus Zenfone 7 Pro ZS671KS
Xiaomi Redmi K40
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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, 29, 38, 39, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 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; SA/NSA5G 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) Cat 19, 1800 Mbps download, 150 Mbps uploadLTE-A, 1174 Mbps download, 210 Mbps upload
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5G speed3.6 Gbps download-
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GPRSYesYes
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EDGEYesClass 8
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Availability
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Oficially announced2020-082021-02
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Status2020-092021-03
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Design
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BuildGlass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frameGlass, Metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height165.1 mm163.7 mm
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Width77.3 mm76.4 mm
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Thickness9.6 mm7.8 mm
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Weight230 g196 g
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ColorsBlack, WhiteAurora, Black, White
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Display
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Display typeSuper AMOLED capacitive touchscreenSuper AMOLED
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Physical size6.67 inches6.67 inches
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Resolution1080 x 2400 pixels1080 x 2400 pixels
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Pixel density395 ppi395 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 6Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
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Display featuresHDR10+, 90Hz refresh rate, 700 nits typ. brightness120Hz, HDR10+, 1300 nits (peak), sunscreen 3.0, night light screen
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 3.1 GHz Kryo 585Single-core 3.2 GHz Kryo 585
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CPU(second)Triple-core 2.42 GHz Kryo 585Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.8 GHz Kryo 585Quad-core 1.80 GHz Kryo 585
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ChipsetQualcomm SM8250 Snapdragon 865+Qualcomm SM8250-AC Snapdragon 870 5G
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GPUAdreno 650Adreno 650
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Memory RAM8 GB6, 8, 12 GB
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Internal storage256 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max2 TB-
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StorageUFS 3.1UFS 3.1
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OS
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OSZenUI 7 (Android 10)Android 11, MIUI 12
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Main camera
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Camera typeTripleTriple
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Main camera64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm, (wide)
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8 MP, f/2.4 , 80 mm, 3x optical zoom8 MP, f/2.2 , (ultrawide) , 119˚
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12 MP, f/2.2 , 17 mm, 1/2.55" , 1.4 µm5 MP, 50 mm, 1/5.0" , 1.12 µm, (macro)
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Primary camera resolution9280 x 6920 pixels8000 x 6000 pixels
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Primary camera video8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS
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Primary camera flashdual LED flashLED 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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DxOMark photo122-
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DxOMark video100-
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DxOMark camera score115-
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Selfie camera
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Selfie camera type-Single
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Selfie camera(wide) , 20 MP, 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
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Selfie camera video-1080p@30fps, 720p@120fps
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DxOMark photo104-
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DxOMark video96-
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DxOMark camera score101-
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Sound
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3.5mm jackNoNo
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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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USBType-C 1.0 reversible connectorType-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX 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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BeidouYes-
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BDS-Yes
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QZSSYesYes
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NavICYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximity, lightAccelerometer, 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 capacity5000 mAh4520 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQualcomm Quick Charge 4, Power Delivery 3.0Quick Charge 3.0 (100% in 52 min)
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Reverse chargingYes-
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Cost
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Price800 USD470 USD
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Tests and performance
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Antutu-673599 (v8)
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Geekbench(single-core)-928 (v5.2)
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Geekbench(multi-core)-3260 (v5.2)