Xiaomi Redmi K40 Gaming vs vivo iQOO Z7i
Xiaomi Redmi K40 Gaming
vivo iQOO Z7i
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xHSDPA 850, 900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42LTE frequency band 1, 3, 5, 8, 28, 34, 38, 39, 40, 41
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5G network5G band 1, 3, 28, 41, 77, 78 SA/NSA/Sub65G band 1, 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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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-ALTE, 391 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-042023-03
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Status2021-042023-03
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Design
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BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5)Glass front, plastic frame, plastic back
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height161.9 mm164.1 mm
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Width76.9 mm75.6 mm
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Thickness8.3 mm8.2 mm
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Weight205 g186 g
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WaterproofIP53-
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Dust proofIP53-
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Build featuresPhysical pop-up gaming triggers-
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ColorsBlack, Gray, Silver, YellowBlack, Blue
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Display
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Display typeOLEDIPS LCD
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Physical size6.67 inches6.51 inches
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Resolution1080 x 2400 pixels720 x 1600 pixels
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Pixel density395 ppi270 ppi
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Display colors107374182416777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5-
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Display features120Hz, HDR10+, 500 nits (typ)-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 3.0 GHz Cortex-A78Dual-core 2.2 GHz Cortex-A76
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CPU(second)Triple-core 2.6 GHz Cortex-A78Hexa-core 2.0 GHz Cortex-A55
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CPU(third)Quad-core 2.0 GHz Cortex-A55
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ChipsetMediaTek MT6893 Dimensity 1200 5GMediatek Dimensity 6020
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GPUMali-G77 MC9Mali-G57 MC2
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Memory RAM6, 8, 12 GB4, 6, 8 GB
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Internal storage128, 256 GB128 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-1 TB
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StorageUFS 3.1UFS 2.2
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OS
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OSAndroid 11, MIUI 12.5Android 13, Origin OS Ocean
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 64 MP, f/1.7 , 26 mm, 1/2" , 0.7 µm(wide) , 13 MP, f/2.2 , 10x digital zoom
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(ultrawide) , 8 MP, f/2.2 , 120˚(macro) , 2 MP, f/2.4
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(macro) , 2 MP, f/2.4
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Primary camera resolution9280 x 6920 pixels4160 x 3120 pixels
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Primary camera video4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR1080p@30fps
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Primary camera flashdual-LED flashLED flash
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Camera featuresAutofocus, 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 autofocusAutofocus, continuous shooting, 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 camera16 MP5 MP, (wide) , f/1.8
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Selfie camera resolution4608 x 3456 pixels2560 x 1944 pixels
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Selfie camera featuresFace unlock, HDR-
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Selfie camera video1080p@30fps, 720p@120fps1080p@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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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
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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 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.2v5.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-aptX 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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GALILEOYesYes
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BDSYesYes
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QZSSYesYes
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NavICYes-
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Features
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SensorsAccelerometer, barometer, color spectrum, compass, fingerprint, gyroscope, proximityAccelerometer, compass, fingerprint, 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 capacity5065 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3+ (100% in 42 min)Vivo Super FlashCharge, 15W
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Tests and performance
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Antutu724495 (v9)330000 (v9)
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Geekbench(single-core)874 (v5.2)611 (v5.2)
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Geekbench(multi-core)3574 (v5.2)1893 (v5.2)
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Cost
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Price470 USD140 USD