Infinix Zero X vs Xiaomi Redmi K40 Gaming
Infinix Zero X
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 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, 20, 28, 38, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
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5G network-5G 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, 603 Mbps download, 151 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-102021-04
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Status2021-102021-04
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Design
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BuildPlastic, glassGlass 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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Height164.1 mm161.9 mm
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Width75.7 mm76.9 mm
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Thickness7.8 mm8.3 mm
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Weight193 g205 g
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Waterproof-IP53
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Dust proof-IP53
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Build features-Physical pop-up gaming triggers
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ColorsBlack, SilverBlack, Gray, Silver, Yellow
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Display
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Display typeAMOLEDOLED
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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 colors167772161073741824
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Protection-Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
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Display features120Hz, 700 nits (peak)120Hz, HDR10+, 500 nits (typ)
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.05 GHz Cortex-A76Single-core 3.0 GHz Cortex-A78
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CPU(second)Hexa-core 2.0 GHz Cortex-A55Triple-core 2.6 GHz Cortex-A78
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CPU(third)Quad-core 2.0 GHz Cortex-A55
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ChipsetMediatek Helio G95MediaTek MT6893 Dimensity 1200 5G
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GPUMali-G76 MC4Mali-G77 MC9
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Memory RAM8 GB6, 8, 12 GB
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Internal storage128 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max512 GB-
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StorageUFS 2.2UFS 3.1
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OS
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OSAndroid 11, XOS 7.6Android 11, MIUI 12.5
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 64 MP, f/1.9(wide) , 64 MP, f/1.7 , 26 mm, 1/2" , 0.7 µm
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(periscope telephoto) , 8 MP, f/3.4 , 125 mm, 5x optical zoom , 60x hybrid zoom(ultrawide) , 8 MP, f/2.2 , 120˚
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120˚ , (ultrawide) , 8 MP, f/2.3 , 13 mm, 1/4.0" , 1.12 µm(macro) , 2 MP, f/2.4
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Primary camera resolution9216 x 6912 pixels9280 x 6920 pixels
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Primary camera video4K@30fps, 1080p@30fps4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR
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Primary camera flashquad-LED flashdual-LED 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, macro-mode, phase detection autofocusAutofocus, 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) , 16 MP, f/2.216 MP
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Selfie camera resolution4608 x 3456 pixels4608 x 3456 pixels
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Selfie camera features-Face unlock, HDR
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Selfie camera video1080p@30fps1080p@30fps, 720p@120fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes, with stereo 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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHzWi-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 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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Infrared-Yes
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NFCNoYes
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GPSYes, with A-GPSYes, with dual-band A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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QZSS-Yes
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NavIC-Yes
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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 capacity4500 mAh5065 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes (40% in 15 min)Quick Charge 3+ (100% in 42 min)
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Talk time 3G35 h-
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Standby time 3G648 h-
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Tests and performance
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Antutu320000 (v9)724495 (v9)
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Geekbench(single-core)2332 (v4.3)874 (v5.2)
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Geekbench(multi-core)6288 (v4.3)3574 (v5.2)
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Cost
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Price-470 USD