Xiaomi Redmi K40S vs vivo iQOO Z8x

Xiaomi Redmi K40S
Xiaomi Redmi K40S
vivo iQOO Z8x
vivo iQOO Z8x
Xiaomi Redmi K40S
vivo iQOO Z8x
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900; CDMA 800
    GSM 850, 900, 1800, 1900; CDMA 800
  • 3G network
    HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
    HSDPA 850, 900, 2100; CDMA2000 1x
  • 4G network
    LTE frequency band 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
    LTE frequency band 1, 3, 5, 8, 28, 34, 38, 39, 40, 41
  • 5G network
    5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
    5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
  • HSDPA speed
    42.2 Mbps
    42.2 Mbps
  • HSUPA speed
    5.76 Mbps
    5.76 Mbps
  • EV-DO speed
    -
    EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
  • LTE speed
    LTE-A
    LTE-A
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2022-03
    2023-08
  • Status
    2022-03
    2023-09
  • Design
  • Build
    Glass front (Gorilla Glass 5), plastic back
    Glass, plastic
  • SIM
    Dual SIM (Nano-SIM, dual stand-by)
    Dual SIM (Nano-SIM, dual stand-by)
  • Height
    163.2 mm
    164.6 mm
  • Width
    76 mm
    75.8 mm
  • Thickness
    7.7 mm
    9.1 mm
  • Weight
    195 g
    199.6 g
  • Splash resistant
    Yes
    -
  • Colors
    Black, Blue, Gray, Green
    Black, Blue, Silver
  • Display
  • Display type
    AMOLED
    IPS LCD
  • Physical size
    6.67 inches
    6.64 inches
  • Resolution
    1080 x 2400 pixels
    1080 x 2388 pixels
  • Pixel density
    395 ppi
    395 ppi
  • Display colors
    16777216
    16777216
  • Protection
    Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
    Scratch resistant, 2.5D curved glass screen
  • Display features
    120Hz, HDR10+, 1300 nits (peak)
    120Hz
  • Hardware
  • CPU
    Octa-core
    Octa-core
  • CPU
    Single-core 3.2 GHz Kryo 585
    Quad-core 2.2 GHz Cortex-A78
  • CPU(second)
    Triple-core 2.42 GHz Kryo 585
    quad-core 1.8 GHz Cortex-A55
  • CPU(third)
    Quad-core 1.80 GHz Kryo 585
  • Chipset
    Qualcomm SM8250-AC Snapdragon 870 5G
    Qualcomm SM6450 Snapdragon 6 Gen 1
  • GPU
    Adreno 650
    Adreno 710
  • Memory RAM
    6, 8, 12 GB
    8, 12 GB
  • Internal storage
    128, 256 GB
    128, 256 GB
  • Memory card
    No
    No
  • Storage
    UFS 3.1
    UFS 2.2
  • OS
  • OS
    Android 12, MIUI 13
    Android 13, OriginOS 3
  • Main camera
  • Camera type
    Triple
    Dual
  • Main camera
    (wide) , 48 MP, f/1.8 , 1/2" , 0.8 µm
    (wide) , 50 MP, f/1.8 , 10x digital zoom
  • (ultrawide) , 8 MP, 119˚
    (depth) , 2 MP, f/2.4
  • (macro) , 2 MP, f/2.4
  • Primary camera resolution
    8000 x 6000 pixels
    8120 x 6180 pixels
  • Primary camera video
    4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
    4K@30fps
  • Primary camera flash
    dual-LED dual-tone flash
    dual-LED dual-tone flash
  • Camera features
    Autofocus, 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, phase detection autofocus
    Autofocus, 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 autofocus
  • Selfie camera
  • Selfie camera type
    Single
    Single
  • Selfie camera
    (wide) , 20 MP
    (wide) , 8 MP, f/2.0 , 1/4" , 1.12 µm
  • Selfie camera resolution
    -
    3264 x 2448 pixels
  • Selfie camera features
    Face unlock, HDR
    Face unlock
  • Selfie camera video
    1080p@30/120fps
    1080p@30fps
  • Sound
  • 3.5mm jack
    No
    Yes
  • Loudspeaker
    Yes, with stereo speakers
    Yes
  • Earpiece
    Yes
    Yes
  • Multimedia
  • Radio
    No
    No
  • Connectivity
  • WLAN
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
  • WLAN WiFi Hotspot
    Yes
    Yes
  • WLAN WiFi Direct
    Yes
    Yes
  • WLAN WiFi Dual Band
    Yes
    Yes
  • USB
    Type-C 2.0
    Type-C 2.0
  • USB On-The-Go
    Yes
    Yes
  • Bluetooth
    v5.2
    v5.1
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    Yes
    Yes
  • Bluetooth AptX
    -
    aptX HD, aptX Adaptive
  • NFC
    Yes
    No
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    Yes
    Yes
  • GALILEO
    Yes
    Yes
  • BDS
    Yes
    Yes
  • QZSS
    Yes
    Yes
  • NavIC
    Yes
    -
  • Features
  • Sensors
    Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity
    Accelerometer, compass, fingerprint, gyroscope, proximity
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Po
    Li-Po
  • Battery capacity
    4500 mAh
    6000 mAh
  • Battery removable
    Non-removable
    Non-removable
  • Fast battery charging
    Quick Charge 3+, 67W (100% in 38 min)
    Yes, 44W
  • Tests and performance
  • Antutu
    715000 (v9)
    440000 (v9)
  • Geekbench(single-core)
    983 (v5.2)
    745 (v5.2)
  • Geekbench(multi-core)
    3362 (v5.2)
    2208 (v5.2)
  • Cost
  • Price
    290 USD
    180 USD

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