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Realme C21
Compare Realme C21 and Xiaomi Redmi K50 Ultra

Realme C21 vs Xiaomi Redmi K50 Ultra

Realme C21
Realme C21
Xiaomi Redmi K50 Ultra
Xiaomi Redmi K50 Ultra
Realme C21
Xiaomi Redmi K50 Ultra
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900; CDMA 800
  • 3G network
    HSDPA 850, 900, 2100
    HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
  • 4G network
    LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
    LTE frequency band 1, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
  • 5G network
    -
    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
  • LTE speed
    LTE, Cat4, 150 Mbps download, 51 Mbps upload
    LTE-A
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2021-03
    2022-08
  • Status
    2021-03
    2022-08
  • Design
  • Build
    Glass front, plastic back, plastic frame
    Aluminium alloy, glass
  • SIM
    Dual SIM (Nano-SIM, dual stand-by)
    Dual SIM (Nano-SIM, dual stand-by)
  • Height
    165.2 mm
    163.1 mm
  • Width
    76.4 mm
    75.9 mm
  • Thickness
    8.9 mm
    8.6 mm
  • Weight
    190 g
    202 g
  • Colors
    Black, Blue
    Black, Blue, Gray, Mercedes AMG
  • Display
  • Display type
    IPS LCD
    OLED
  • Physical size
    6.5 inches
    6.67 inches
  • Resolution
    720 x 1600 pixels
    1220 x 2712 pixels
  • Pixel density
    270 ppi
    446 ppi
  • Display colors
    16777216
    16777216
  • Protection
    Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
    Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus
  • Display features
    -
    144Hz, HDR10+, Dolby Vision
  • Hardware
  • CPU
    Octa-core
    Octa-core
  • CPU
    Quad-core 2.3 GHz Cortex-A53
    Single-core 3.19 GHz Cortex-X2
  • CPU(second)
    quad-core 1.8 GHz Cortex-A53
    Triple-core 2.75 GHz Cortex-A710
  • CPU(third)
    Quad-core 1.8 GHz Cortex-510
  • Chipset
    MediaTek Helio G35
    Qualcomm SM8475 Snapdragon 8+ Gen 1
  • GPU
    PowerVR GE8320
    Adreno 730
  • Internal storage
    32, 64 GB
    128, 256, 512 GB
  • Memory RAM
    3, 4 GB
    8, 12 GB
  • Memory card
    microSD, microSDHC, microSDXC
    No
  • Memory card max
    256 GB
    -
  • Storage
    eMMC 5.1
    UFS 3.1
  • OS
  • OS
    Android 10, Realme UI 1.0 / Android 11, Realme UI 2.0
    Android 12, MIUI 13
  • Main camera
  • Camera type
    Triple
    Triple
  • Main camera
    (wide) , 13 MP, f/2.2 , 26 mm, 1/3.06" , 1.12 µm
    (wide) , 108 MP, f/1.6 , 1/1.67" , 0.64 µm
  • (macro) , 2 MP, f/2.4
    (ultrawide) , 8 MP, f/2.2 , 120˚
  • (depth) , 2 MP, f/2.4
    (macro) , 2 MP, f/2.4
  • Primary camera resolution
    2560 x 1920 pixels
    12000 x 9000 pixels
  • Primary camera video
    1080p@30fps
    4K@30/60fps, 1080p@30/60/120/240/960fps
  • Primary camera flash
    LED flash
    LED flash
  • Camera features
    Autofocus, digital zoom, digital 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, 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, flicker sensor
  • Selfie camera
  • Selfie camera type
    Single
    Single
  • Selfie camera
    (wide) , 5 MP, f/2.2 , 1/5.0" , 1.12 µm
    (wide) , 20 MP
  • Selfie camera resolution
    2560 x 1920 pixels
    -
  • Selfie camera features
    Face unlock, HDR, panorama
    HDR
  • Selfie camera video
    1080p@30fps
    1080p@30/60fps, 720p@120fps
  • Sound
  • 3.5mm jack
    Yes
    No
  • Loudspeaker
    Yes
    Yes, with stereo speakers
  • Earpiece
    Yes
    Yes
  • Multimedia
  • Radio
    FM Radio
    No
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
  • WLAN WiFi Hotspot
    Yes
    Yes
  • WLAN WiFi Direct
    -
    Yes
  • WLAN WiFi Dual Band
    -
    Yes
  • USB
    microUSB 2.0
    Type-C 2.0
  • USB On-The-Go
    Yes
    Yes
  • Bluetooth
    v5.0
    v5.2
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    Yes
    Yes
  • Infrared
    -
    Yes
  • NFC
    No
    Yes
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    Yes
    Yes
  • GALILEO
    -
    Yes
  • BDS
    Yes
    Yes
  • QZSS
    -
    Yes
  • NavIC
    -
    Yes
  • Features
  • Sensors
    Accelerometer, compass, fingerprint, proximity
    Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Po
    Li-Po
  • Battery capacity
    5000 mAh
    5000 mAh
  • Battery removable
    Non-removable
    Non-removable
  • Fast battery charging
    Yes
    Quick Charge 3+, 120W (100% in 19 min)
  • Reverse charging
    Yes
    -
  • Tests and performance
  • Antutu
    110490 (v8)
    1135000 (v9)
  • Geekbench(single-core)
    174 (v5.2)
    1245 (v5.2)
  • Geekbench(multi-core)
    982 (v5.2)
    4209 (v5.2)
  • Cost
  • Price
    130 USD
    450 USD

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