Ulefone Armor 21 vs Xiaomi Redmi K50 Ultra

Ulefone Armor 21
Ulefone Armor 21
Xiaomi Redmi K50 Ultra
Xiaomi Redmi K50 Ultra
Ulefone Armor 21
Xiaomi Redmi K50 Ultra
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900; CDMA 800
  • 3G network
    HSDPA 850, 900, 1700(AWS), 1900, 2100
    HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
  • 4G network
    LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 28, 34, 38, 39, 40, 41, 66
    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
  • HSUPA speed
    -
    5.76 Mbps
  • EV-DO speed
    EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
    -
  • LTE speed
    LTE
    LTE-A
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2023-05
    2022-08
  • Status
    2023-05
    2022-08
  • Design
  • Build
    Polycarbonate, TPU, metal
    Aluminium alloy, glass
  • SIM
    Dual SIM (Nano-SIM, dual stand-by)
    Dual SIM (Nano-SIM, dual stand-by)
  • Height
    176 mm
    163.1 mm
  • Width
    81.6 mm
    75.9 mm
  • Thickness
    18.1 mm
    8.6 mm
  • Weight
    400 g
    202 g
  • Waterproof
    IP68/IP69K (1.5m and 30 mins)
    -
  • Dust proof
    IP68/IP69K
    -
  • MIL-STD-810H
    Yes
    -
  • Colors
    Black
    Black, Blue, Gray, Mercedes AMG
  • Display
  • Display type
    IPS LCD
    OLED
  • Physical size
    6.58 inches
    6.67 inches
  • Resolution
    1080 x 2408 pixels
    1220 x 2712 pixels
  • Pixel density
    401 ppi
    446 ppi
  • Display colors
    16777216
    16777216
  • Protection
    Scratch resistant
    Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus
  • Display features
    -
    144Hz, HDR10+, Dolby Vision
  • Hardware
  • CPU
    Octa-core
    Octa-core
  • CPU
    Dual-core 2.2 GHz Cortex-A76
    Single-core 3.19 GHz Cortex-X2
  • CPU(second)
    Hexa-core 2.0 GHz Cortex-A55
    Triple-core 2.75 GHz Cortex-A710
  • CPU(third)
    Quad-core 1.8 GHz Cortex-510
  • Chipset
    MediaTek MT8781 Helio G99
    Qualcomm SM8475 Snapdragon 8+ Gen 1
  • GPU
    Mali-G57 MC2
    Adreno 730
  • Internal storage
    256 GB
    128, 256, 512 GB
  • Memory RAM
    8 GB
    8, 12 GB
  • Memory card
    microSD, microSDHC, microSDXC
    No
  • Memory card max
    2 TB
    -
  • Storage
    -
    UFS 3.1
  • OS
  • OS
    Android 13
    Android 12, MIUI 13
  • Main camera
  • Camera type
    Dual
    Triple
  • Main camera
    (wide) , 64 MP, f/1.9 , 0.8 µm
    (wide) , 108 MP, f/1.6 , 0.64 µm, 1/1.67"
  • (night vision) , 24 MP, f/1.8
    (ultrawide) , 8 MP, f/2.2 , 120˚
  • (macro) , 2 MP, f/2.4
  • Primary camera resolution
    9280 x 6180 pixels
    12000 x 9000 pixels
  • Primary camera video
    -
    4K@30/60fps, 1080p@30/60/120/240/960fps
  • Primary camera flash
    LED flash
    LED flash
  • Camera features
    Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-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) , 16 MP, f/2.2 , 1.0 µm
    (wide) , 20 MP
  • Selfie camera resolution
    4608 x 3456 pixels
    -
  • Selfie camera features
    Face unlock, HDR, face detection
    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
    Stereo FM radio, RDS, recording
    No
  • Connectivity
  • WLAN
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
    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
    Yes
  • USB
    Type-C 2.0
    Type-C 2.0
  • USB On-The-Go
    Yes
    Yes
  • Bluetooth
    v5.2
    v5.2
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    Yes
    Yes
  • Infrared
    Yes
    Yes
  • NFC
    Yes
    Yes
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    Yes
    Yes
  • GALILEO
    Yes
    Yes
  • BDS
    Yes
    Yes
  • QZSS
    -
    Yes
  • NavIC
    -
    Yes
  • Features
  • Sensors
    Accelerometer, barometer, compass, fingerprint, gyroscope, proximity
    Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Po
    Li-Po
  • Battery capacity
    9600 mAh
    5000 mAh
  • Battery removable
    Non-removable
    Non-removable
  • Fast battery charging
    Yes, 33W
    Quick Charge 3+, 120W (100% in 19 min)
  • Tests and performance
  • Antutu
    370000 (v9)
    1135000 (v9)
  • Geekbench(single-core)
    567 (v5.2)
    1245 (v5.2)
  • Geekbench(multi-core)
    1857 (v5.2)
    4209 (v5.2)
  • Cost
  • Price
    240 USD
    450 USD

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