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Ulefone Armor 21
Compare Ulefone Armor 21 and Xiaomi Black Shark 4

Ulefone Armor 21 vs Xiaomi Black Shark 4

Ulefone Armor 21
Ulefone Armor 21
Xiaomi Black Shark 4
Xiaomi Black Shark 4
Ulefone Armor 21
Xiaomi Black Shark 4
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
  • 3G network
    HSDPA 850, 900, 1700(AWS), 1900, 2100
    HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
  • 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, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41
  • 5G network
    -
    5G band 1, 3, 8, 28, 41, 77, 78, 79 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
    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
    2021-03
  • Status
    2023-05
    2021-03
  • 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
    163.8 mm
  • Width
    81.6 mm
    76.4 mm
  • Thickness
    18.1 mm
    9.9 mm
  • Weight
    400 g
    210 g
  • Waterproof
    IP68/IP69K (1.5m and 30 mins)
    -
  • Dust proof
    IP68/IP69K
    -
  • MIL-STD-810H
    Yes
    -
  • Build features
    -
    Physical pop-up gaming triggers
  • Colors
    Black
    Black, Blue, Magic Black, Silver
  • Display
  • Display type
    IPS LCD
    Super AMOLED
  • Physical size
    6.58 inches
    6.67 inches
  • Resolution
    1080 x 2408 pixels
    1080 x 2400 pixels
  • Pixel density
    401 ppi
    395 ppi
  • Display colors
    16777216
    16777216
  • Protection
    Scratch resistant
    Scratch resistant
  • Display features
    -
    Always-on display, 144Hz, HDR10+, 1300 nits (peak)
  • Hardware
  • CPU
    Octa-core
    Octa-core
  • CPU
    Dual-core 2.2 GHz Cortex-A76
    Single-core 3.2 GHz Kryo 585
  • CPU(second)
    Hexa-core 2.0 GHz Cortex-A55
    Triple-core 2.42 GHz Kryo 585
  • CPU(third)
    Quad-core 1.80 GHz Kryo 585
  • Chipset
    MediaTek MT8781 Helio G99
    Qualcomm SM8250-AC Snapdragon 870 5G
  • GPU
    Mali-G57 MC2
    Adreno 650
  • Memory RAM
    8 GB
    6, 8, 12 GB
  • Internal storage
    256 GB
    128, 256 GB
  • Memory card
    microSD, microSDHC, microSDXC
    No
  • Memory card max
    2 TB
    -
  • Storage
    -
    UFS 3.1
  • OS
  • OS
    Android 13
    Android 11, Joy UI 12.5
  • Main camera
  • Camera type
    Dual
    Triple
  • Main camera
    (wide) , 64 MP, f/1.9 , 0.8 µm
    (wide) , 48 MP, f/1.8 , 0.8 µm, 1/2.0"
  • (night vision) , 24 MP, f/1.8
    (ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm
  • (macro) , 5 MP, f/2.4
  • Primary camera resolution
    9280 x 6180 pixels
    8000 x 6000 pixels
  • Primary camera video
    -
    4K@30/60fps, 1080p@30/60/240fps, 1080p@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, 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) , 16 MP, f/2.2 , 1.0 µm
    (wide) , 20 MP, f/2.0 , 0.8 µm
  • Selfie camera resolution
    4608 x 3456 pixels
    5184 x 3880 pixels
  • Selfie camera features
    Face unlock, HDR, face detection
    HDR
  • Selfie camera video
    1080p@30fps
    1080p@30fps
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • 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
    -
  • Bluetooth
    v5.2
    v5.2
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    Yes
    Yes
  • Bluetooth AptX
    -
    aptX HD, aptX Adaptive
  • Infrared
    Yes
    -
  • NFC
    Yes
    Yes
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    Yes
    Yes
  • GALILEO
    Yes
    Yes
  • BDS
    Yes
    Yes
  • QZSS
    -
    Yes
  • Features
  • Sensors
    Accelerometer, barometer, compass, fingerprint, gyroscope, proximity
    Accelerometer, barometer, compass, fingerprint, gyroscope, proximity
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Po
    Li-Po
  • Battery capacity
    9600 mAh
    4500 mAh
  • Battery removable
    Non-removable
    Non-removable
  • Fast battery charging
    Yes, 33W
    Quick Charge (100% in 17 min)
  • Tests and performance
  • Antutu
    370000 (v9)
    640000 (v8)
  • Geekbench(single-core)
    567 (v5.2)
    1009 (v5.2)
  • Geekbench(multi-core)
    1857 (v5.2)
    3329 (v5.2)
  • Cost
  • Price
    240 USD
    380 USD

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