Ulefone Armor 21 vs Xiaomi Redmi K40 Pro+
Ulefone Armor 21
Xiaomi Redmi K40 Pro+
-
Network
-
2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800
-
3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
-
4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 28, 34, 38, 39, 40, 41, 66LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
-
5G network-5G band 1, 3, 28, 41, 77, 78 SA/NSA/Sub6
-
HSDPA speed-42.2 Mbps
-
HSUPA speed-5.76 Mbps
-
EV-DO speedEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload-
-
LTE speedLTELTE-A, 1174 Mbps download, 210 Mbps upload
-
GPRSYesYes
-
EDGEYesClass 8
-
Availability
-
Oficially announced2023-052021-02
-
Status2023-052021-03
-
Design
-
BuildPolycarbonate, TPU, metalGlass, Metal
-
SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
-
Height176 mm163.7 mm
-
Width81.6 mm76.4 mm
-
Thickness18.1 mm7.8 mm
-
Weight400 g196 g
-
WaterproofIP68/IP69K (1.5m and 30 mins)-
-
Splash resistant-IP53
-
Dust proofIP68/IP69KIP53
-
MIL-STD-810HYes-
-
ColorsBlackAurora, Black, White
-
Display
-
Display typeIPS LCDSuper AMOLED
-
Physical size6.58 inches6.67 inches
-
Resolution1080 x 2408 pixels1080 x 2400 pixels
-
Pixel density401 ppi395 ppi
-
Display colors1677721616777216
-
ProtectionScratch resistantScratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
-
Display features-120Hz, HDR10+, 1300 nits (peak), sunscreen 3.0, night light screen
-
Hardware
-
CPUOcta-coreOcta-core
-
CPUDual-core 2.2 GHz Cortex-A76Single-core 2.84 GHz Kryo 680
-
CPU(second)Hexa-core 2.0 GHz Cortex-A55Triple-core 2.42 GHz Kryo 680
-
CPU(third)Quad-core 1.80 GHz Kryo 680
-
ChipsetMediaTek MT8781 Helio G99Qualcomm SM8350 Snapdragon 888
-
GPUMali-G57 MC2Adreno 660
-
Memory RAM8 GB12 GB
-
Internal storage256 GB256 GB
-
Memory cardmicroSD, microSDHC, microSDXCNo
-
Memory card max2 TB-
-
Storage-UFS 3.1
-
OS
-
OSAndroid 13Android 11, MIUI 12
-
Main camera
-
Camera typeDualTriple
-
Main camera(wide) , 64 MP, f/1.9 , 0.8 µm(wide) , 108 MP, f/1.8 , 0.7 µm, 26 mm, 1/1.52"
-
(night vision) , 24 MP, f/1.8(ultrawide) , 8 MP, f/2.2 , 119˚
-
(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm
-
Primary camera resolution9280 x 6180 pixels9280 x 6920 pixels
-
Primary camera video-8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
-
Primary camera flashLED flashLED flash
-
Camera featuresAutofocus, 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 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
-
DxOMark photo-113
-
DxOMark zoom-42
-
DxOMark video-102
-
DxOMark camera score-108
-
Selfie camera
-
Selfie camera typeSingleSingle
-
Selfie camera(wide) , 16 MP, f/2.2 , 1.0 µm(wide) , 20 MP, 0.8 µm, 1/3.4"
-
Selfie camera resolution4608 x 3456 pixels5184 x 3880 pixels
-
Selfie camera featuresFace unlock, HDR, face detectionFace unlock, HDR
-
Selfie camera video1080p@30fps1080p@30fps, 720p@120fps
-
Sound
-
3.5mm jackYesNo
-
LoudspeakerYesYes, with stereo speakers
-
EarpieceYesYes
-
Multimedia
-
RadioStereo FM radio, RDS, recordingNo
-
Connectivity
-
WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
-
WLAN WiFi HotspotYesYes
-
WLAN WiFi Direct-Yes
-
WLAN WiFi Dual BandYesYes
-
USBType-C 2.0Type-C 2.0
-
USB On-The-GoYesYes
-
Bluetoothv5.2v5.2
-
Bluetooth A2DPYesYes
-
bluetooth LEYesYes
-
InfraredYesYes
-
NFCYesYes
-
GPSYes, with A-GPSYes, with dual-band A-GPS
-
GLONASSYesYes
-
GALILEOYesYes
-
BDSYesYes
-
QZSS-Yes
-
NavIC-Yes
-
Features
-
SensorsAccelerometer, barometer, compass, fingerprint, gyroscope, proximityAccelerometer, barometer, color spectrum, compass, fingerprint, gyroscope, proximity
-
Browser
-
HTMLHTML5HTML5
-
Battery
-
Battery typeLi-PoLi-Po
-
Battery capacity9600 mAh4520 mAh
-
Battery removableNon-removableNon-removable
-
Fast battery chargingYes, 33WQuick Charge 3.0 (100% in 52 min)
-
Tests and performance
-
Antutu370000 (v9)727466 (v8)
-
Geekbench(single-core)567 (v5.2)-
-
Geekbench(multi-core)1857 (v5.2)-
-
Cost
-
Price240 USD770 USD