Ulefone Armor 21 vs Xiaomi Mix Fold 3
Ulefone Armor 21
Xiaomi Mix Fold 3
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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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, 26, 34, 38, 39, 40, 41, 42
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5G network-5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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EV-DO speedEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload-
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LTE speedLTELTE-A (CA)
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2023-052023-08
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Status2023-052023-08
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Design
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BuildPolycarbonate, TPU, metalGlass front (folded), plastic front (unfolded), glass back or aramid fiber back, aluminum frame
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height176 mm161.2 mm
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Width81.6 mm73.5 mm
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Thickness18.1 mm10.9 mm
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Height unfolded-161.2 mm
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Width unfolded-143.3 mm
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Thickness unfolded-5.3 mm
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Weight400 g255/259 g
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WaterproofIP68/IP69K (1.5m and 30 mins)-
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Dust proofIP68/IP69K-
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MIL-STD-810HYes-
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ColorsBlackBlack, Gold
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Display
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Display typeIPS LCDFoldable LTPO OLED+
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Physical size6.58 inches8.03 inches
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Resolution1080 x 2408 pixels1916 x 2160 pixels
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Pixel density401 ppi360 ppi
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Display colors167772161073741824
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ProtectionScratch resistantUTG glass, Corning Gorilla Glass Victus 2
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Display features-120Hz, HDR10+, Dolby Vision, 1300 nits (peak)
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Cover display-AMOLED
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Cover display physical size-6.56 inches
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Cover display resolution-1080 x 2520 pixels
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Cover display features-120Hz, HDR10+, Dolby Vision, 2600 nits (peak)
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.2 GHz Cortex-A76Single-core 3.36 GHz Cortex-X3
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CPU(second)Hexa-core 2.0 GHz Cortex-A55dual-core 2.8 GHz Cortex-A715
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CPU(third)Dual-core 2.8 GHz Cortex-A710
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CPU(fourth)Triple-core 2.0 GHz Cortex-A510
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ChipsetMediaTek MT8781 Helio G99Qualcomm SM8550-AC Snapdragon 8 Gen 2
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GPUMali-G57 MC2Adreno 740
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Memory RAM8 GB12, 16 GB
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Internal storage256 GB256, 512, 1024 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max2 TB-
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Storage-UFS 4.0
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OS
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OSAndroid 13Android 13, MIUI Fold 14
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Main camera
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Camera typeDualQuad
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Main camera(wide) , 64 MP, f/1.9 , 0.8 µm(wide) , 50 MP, f/1.8 , 1.0 µm, 23 mm, 1/1.49"
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(night vision) , 24 MP, f/1.8(telephoto) , 10 MP, f/2.0 , 75 mm, 3.2x optical zoom
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(telephoto) , 10 MP, f/2.9 , 115 mm, 5x optical zoom
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(ultrawide) , 12 MP, f/2.2 , 120˚ , 15 mm
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Primary camera resolution9280 x 6180 pixels8190 x 6120 pixels
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Primary camera video-8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960/1920fps, Dolby Vision HDR
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Primary camera flashLED flashLED flash
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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 autofocus, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, Dolby Vision, Leica Native Dual Quality, super night 2.0
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera(wide) , 16 MP, f/2.2 , 1.0 µm(wide) , 20 MP, f/2.3 , 23 mm
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Selfie camera resolution4608 x 3456 pixels-
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Selfie camera featuresFace unlock, HDR, face detectionFace unlock, HDR, Dolby Vision
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Selfie camera video1080p@30fps1080p@30/60fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes, with stereo speakers
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EarpieceYesYes
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Multimedia
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RadioStereo FM radio, RDS, recordingNo
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Connectivity
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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, 802.11be
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual BandYesYes
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USBType-C 2.0Type-C 3.2
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USB On-The-GoYes-
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Bluetoothv5.2v5.3
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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InfraredYesYes
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NFCYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BDSYesYes
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QZSS-Yes
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NavIC-Yes
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Features
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SensorsAccelerometer, barometer, compass, fingerprint, gyroscope, proximityAccelerometer, barometer, compass, color spectrum, fingerprint, gyroscope, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity9600 mAh4800 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 33WQuick Charge 4, 67W (100% in 40 min)
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Fast wireless charging-Yes, 50W (100% in 55 min)
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Tests and performance
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Antutu370000 (v9)1603112 (v10)
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Geekbench(single-core)567 (v5.2)2071 (v6)
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Geekbench(multi-core)1857 (v5.2)5419 (v6)
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Cost
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Price240 USD1200 USD
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