Ulefone Armor X8i vs Xiaomi Mix Fold 3
Ulefone Armor X8i
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, 28LTE 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 speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, Cat7, 300 Mbps download, 150 Mbps uploadLTE-A (CA)
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-092023-08
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Status2021-092023-08
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Design
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Build-Glass front (folded), plastic front (unfolded), glass back or aramid fiber back, aluminum frame
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height160.3 mm161.2 mm
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Width79 mm73.5 mm
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Thickness13.8 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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Weight256 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-810GYes-
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ColorsBlack, Orange, RedBlack, Gold
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Display
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Display typeIPS LCDFoldable LTPO OLED+
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Physical size5.7 inches8.03 inches
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Resolution720 x 1440 pixels1916 x 2160 pixels
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Pixel density282 ppi360 ppi
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Display colors167772161073741824
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Protection-UTG 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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CPUQuad-core 1.8 GHz Cortex-A53Single-core 3.36 GHz Cortex-X3
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CPU(second)quad-core 1.5 GHz Cortex-A53dual-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 Helio A25Qualcomm SM8550-AC Snapdragon 8 Gen 2
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GPUPowerVR GE8320Adreno 740
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Internal storage32 GB256, 512, 1024 GB
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Memory RAM3 GB12, 16 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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Storage-UFS 4.0
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OS
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OSAndroid 11Android 13, MIUI Fold 14
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Main camera
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Camera typeTripleQuad
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Main camera(wide) , 13 MP, f/2.2(wide) , 50 MP, f/1.8 , 23 mm, 1/1.49" , 1.0 µm
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(depth) , 2 MP(telephoto) , 10 MP, f/2.0 , 75 mm, 3.2x optical zoom
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(depth) , 2 MP(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 resolution4096 x 3072 pixels8190 x 6120 pixels
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Primary camera video1080p@30fps8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960/1920fps, Dolby Vision HDR
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Primary camera flashdual-LED flashLED flash
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Camera featuresHDR, PanoramaAutofocus, 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 camera8 MP, f/2.420 MP, f/2.3 , (wide) , 23 mm
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Selfie camera features-Face 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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RadioFM 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 DirectYesYes
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WLAN WiFi Dual Band-Yes
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USBType-C 2.0Type-C 3.2
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Bluetoothv5.0v5.3
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Infrared-Yes
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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, compass, fingerprint, 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 capacity5080 mAh4800 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingNoQuick Charge 4, 67W (100% in 40 min)
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Fast wireless charging-Yes, 50W (100% in 55 min)
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Talk time 2G14.5 h-
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Talk time 4G9 h-
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Standby time 2G308 h-
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Standby time 4G510 h-
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Tests and performance
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Antutu91188 (v8)1603112 (v10)
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Geekbench(single-core)126 (v5.2)2071 (v6)
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Geekbench(multi-core)447 (v5.2)5419 (v6)
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Cost
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Price200 USD1200 USD