Cubot J20 vs Samsung Galaxy S23 Ultra
Cubot J20
Samsung Galaxy S23 Ultra
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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4G networkLTE frequency band 1, 3, 5, 7, 8, 19, 20, 40LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - USA
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5G network-5G band 1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA; SA/NSA/Sub6 - global version
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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps11.5 Mbps
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LTE speed-LTE-A (7CA)
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2023-032023-02
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Oficially announced2023-032023-02
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Design
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BuildPlasticGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
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SIMDual SIM (Nano-SIM, dual stand-by)Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by)
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Height138 mm163.4 mm
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Width65 mm78.1 mm
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Thickness10.8 mm8.9 mm
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Weight143 g234 g
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Stylus-Yes
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Payment-Samsung Pay (Visa, MasterCard certified)
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Waterproof-IP68 (1.5m and 30 mins)
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Dust proof-IP68
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Build features-Armor aluminum frame with tougher drop and scratch resistance
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ColorsBlack, GreenBlack, Blue, Cream, Green, Graphite, Lavender, Lime, Red, BMW M Edition
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Display
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Display typeIPS TFTDynamic AMOLED 2X
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Physical size4 inches6.8 inches
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Resolution480 x 584 pixels1440 x 3088 pixels
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Pixel density245 ppi500 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, Corning Gorilla Glass Victus 2
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Display features-120Hz, HDR10+, 1750 nits (peak), Always-on display
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A53Single-core 3.36 GHz Cortex-X3
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CPU(second)dual-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 MT6739WAQualcomm SM8550-AC Snapdragon 8 Gen 2
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GPUPowerVR GE8100Adreno 740
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Memory RAM2 GB8, 12 GB
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Internal storage16 GB256, 512, 1024 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max128 GB-
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Storage-UFS 4.0
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OS
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OSAndroid 12 Go EditionAndroid 13, One UI 5.1
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Main camera
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Camera typeSingleQuad
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Main camera5 MP200 MP, (wide) , f/1.7 , 85˚ , 24 mm, 1/1.3" , 0.6 µm, 100x digital zoom
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(periscope telephoto) , 10 MP, f/4.9 , 230 mm, 1/3.52" , 1.12 µm, 10x optical zoom
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(telephoto) , 10 MP, f/2.4 , 70 mm, 1/3.52" , 1.12 µm, 3x optical zoom
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(ultrawide) , 12 MP, f/2.2 , 120˚ , 13 mm, 1/2.55" , 1.4 µm
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Primary camera resolution2560 x 1920 pixels-
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Primary camera video720p@30fps8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps, HDR10+, stereo sound rec., gyro-EIS
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, geotagging, HDR, touch focus, face detection, self-timerAutofocus, continuous shooting, digital zoom, optical zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, laser autofocus, expert RAW, astro hyperlapse, adaptive VDIS
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera2 MP12 MP, (wide) , f/2.2 , 80˚ , 26 mm
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Selfie camera resolution1920 x 1080 pixels-
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Selfie camera featuresFace unlockAutofocus, HDR, phase detection autofocus
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Selfie camera video480p@30fps4K@30/60fps, 1080p@30fps
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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 RadioNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 6E
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WiFi Tri-Band-Yes
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USBmicroUSB 2.0Type-C 3.2
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USB On-The-Go-Yes
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Bluetoothv4.2v5.3
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFCYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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Features
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SensorsAccelerometer, lightAccelerometer, barometer, compass, 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-Ion
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Battery capacity2350 mAh5000 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Yes, 45W (65% in 30 min)
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Wireless reverse charging-Yes, 4.5W
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Fast wireless charging-Qi/PMA, 15W
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Tests and performance
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Antutu46844 (v8)1277468 (v9)
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Geekbench(single-core)157 (v5.2)1480 (v5.2)
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Geekbench(multi-core)380 (v5.2)4584 (v5.2)
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Cost
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Price65 USD1115 USD
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SAR value
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SAR(head)-1.12 W/kg
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SAR(body)-0.92 W/kg
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SAR EU(head)-0.96 W/kg
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SAR EU(body)-1.40 W/kg