Asus ROG Phone 3 ZS661KS vs Digma Optima Prime 4 3G
Asus ROG Phone 3 ZS661KS
Digma Optima Prime 4 3G
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 900, 1800
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3G networkHSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100 - A version; HSDPA 850, 900, 1700(AWS), 1900, 2100 - B versionHSDPA 1900
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 71 - A version; LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 34, 38, 39, 40, 41 - B version-
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5G network5G band 1, 2, 3, 5, 28, 41, 66, 71, 77, 78, 79; SA/NSA - A version; 5G band 41, 77, 78, 79 SA/NSA - B version-
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE-A, (6CA) Cat20, 2000 Mbps download, 150 Mbps upload-
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5G speed4.4 Gbps download-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-072018-4
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Status2020-072018-4
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Design
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BuildGlass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum framePlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Micro-SIM/Mini-SIM, dual stand-by)
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Height171 mm107.8 mm
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Width78 mm188 mm
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Thickness9.9 mm10 mm
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Weight240 g270 g
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Build featuresRGB light panel (on the back), Pressure sensitive zones (Gaming triggers)-
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ColorsBlackBlack
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Display
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Display typeAMOLED capacitive touchscreenTN
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Physical size6.59 inches7 inches
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Resolution1080 x 2340 pixels1024 x 600 pixels
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Pixel density391 ppi170 ppi
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Display colors107374182416777216
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ProtectionCorning Gorilla Glass 6-
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Multitouch-Yes
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Display featuresHDR10+, 144Hz refresh rate, 650 nits max. brightness-
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DxOMark display score70-
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Hardware
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CPUOcta-core-
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CPUSingle-core 3.1 GHz Kryo 585Quad-core 1.2 GHz Cortex-A7
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CPU(second)Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.8 GHz Kryo 585
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ChipsetQualcomm SM8250 Snapdragon 865+Spreadtrum SC7731C
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GPUAdreno 650Mali-400 MP1
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Memory RAM8, 12, 16 GB1 GB
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Internal storage128, 256, 512 GB8 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-64 GB
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StorageUFS 3.1-
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OS
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OSROG UI (Android 10)Android 7.0 Nougat
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Main camera
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Camera typeTriple-
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Main camera64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm
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13 MP, f/2.4 , 11 mm
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5 MP, f/2.0
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Primary camera video8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS-
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Primary camera flashLED flash-
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Camera featuresHDR, Panorama-
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Selfie camera
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Selfie camera24 MP, f/2.0 , 27 mm, 0.9 µm0.31 MP
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Selfie camera resolution-640 x 480 pixels
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Selfie camera video1080p@30fps480p@30fps MP
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Sound
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3.5mm jackNoYes
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LoudspeakerYes, with DTS X stereo speakersYes
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EarpieceYesYes
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Multimedia
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RadioNoFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11adWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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Wi-Fi displayYes-
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WLAN WiFi Dual BandYes-
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USBType-C 3.1 (side), Type-C 2.0 (bottom)microUSB 2.0
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USB connectorAccessory connector-
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Bluetoothv5.1v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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Bluetooth AptXaptX HD, aptX Adaptive-
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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GALILEOYes-
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BDSYes-
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QZSSYes-
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GNSSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer
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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 capacity6000 mAh2200 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 4.0-
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Wireless reverse chargingYes-
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Cost
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Price600 USD-
