Digma Optima Prime 4 3G vs Oppo Reno Ace
Digma Optima Prime 4 3G
Oppo Reno Ace
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speed-LTE Cat15, 798 Mbps download, 226 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42019-10
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Status2018-42019-10
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Design
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BuildPlasticAluminium alloy, glass
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height107.8 mm161 mm
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Width188 mm75.7 mm
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Thickness10 mm8.7 mm
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Weight270 g200 g
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ColorsBlackPurple, Blue
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Display
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Display typeTNAMOLED capacitive touchscreen
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Physical size7 inches6.5 inches
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Resolution1024 x 600 pixels1080 x 2400 pixels
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Pixel density170 ppi405 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 6
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MultitouchYesYes
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Display features-HDR, DCI-P3 100%
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.2 GHz Cortex-A7Single-core 2.96 GHz Kryo 485
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CPU(second)Triple-core 2.42 GHz Kryo 485
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CPU(third)Quad-core 1.8 GHz Kryo 485
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ChipsetSpreadtrum SC7731CQualcomm SDM855 Snapdragon 855+
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GPUMali-400 MP1Adreno 640
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Memory RAM1 GB8, 12 GB
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Internal storage8 GB256 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB256 GB
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Storage-UFS 3.0
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OS
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OSAndroid 7.0 NougatColorOS 6.1 (Android 9.0 Pie)
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Selfie camera
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Selfie camera0.31 MP16 MP, f/2.0 , 26 mm, 1/3.1" , 1.0 µm
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Selfie camera resolution640 x 480 pixels4608 x 3456 pixels
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Selfie camera video480p@30fps MP1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM RadioFM Radio
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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
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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Wi-Fi display-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth EDR-Yes
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NFC-Yes
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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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Beidou-Yes
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Features
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SensorsAccelerometerAccelerometer, compass, fingerprint, gyroscope, light, 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 capacity2200 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-SuperVOOC 2.0 (100% in 30 min)
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Main camera
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Camera type-Quad
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Main camera48 MP, f/1.7 , 1/2.0" , 0.8 µm, 2x optical zoom
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13 MP, f/2.4 , 1/3.4" , 1.0 µm
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8 MP, f/2.2 , 1/3.2" , 1.4 µm
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2 MP, f/2.4 , 1/5" , 1.75 µm
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video-2160p@30/60fps, 1080p@30/60/120fps (gyro-EIS); video rec. only with main camera
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Primary camera flash-LED flash
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Camera features-Autofocus, 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
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Cost
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Price-410 USD
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