Digma Optima Prime 4 3G vs Oppo Reno 4 5G
Digma Optima Prime 4 3G
Oppo Reno 4 5G
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 1900HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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4G network-LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41
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5G network-5G band 1, 3, 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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LTE speed-LTE-A
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5G speed-3.7 Gbps download, 1.6 Gbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42020-06
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Status2018-42020-06
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Design
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BuildPlasticGlass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height107.8 mm159.3 mm
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Width188 mm74 mm
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Thickness10 mm7.8 mm
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Weight270 g183 g
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ColorsBlackBlack, Blue, Purple
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Display
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Display typeTNAMOLED
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Physical size7 inches6.55 inches
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Resolution1024 x 600 pixels1080 x 2400 pixels
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Pixel density170 ppi409 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 6
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MultitouchYes-
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Display features-430 nits typ. brightness
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.2 GHz Cortex-A7Single-core 2.4 GHz Kryo 475 Prime
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CPU(second)Single-core 2.2 GHz Kryo 475 Gold
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CPU(third)Hexa-core 1.8 GHz Kryo 475 Silver
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ChipsetSpreadtrum SC7731CQualcomm SDM765 Snapdragon 765G
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GPUMali-400 MP1Adreno 620
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Memory RAM1 GB8 GB
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Internal storage8 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max64 GB-
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Storage-UFS 2.1
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OS
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OSAndroid 7.0 NougatColorOS 7.2 (Android 10.0)
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Selfie camera
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Selfie camera type-Dual
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Selfie camera0.31 MP32 MP, f/2.4 , 26 mm, 1/2.8" , 0.8 µm
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Selfie camera resolution640 x 480 pixels6560 x 4928 pixels
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Selfie camera video480p@30fps MP1080p@30fps, gyro-EIS
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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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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Bluetoothv4.0v5.1
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Bluetooth A2DPYesYes
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bluetooth LE-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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BDS-Yes
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QZSS-Yes
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Features
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SensorsAccelerometerAccelerometer, 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-Po
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Battery capacity2200 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Super VOOC 2.0(60% in 15 min, 100% in 36 min)
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Main camera
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Camera type-Triple
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Main camera48 MP, f/1.7 , 26 mm, 1/2.0" , 0.8 µm
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8 MP, f/2.2 , 1/4.0" , 1.12 µm
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2 MP, f/2.4
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video-4K@30fps, 1080p@30/60/120fps; gyro-EIS, HDR
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Primary camera flash-LED flash
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Camera features-Autofocus, continuous 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, macro mode, phase detection autofocus, contrast detection autofocus
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DxOMark photo-104
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DxOMark zoom-53
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DxOMark video-102
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DxOMark camera score-105
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Cost
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Price-430 USD
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