Digma Optima Prime 4 3G vs Google Pixel 4a 5G
Digma Optima Prime 4 3G
Google Pixel 4a 5G
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G network-LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 46, 48, 66, 71
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5G network-5G band 1, 2, 3, 5, 7, 8, 12, 28, 41, 66, 71, 77, 78 Sub6, mmWave (market dependent)
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speed-LTE-A (CA)
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42020-09
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Status2018-42020-11
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Design
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BuildPlasticGlass front (Gorilla Glass 3), plastic back, plastic frame
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Nano-SIM and/or eSIM
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Height107.8 mm153.9 mm
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Width188 mm74 mm
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Thickness10 mm8.2 mm
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Weight270 g168 g
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ColorsBlackBlack
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Display
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Display typeTNOLED
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Physical size7 inches6.2 inches
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Resolution1024 x 600 pixels1080 x 2340 pixels
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Pixel density170 ppi413 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 3
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MultitouchYes-
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Display features-Always-on display, HDR
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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 GB6 GB
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Internal storage8 GB128 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 NougatAndroid 11
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Selfie camera
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Selfie camera0.31 MP8 MP, (wide) , f/2.0 , 24 mm, 1/4.0" , 1.12 µm
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Selfie camera resolution640 x 480 pixels3264 x 2448 pixels
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Selfie camera features-Face unlock, HDR
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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, 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
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 3.1
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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 AptX-aptX HD
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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, 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-Po
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Battery capacity2200 mAh3885 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Power Delivery 2.0
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Main camera
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Camera type-Dual
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Main camera(wide) , 12 MP, f/1.7 , 27 mm, 1/2.55" , 1.4 µm
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(ultrawide) , 16 MP, f/2.2 , 107˚ , 1.0 µm
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Primary camera resolution-4032 x 3024 pixels
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Primary camera video-4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS
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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, phase detection autofocus
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Tests and performance
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Antutu-330500 (v8)
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Geekbench(single-core)-610 (v5.2)
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Geekbench(multi-core)-1553 (v5.2)
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SAR value
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SAR(head)-1.2 W/kg
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SAR(body)-1.2 W/kg
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SAR EU(head)-0.94 W/kg
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SAR EU(body)-1.4 W/kg
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Cost
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Price-500 USD
