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BLU J4 vs OnePlus 2

 
Brief information about compared phones: BLU J4 , OnePlus 2

BLU J4 2019 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 5.5". with resolution 720x1440. Smartphone has 8 megapixel front camera and 8 megapixel main camera .

OnePlus 2 2015 year of release. cpu Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57). screen 5.5". with resolution 1080x1920. Smartphone has 5 megapixel front camera and 13 megapixel main camera .

Display Technology IPS LCD LTPS IPS LCD
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 5.5" inch 5.5" inch
Screen area 78.1 cm2 83.4 cm2
Screen format 18:9 (height:width) 16:9 (height:width)
Screen to body ratio 71.5% 73.3%
Screen resolution 720 x 1440 px 1080 x 1920 px
PPI /points per inch/ 293 PPI 401 PPI
Screen protection Corning Gorilla Glass 3
Camera and Video Rear camera, main 8 MP, Single 13 MP, Single
Camera specs 8 MP, AF 13 MP, f/2.0, 1/2.6'', 1.3µm, OIS, laser AF
Functions LED flash Dual-LED flash, panorama, HDR
Video 720p@30fps 720p@30fps
Front camera, selfie 8 MP, Single 5 MP, Single
Specifications 8 MP 5 MP, f/2.4
Performance Operating system OS Android 8.1 Oreo (Go edition) Android 5.1 (Lollipop), upgradable to 6.0.1 (Marshmallow); Oxygen 3.5.6 UI
Chipset Qualcomm MSM8994 Snapdragon 810 (20 nm)
Processor CPU Quad-core 1.3 GHz Cortex-A7 Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57)
Graphics processor GPU Mali-400 Adreno 430
External memory microSDXC No
Internal memory 32GB 1GB RAM 16 GB, 3 GB RAM64 GB, 512GB 4GB
Antutu 7 score 91253
GeekBench 4 Single Core 1050
GeekBench 4 Multi-Core 2740
GeekBench 4 RenderScript 3510
GeekBench 4 Battery 1209
GeekBench 5 Single Core 208
GeekBench 5 Multi-Core 591
General specs Release date 2019, October 2015, July
Dimensions (HxWxD) 151 Х 72.3 Х 10 mm 151.8 Х 74.9 Х 9.9 mm
Weight 158 g 175 g
Colors Blue, Black, Brown Sandstone Black
Battery 2200 mAh,  Removable Li-Po 3300 mAh,  Non-removable Li-Po
Approximate price 70 EUR 300 EUR
Body build aluminum frame, plastic back
Communication and Connectivity SIM card Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
Network Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
Speed HSPA 21.1/5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
GPRS Yes Yes
Edge Yes Yes
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, hotspot
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS
NFC
USB microUSB 2.0 2.0, Type-C 1.0 reversible connector
Bluetooth 4.1, A2DP, LE 4.1, A2DP
Harmful irradiation SAR EU - 0.43 W/kg (head)     0.20 W/kg (body)    
Music and Audio Radio FM radio No
Headphone jack Yes Yes
Others Active noise cancellation with dedicated mic
Other features Dop Sensors Accelerometer For USA Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass - Also known as OnePlus Two

An overview of the main advantages of each of the devices

Reasons to buy J4
  • Screen 5.5"
  • Front camera 8 MP
  • External memory microSDXC GB
Reasons to buy 2
  • Screen 5.5"
  • Internal memory 512 GB