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vivo NEX Dual Display vs Samsung Galaxy Z Flip

 
Brief information about compared phones: Samsung Galaxy Z Flip , vivo NEX Dual Display

Samsung Galaxy Z Flip 2020 year of release, cpu Octa-core (1x2.95 GHz Kryo 485 & 3x2.41 GHz Kryo 485 & 4x1.78 GHz Kryo 485), screen 6.7", with resolution 1080x2636. Smartphone has 10 megapixel front camera and 12 megapixel main camera.

vivo NEX Dual Display 2018 year of release, cpu Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver), screen 6.39", with resolution 1080x2340. Smartphone has 12 megapixel front camera and 12 megapixel main camera.

Display Technology Foldable Dynamic AMOLED Super AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 6.7" inch 6.39" inch
Screen area 101.6 cm2 100.2 cm2
Screen format 21.9:9 (height:width) 19.5:9 (height:width)
Screen to body ratio 82.5% 84.7%
Screen resolution 1080 x 2636 px 1080 x 2340 px
PPI /points per inch/ 425 PPI 403 PPI
Camera and Video Rear camera, main 12 MP, Dual 12 MP, Triple
Camera specs 12 MP, f/1.8, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS -12 MP, f/2.2, 12mm (ultrawide), 1.12µm 12 MP, f/1.8, 1/2.55'', 1.4µm, 4-axis OIS, Dual Pixel PDAF -2 MP, depth sensor -TOF camera, f/1.3
Functions HDR LED flash, HDR, panorama
Video 2160p@30fps 2160p@30fps, 1080p@30fps
Front camera, selfie 10 MP, Single 12 MP, Triple
Specifications 10 MP, f/2.4, 26mm (wide), 1.22µm Uses main cameras
Performance Operating system OS Android 10.0; One UI 2 Android 9.0 (Pie); Funtouch 4.5
Chipset Qualcomm SM8150 Snapdragon 855+ (7 nm) Qualcomm SDM845 Snapdragon 845 (10 nm)
Processor CPU Octa-core (1x2.95 GHz Kryo 485 & 3x2.41 GHz Kryo 485 & 4x1.78 GHz Kryo 485) Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU Adreno 640 (700 MHz) Adreno 630
External memory No No
Internal memory 256GB 8GB RAM 128 GB, 10 GB RAM
Antutu 8 score 455547 340355
General specs Release date 2020, February 11 2018, December
Dimensions (HxWxD) 167.3 Х 73.6 Х 7.2 mm 157.2 Х 75.3 Х 8.1 mm
Weight 183 g 199 g
Colors Mirror Black, Mirror Purple, Mirror Gold, Thom Browne Edition Polar Blue
Battery 3300 mAh,  Non-removable Li-Po 3500 mAh,  Non-removable Li-Ion
Approximate price 1500 EUR 700 EUR
Body build Plastic front, glass back (Gorilla Glass 6), aluminum frame
Communication and Connectivity SIM card Nano-SIM, eSIM Dual SIM (Nano-SIM, dual stand-by)
Network Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 14(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 46(5200), 66(1700/2100), 71(600) Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2  CDMA 800 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 19(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)
Speed HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat16 1000/150 Mbps HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps
GPRS Yes Yes
Edge Yes Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, BDS, GNSS
NFC Yes
USB 3.1, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector, USB On-The-Go
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
Harmful irradiation SAR - 0.54 W/kg (head) 0.96 W/kg (body) SAR EU - 0.54 W/kg (head) 0.96 W/kg (body)
Music and Audio Radio No
Headphone jack No Yes
Others HDR10+ -Cover display: 1.1", Super AMOLED, 112 x 300 pixels Secondary display (on the back): -Super AMOLED, 5.49 inches, 1080 x 1920 pixels
Other features Dop Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer - Fast battery charging 15W -Wireless charging - Samsung Pay (Visa, MasterCard certified) -Folded: 87.4 x 73.6 x 17.3 mm Sensors Fingerprint (under display), accelerometer, gyro, proximity, compass - Fast battery charging 10V/2.25A 22.5W

An overview of the main advantages of each of the devices

Reasons to buy Galaxy Z Flip
  • Screen 6.7"
  • Front camera 10 MP
  • Internal memory 256 GB
  • RAM 8 GB
Reasons to buy NEX Dual Display
  • Screen 6.39"
  • Front camera 12 MP