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vivo NEX A vs Asus Zenfone 4 Pro ZS551KL

 
Brief information about compared phones: Asus Zenfone 4 Pro ZS551KL , vivo NEX A

Asus Zenfone 4 Pro ZS551KL 2017 year of release, cpu Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo), screen 5.5", with resolution 1080x1920. Smartphone has 8 megapixel front camera and 12 megapixel main camera.

vivo NEX A 2018 year of release, cpu Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver), screen 6.59", with resolution 1080x2316. Smartphone has 8 megapixel front camera and 12 megapixel main camera.

Display Technology AMOLED Super AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 5.5" inch 6.59" inch
Screen area 83.4 cm2 107.3 cm2
Screen format 16:9 (height:width) (height:width)
Screen to body ratio 70.3% 86.0%
Screen resolution 1080 x 1920 px 1080 x 2316 px
PPI /points per inch/ 401 PPI 0 PPI
Screen protection Corning Gorilla Glass 5
Camera and Video Rear camera, main 12 MP, Dual 12 MP, Dual
Camera specs 12 MP, f/1.7, 25mm (wide), 1/2.55'', 1.4µm, 4-axis OIS, dual pixel PDAF & laser AF -16 MP, 50mm (telephoto), 1/3.1'', 1.0µm, 2x optical zoom, AF 12 MP, f/1.8, 1/2.55'', 1.4µm, 4-axis OIS, dual pixel PDAF -5 MP, f/2.4, depth sensor
Functions HDR Dual-LED dual-tone flash, HDR, panorama
Video 1080p@30fps 1080p@30fps
Front camera, selfie 8 MP, Single 8 MP, Single
Specifications 8 MP, f/1.9, 1/3.2'', 22mm (wide), 1.4µm, PDAF Motorized pop-up 8 MP, f/2.0
Performance Operating system OS Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo); ZenUI 4 Android 8.1 (Oreo); Funtouch 4
Chipset Qualcomm MSM8998 Snapdragon 835 (10 nm) Qualcomm SDM710 Snapdragon 710 (10 nm)
Processor CPU Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo) Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU Adreno 540 Adreno 616
External memory microSD, up to 512 GB (uses SIM 2 slot) No
Internal memory 64/128 GB, 6 GB RAM 128 GB, 6 GB RAM
GeekBench 4 Single Core 1855
GeekBench 4 Multi-Core 5940
General specs Release date 2017, August 2018, June
Dimensions (HxWxD) 156.9 Х 75.6 Х 7.6 mm 162 Х 77 Х 8 mm
Weight 175 g 199 g
Colors Moonlight White, Pure Black Black, Red
Battery 3600 mAh,  Non-removable Li-Ion 4000 mAh,  Non-removable Li-Ion
Approximate price 390 EUR 600 EUR
Battery life Talking time- Up to 27 h 30 min (3G)
Body build Front/back glass (Gorilla Glass 5) & aluminum frame
Communication and Connectivity SIM card Hybrid 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 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Global, Taiwan  LTE band 1(2100), 12(700), 18(800), 26(850), 29(700), 30(2300), 41(2500) - US, Canada, Brazil  LTE band 1(2100), 41(2500) - India Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2  CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
Speed HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps HSPA 42.2/5.76 Mbps, LTE-A Cat15 800/150 Mbps
GPRS Yes Yes
Edge Yes Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, BDS, GNSS
NFC Yes
USB Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go
Bluetooth 5.0, A2DP, EDR, LE, aptX 5.0, A2DP, LE
Music and Audio Radio FM radio To be confirmed
Headphone jack Yes Yes
Others 24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features Dop Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum , Infrared port - Fast battery charging: 50% in 32 min Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass - Fast battery charging 22W

An overview of the main advantages of each of the devices

Reasons to buy Zenfone 4 Pro ZS551KL
  • Screen 5.5"
  • Front camera 8 MP
  • External memory microSD GB
Reasons to buy NEX A
  • Screen 6.59"
  • Front camera 8 MP