vivo NEX Dual Display vs vivo Z3i Comparison and Differences
Smartphone 1
                                            vivo NEX Dual Display
Smartphone 2
                                            vivo Z3i
Smartphone 3
vivo NEX Dual Display or vivo Z3i Specs Comparison
 
                                                   
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Common specs
                                            | Brand and model | vivo NEX Dual Display | vivo Z3i | |
| Rating | (+0) | (+0) | |
| Release date | 2018, December | 2018, October | |
| Dimensions (HxWxD) | 157.2 x 75.3 x 8.1 mm | 6.19 x 6.19 x 2.96 in | 156 x 75.6 x 8.1 mm | 6.14 x 6.14 x 2.98 in | |
| Weight | 199 g | 7.02 oz | 164 g | 5.78 oz | |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Polar Blue | Aurora blue, Millenium Pink | |
| Battery | 3500 mAh, Non-removable Li-Ion | 3315 mAh, Non-removable Li-Po | |
| Approximate price | 700 EUR | 350 EUR | |
| Check price | from Amazon | from Amazon | 
Screen
                                                                                        | Technology | Super AMOLED | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 6.39" in | 6.3" in | |
| Screen area | 100.2 cm2 | 99.1 cm2 | |
| Screen format | 19.5:9 (height:width) | 19:9 (height:width) | |
| Screen to body ratio | 84.7% | 84.0% | |
| Screen resolution | 1080 x 2340 px | 1080 x 2280 px | |
| Screen PPI /points per inch/ | 403 PPI | 400 PPI | |
| Other specs |  - Secondary display (on the back): -Super AMOLED, 5.49 inches, 1080 x 1920 pixels  | 
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| Screen protector | buy from Amazon | buy from Amazon | 
Camera and Video
                                            | Rear camera, main | 12 MP, Triple | 16 MP, Dual | |
| Camera specs | -12 MP, f/1.8, 1/2.55'', 1.4µm, 4-axis OIS, dual pixel PDAF -2 MP, f/1.8, depth sensor -TOF camera, f/1.3  | 
                                                    -16 MP, f/2.0, PDAF -2 MP, f/2.4, depth sensor  | 
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| Functions | LED flash, HDR, panorama | LED flash, HDR, panorama | |
| Video | 2160p@30fps, 1080p@30fps | 1080p@30fps | |
| Front camera, selfie | 12 MP, Triple | 24 MP, Single | |
| Specifications | Uses main camera | 24 MP | |
| Functions | HDR | ||
| Video | 1080p@30fps | 
Performance
                                            | Operating system - OS | Android 9.0 (Pie); Funtouch 4.5 | Android 8.1 (Oreo) | |
| Chipset | - Qualcomm SDM845 Snapdragon 845 (10 nm) | - Mediatek MT6771 Helio P60 (12 nm) | |
| CPU | - Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) | - Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) | |
| GPU | Adreno 630 | Mali-G72 MP3 | |
| External memory | No | microSD, up to 256 GB (dedicated slot) | |
| Internal memory | 128 GB, 10 GB RAM | 128 GB, 6 GB RAM | 
Benchmark
                                            | Antutu 8 Total | 340355 | ||
| Antutu 7 Total | 
Communication and Connectivity
                                            | SIM card | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | GSM / CDMA / HSPA / LTE | GSM / CDMA / HSPA / LTE | |
| Bands |                                                             -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)  | 
                                                                                                                -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2  CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)  | 
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| Speed | HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps | HSPA, LTE-A | |
| 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, WiFi Direct, hotspot | |
| GPS | Yes, with A-GPS, BDS, GNSS | Yes, with A-GPS, GLONASS, BDS | |
| NFC | |||
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | microUSB 2.0, USB On-The-Go | |
| Bluetooth | 5.0, A2DP, LE | 4.2, A2DP, EDR, LE, aptX | 
Music and Audio
                                            | Radio | No | FM radio | |
| Headphone jack | Yes | Yes | |
| Others | - 32-bit/192kHz audio -Active noise cancellation with dedicated mic  | 
                                                        - Active noise cancellation with dedicated mic | 
Other features
                                            | Sensors | - Fingerprint (under display), accelerometer, gyro, proximity, compass | - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | |
| Other extras | 
                                                                                                                 - Fast battery charging 10V/2.25A 22.5W  | 
                                                    
                                                                                                                 - Fast battery charging 9V/2A 18W  | 
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| Versions | 
                                                             - For China  | 
                                                        
Reviews and Opinions on vivo NEX Dual Display and vivo Z3i
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