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Brief information about compared phones: vivo NEX A , vivo X21ivivo 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. vivo X21i 2018 year of release, cpu Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53), screen 6.28", with resolution 1080x2280. Smartphone has 24 megapixel front camera and 12 megapixel main camera. |
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| Display | Technology | Super AMOLED | Super AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 6.59" inch | 6.28" inch | ||
| Screen area | 107.3 cm2 | 98.4 cm2 | ||
| Screen format | (height:width) | 19:9 (height:width) | ||
| Screen to body ratio | 86.0% | 85.0% | ||
| Screen resolution | 1080 x 2316 px | 1080 x 2280 px | ||
| PPI /points per inch/ | 0 PPI | 402 PPI | ||
| Camera and Video | Rear camera, main | 12 MP, Dual | 12 MP, Dual | |
| Camera specs | 12 MP, f/1.8, 1/2.55'', 1.4µm, 4-axis OIS, dual pixel PDAF -5 MP, f/2.4, depth sensor | 12 MP, f/1.8, 1/2.55'', 1.4µm, dual pixel PDAF -5 MP, f/2.0, depth sensor | ||
| Functions | Dual-LED dual-tone flash, HDR, panorama | LED flash, HDR, panorama | ||
| Video | 1080p@30fps | 1080p@30fps | ||
| Front camera, selfie | 8 MP, Single | 24 MP, Single | ||
| Specifications | Motorized pop-up 8 MP, f/2.0 | 24 MP | ||
| Performance | Operating system OS | Android 8.1 (Oreo); Funtouch 4 | Android 8.1 (Oreo); Funtouch 4 | |
| Chipset | Qualcomm SDM710 Snapdragon 710 (10 nm) | Mediatek MT6771 Helio P60 (12 nm) | ||
| Processor CPU | Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver) | Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) | ||
| Graphics processor GPU | Adreno 616 | Mali-G72 MP3 | ||
| External memory | No | microSD, up to 256 GB (uses SIM 2 slot) | ||
| Internal memory | 128 GB, 6 GB RAM | 128 GB, 4 GB RAM 64 GB, 6 GB RAM | ||
| Antutu 7 score | 130256 | |||
| GeekBench 4 Single Core | 1855 | 1497 | ||
| GeekBench 4 Multi-Core | 5940 | 5759 | ||
| General specs | Release date | 2018, June | 2018, May | |
| Dimensions (HxWxD) | 162 Х 77 Х 8 mm | 154.4 Х 75 Х 7 mm | ||
| Weight | 199 g | 159 g | ||
| Colors | Black, Red | Black, Aurora White, Ruby Red, Night Purple | ||
| Battery | 4000 mAh, Non-removable Li-Ion | 3425 mAh, Non-removable Li-Ion | ||
| Approximate price | 600 EUR | 430 EUR | ||
| Communication and Connectivity | SIM card | Dual SIM (Nano-SIM, dual stand-by) | Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Network | 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) | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE-A Cat15 800/150 Mbps | HSPA, LTE | ||
| 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 | ||
| 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 | 5.0, A2DP, LE | ||
| Music and Audio | Radio | To be confirmed | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | 32-bit/192kHz audio -Active noise cancellation with dedicated mic | 32-bit/192kHz audio -Active noise cancellation with dedicated mic | ||
| Other features | Dop | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass - Fast battery charging 22W | Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass - Fast battery charging | |
