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Brief information about compared phones: Oppo Reno4 Z 5G , T-Mobile Sidekick 4GOppo Reno4 Z 5G 2020 year of release, cpu - Octa-core (4x2.0 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55), screen 6.57", with resolution 1080x2400. Smartphone has 16 megapixel front camera and 48 megapixel main camera. T-Mobile Sidekick 4G 2011 year of release, cpu 1.0 GHz Cortex-A8, screen 3.5", with resolution 480x800. Smartphone has 0 megapixel front camera and 3 megapixel main camera. |
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| Display | Technology | LTPS IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 6.57" inc | 3.5" inch | ||
| Screen area | 104.2 cm2 | 34.9 cm2 | ||
| Screen format | 20:9 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 84.3% | 45.0% | ||
| Screen resolution | 1080 x 2400 px | 480 x 800 px | ||
| PPI /points per inch/ | 267 PPI | |||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 48 MP, Quad | 3.15 MP, Single | |
| Camera specs | -48 MP, f/1.7, 26mm (wide), 1/2.0'', 0.8µm, PDAF -8 MP, f/2.2, 119˚ (ultrawide), 1/4.0'', 1.12µm -2 MP, f/2.4, (macro) -2 MP, (depth) | 3.15 MP, AF | ||
| Functions | HDR | |||
| Video | 1080p@30fps | 480p@30fps | ||
| Front camera, selfie | 16 MP, Dual | 0.3 MP, Single | ||
| Specifications | 16 MP, f/2.0, 26mm (wide), 1/3.06'', 1.0µm 2 MP, f/2.4, (depth) | VGA | ||
| Performance | Operating system OS | Android 10, ColorOS 7.2 | Android 2.2 (Froyo) | |
| Chipset | - MediaTek MT6873V Dimensity 800 5G (7 nm) | Hummingbird | ||
| Processor CPU | - Octa-core (4x2.0 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) | 1.0 GHz Cortex-A8 | ||
| Graphics processor GPU | - Mali-G57 MC4 | PowerVR SGX540 | ||
| External memory | No | microSD, up to 32 GB (dedicated slot), 2 GB included | ||
| Internal memory | 128GB 8GB RAM | 1 GB, 512 MB RAM | ||
| General specs | Release date | 2020, September 29 | 2011, March | |
| Dimensions (HxWxD) | 163.8 Х 75.5 Х 8.1 mm | 127 Х 61 Х 15 mm | ||
| Weight | 184 g | 162 g | ||
| Colors | Ink Black, Dew White | Matte Black, Pearl magenta | ||
| Battery | 4000 mAh, Li-Po, non-removable | 1500 mAh, Removable Li-Ion | ||
| Approximate price | 350 EUR | 310 EUR | ||
| Battery life | Stand by time- Up to 456 h Talking time- Up to 6 h 30 min | |||
| Communication and Connectivity | SIM card | Dual SIM (Nano-SIM, dual stand-by) | Mini-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 -5G - 1, 77, 78 SA/NSA | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | ||
| Speed | HSPA 42.2/11.5 Mbps, LTE-A, 5G 3.5 Gbps DL | HSPA 7.2/5.76 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 b/g/n, DLNA, hotspot | ||
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS | Yes, with A-GPS | ||
| NFC | Yes | |||
| USB | USB Type-C 2.0, USB On-The-Go | microUSB 2.0 | ||
| Bluetooth | 5.1, A2DP, LE, aptX HD | 3.0, A2DP | ||
| Harmful irradiation | SAR - 0.34 W/kg (head) 0.96 W/kg (body) | |||
| Music and Audio | Radio | No | Nо | |
| Headphone jack | Yes | Yes | ||
| Others | - 120Hz refresh rate -480 nits typ. value | |||
| Other features | Dop | - Sensors - Fingerprint (side-mounted), accelerometer, gyro, proximity, compass - Fast charging 18W | Sensors Accelerometer, proximity - T-Mobile TV -MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -ThinkFree Office document editor , PDF viewer -Voice memo -Predictive text input - Optical trackpad - Also known as T-Mobile T839 Sidekick 4G | |
