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Brief information about compared phones: T-Mobile Sidekick 4G , Xiaomi Redmi Note 5 (Redmi 5 Plus)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. Xiaomi Redmi Note 5 (Redmi 5 Plus) 2018 year of release, cpu Octa-core 2.0 GHz Cortex-A53, screen 5.99", with resolution 1080x2160. Smartphone has 5 megapixel front camera and 12 megapixel main camera. |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 3.5" inch | 5.99" inch | ||
| Screen area | 34.9 cm2 | 92.6 cm2 | ||
| Screen format | 5:3 (height:width) | 18:9 (height:width) | ||
| Screen to body ratio | 45.0% | 77.4% | ||
| Screen resolution | 480 x 800 px | 1080 x 2160 px | ||
| PPI /points per inch/ | 267 PPI | 403 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 12 MP, Single | |
| Camera specs | 3.15 MP, AF | 12 MP, f/2.2, 1.25 µm, dual pixel PDAF | ||
| Functions | Dual-LED dual-tone flash, HDR, panorama | |||
| Video | 480p@30fps | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 5 MP, Single | ||
| Specifications | VGA | 5 MP | ||
| Performance | Operating system OS | Android 2.2 (Froyo) | Android 7.1.2 (Nougat), upgradable to Android 8.1 (Oreo); MIUI 10 | |
| Chipset | Hummingbird | Qualcomm MSM8953 Snapdragon 625 (14 nm) | ||
| Processor CPU | 1.0 GHz Cortex-A8 | Octa-core 2.0 GHz Cortex-A53 | ||
| Graphics processor GPU | PowerVR SGX540 | Adreno 506 | ||
| External memory | microSD, up to 32 GB (dedicated slot), 2 GB included | microSD, up to 128 GB (uses SIM 2 slot) | ||
| Internal memory | 1 GB, 512 MB RAM | 64 GB, 4 GB RAM 32 GB, 3 GB RAM | ||
| Antutu 8 score | 93658 | |||
| General specs | Release date | 2011, March | 2018, February | |
| Dimensions (HxWxD) | 127 Х 61 Х 15 mm | 158.5 Х 75.5 Х 8.1 mm | ||
| Weight | 162 g | 180 g | ||
| Colors | Matte Black, Pearl magenta | Black, Gold, Blue, Rose Gold | ||
| Battery | 1500 mAh, Removable Li-Ion | 4000 mAh, Non-removable Li-Po | ||
| Approximate price | 310 EUR | 160 EUR | ||
| Battery life | Stand by time- Up to 456 h Talking time- Up to 6 h 30 min | |||
| Body build | Front glass, aluminum frame & back, plastic ends | |||
| Communication and Connectivity | SIM card | Mini-SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) - India LTE band 1(2100), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 41(2500) - China | ||
| Speed | HSPA 7.2/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, BDS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 3.0, A2DP | 4.2, A2DP, LE | ||
| Harmful irradiation | SAR - 0.34 W/kg (head) 0.96 W/kg (body) | |||
| Music and Audio | Radio | Nо | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | 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 | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, Infrared port - Charging 5V/2A 10W - Versions: Redmi Note 5 (Global); Redmi 5 Plus (China) | |
