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Brief information about compared phones: Acer Liquid E1 , Xiaomi Redmi Note 9 ProAcer Liquid E1 2013 year of release. cpu Dual-core 1.0 GHz Cortex-A9. screen 4.5". with resolution 540x960. Smartphone has 0 megapixel front camera and 5 megapixel main camera . Xiaomi Redmi Note 9 Pro 2020 year of release. cpu Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver). screen 6.67". with resolution 1080x2400. Smartphone has 16 megapixel front camera and 48 megapixel main camera . |
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| Display | Technology | IPS LCD | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 4.5" inch | 6.67" inch | ||
| Screen area | 55.8 cm2 | 107.4 cm2 | ||
| Screen format | 16:9 (height:width) | 20:9 (height:width) | ||
| Screen to body ratio | 61.7% | 84.5% | ||
| Screen resolution | 540 x 960 px | 1080 x 2400 px | ||
| PPI /points per inch/ | 245 PPI | 395 PPI | ||
| Screen protection | Corning Gorilla Glass 5 | |||
| Camera and Video | Rear camera, main | 5 MP, Single | 48 MP, Quad | |
| Camera specs | 5 MP, AF | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF -8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm -5 MP, f/2.4, (macro), 1.12µm -2 MP, (depth) | ||
| Functions | Dual-LED flash | HDR, panorama | ||
| Video | 720p@30fps | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 16 MP, Single | ||
| Specifications | 2 MP or VGA | 16 MP, f/2.5, (wide), 1.0µm | ||
| Performance | Operating system OS | Android 4.1.1 (Jelly Bean) | Android 10.0; MIUI 11 | |
| Chipset | Mediatek MT6577 (40 nm) | Qualcomm SM7125 Snapdragon 720G (8 nm) | ||
| Processor CPU | Dual-core 1.0 GHz Cortex-A9 | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) | ||
| Graphics processor GPU | SGX531u | Adreno 618 | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSDXC (dedicated slot) | ||
| Internal memory | 4 GB, 1 GB RAM | 64GB 4GB RAM, 128GB 6GB RAM | ||
| Antutu 8 score | 275962 | |||
| General specs | Release date | 2013, January | 2020, March 12 | |
| Dimensions (HxWxD) | 132 Х 68.5 Х 9.9 mm | 165.8 Х 76.7 Х 8.8 mm | ||
| Weight | 130 g | 209 g | ||
| Colors | Black, White | Aurora Blue, Glacier white, Interstellar Black | ||
| Battery | 1760 mAh, Removable Li-Ion | 5020 mAh, Non-removable Li-Po | ||
| Approximate price | 170 EUR | 160 EUR | ||
| Battery life | Stand by time- Up to 400 h Talking time- Up to 8 h | |||
| Body build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame | |||
| Communication and Connectivity | SIM card | Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-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 (dual-SIM model only)-3G - HSDPA-4G - LTE | 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), 8(900), 40(2300), 41(2500) | ||
| Speed | HSPA 42.2/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE-A | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC | ||
| NFC | Yes (single sim model only) | |||
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector | ||
| Bluetooth | 3.0, A2DP, EDR | 5.0, A2DP, LE | ||
| Harmful irradiation | SAR EU - 0.47 W/kg (head) | |||
| Music and Audio | Radio | FM radio | FM radio, recording | |
| Headphone jack | Yes | Yes | ||
| Others | 21 MP | 450 nits typ. brightness (advertised) | ||
| Other features | Dop | Sensors Accelerometer, gyro, proximity, compass - Also available as Acer Liquid E1 Dual with dual SIM card slot | Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, Infrared port - Fast charging 18W - Splash-proof | |
