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Brief information about compared phones: Asus Zenfone 4 Pro ZS551KL , Nokia N93iAsus Zenfone 4 Pro ZS551KL 2017 year of release, cpu Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo), screen 5.5", with resolution 1080x1920. Smartphone has 8 megapixel front camera and 12 megapixel main camera. Nokia N93i 2007 year of release, cpu 332 MHz Dual ARM 11, screen 2.4", with resolution 240x320. Smartphone has 0 megapixel front camera and 3 megapixel main camera. |
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| Display | Technology | AMOLED | TFT | |
| Touchscreen | capacitive touchscreen | |||
| Display colors | 16M | 16M | ||
| Screen size | 5.5" inch | 2.4" inch | ||
| Screen area | 83.4 cm2 | 17.8 cm2 | ||
| Screen format | 16:9 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 70.3% | 28.5% | ||
| Screen resolution | 1080 x 1920 px | 240 x 320 px | ||
| PPI /points per inch/ | 401 PPI | 167 PPI | ||
| Screen protection | Corning Gorilla Glass 5 | |||
| Camera and Video | Rear camera, main | 12 MP, Dual | 3.15 MP, Single | |
| Camera specs | 12 MP, f/1.7, 25mm (wide), 1/2.55'', 1.4µm, 4-axis OIS, dual pixel PDAF & laser AF -16 MP, 50mm (telephoto), 1/3.1'', 1.0µm, 2x optical zoom, AF | 3.15 MP, 3x optical zoom, AF | ||
| Functions | HDR | Carl Zeiss optics, LED flash | ||
| Video | 1080p@30fps | 480p@30fps | ||
| Front camera, selfie | 8 MP, Single | 0.3 MP, Single | ||
| Specifications | 8 MP, f/1.9, 1/3.2'', 22mm (wide), 1.4µm, PDAF | CIF videocall camera | ||
| Performance | Operating system OS | Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo); ZenUI 4 | Symbian OS 9.1, S60 3rd edition | |
| Chipset | Qualcomm MSM8998 Snapdragon 835 (10 nm) | |||
| Processor CPU | Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo) | 332 MHz Dual ARM 11 | ||
| Graphics processor GPU | Adreno 540 | 3D Graphics HW Accelerator | ||
| External memory | microSD, up to 512 GB (uses SIM 2 slot) | miniSD | ||
| Internal memory | 64/128 GB, 6 GB RAM | 50 MB, 64 MB RAM | ||
| General specs | Release date | 2017, August | 2007, January | |
| Dimensions (HxWxD) | 156.9 Х 75.6 Х 7.6 mm | 108 Х 58 Х 25 mm | ||
| Weight | 175 g | 163 g | ||
| Colors | Moonlight White, Pure Black | Silver, Black | ||
| Battery | 3600 mAh, Non-removable Li-Ion | 950 mAh, Removable Li-Ion | ||
| Approximate price | 390 EUR | 340 EUR | ||
| Battery life | Talking time- Up to 27 h 30 min (3G) | Stand by time- Up to 280 h (2G) / 216 h (3G) Talking time- Up to 3 h 30 min (2G) / 3 h 18 min (3G) | ||
| Body build | Front/back glass (Gorilla Glass 5) & aluminum frame | |||
| Communication and Connectivity | SIM card | Hybrid 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 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Global, Taiwan LTE band 1(2100), 12(700), 18(800), 26(850), 29(700), 30(2300), 41(2500) - US, Canada, Brazil LTE band 1(2100), 41(2500) - India | Show all network frequencies: -2G - GSM 900 / 1800 / 1900 | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps | Yes, 384 kbps | ||
| GPRS | Yes | Class 32, 107.2/64.2 kbps | ||
| Edge | Yes | Class 32, 296 kbps; DTM Class 11, 236.8 kbps | ||
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11b/g | ||
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | No | ||
| NFC | Yes | |||
| USB | Type-C 1.0 reversible connector | Pop-Port 2.0 | ||
| Bluetooth | 5.0, A2DP, EDR, LE, aptX | 2.0, A2DP (latest firmware only) | ||
| Harmful irradiation | SAR - 0.37 W/kg (head) 0.53 W/kg (body) SAR EU - 0.65 W/kg (head) | |||
| Music and Audio | Radio | FM radio | Stereo FM radio | |
| Headphone jack | Yes | No | ||
| Others | 24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic | Second 65K colors OLED display (128 x 36 pixels) -Twist and rotating screen -Downloadable themes | ||
| Other features | Dop | Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum , Infrared port - Fast battery charging: 50% in 32 min | , Infrared port - Video download -UPnP technology -Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Predictive text input -TV-out -Voice command/memo -Organizer -Printing -Photo/video editor | |
