Comparison between:
- BLU Studio 7.0 II
- Posh Mobile Equal S700
- Nokia Lumia 1520
- Jiake M8
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| BLU Studio 7.0 II | Posh Mobile Equal S700 | Nokia Lumia 1520 | Jiake M8 | |
 |  |  |  | |
| Model alias | S490L S490U | S700A S700B | RM-937 RM-938 RM-939 | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 103 mm 10.3 cm 0.338 ft 4.055 in | 193.6 mm 19.36 cm 0.635 ft 7.622 in | 85.4 mm 8.54 cm 0.28 ft 3.362 in | 85 mm 8.5 cm 0.279 ft 3.346 in |
| Height | 187.5 mm 18.75 cm 0.615 ft 7.382 in | 103 mm 10.3 cm 0.338 ft 4.055 in | 162.8 mm 16.28 cm 0.534 ft 6.409 in | 165 mm 16.5 cm 0.541 ft 6.496 in |
| Thickness | 9.4 mm 0.94 cm 0.031 ft 0.37 in | 8.9 mm 0.89 cm 0.029 ft 0.35 in | 8.7 mm 0.87 cm 0.029 ft 0.343 in | 9 mm 0.9 cm 0.03 ft 0.354 in |
| Weight | 294 g 0.65 lbs 10.37 oz | 244 g 0.54 lbs 8.61 oz | 209 g 0.46 lbs 7.37 oz | 220 g 0.49 lbs 7.76 oz |
| Volume | 181.54 cm³ 11.02 in³ | 177.47 cm³ 10.78 in³ | 120.96 cm³ 7.35 in³ | 126.23 cm³ 7.67 in³ |
| Colors | Gray Gold Blue | Black White | White Black Yellow Red Green | Black Gold White |
| Body materials | Plastic | Plastic | - | Plastic |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | Mini-SIM | Micro-SIM | Nano-SIM | Mini-SIM Micro-SIM |
| Number of SIM cards | 1 | 2 | 1 | 2 |
| Features | - | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | - | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) |
Networks
A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.
| GSM | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| W-CDMA | - | - | - | W-CDMA 850 MHz W-CDMA 2100 MHz |
| UMTS | UMTS 850 MHz UMTS 1900 MHz UMTS 1700/2100 MHz (S490U) UMTS 2100 MHz (S490L) | UMTS 850 MHz UMTS 1900 MHz UMTS 1700/2100 MHz (S700A) UMTS 2100 MHz (S700B) | UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz | - |
| LTE | - | - | LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1900 MHz LTE 2100 MHz LTE 2600 MHz | - |
Mobile network technologies and bandwidth
Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.
| Mobile network technologies | UMTS EDGE GPRS HSPA+ | UMTS EDGE GPRS HSPA+ | UMTS EDGE Class B GPRS Class B HSPA LTE Cat 4 | UMTS EDGE GPRS HSPA+ |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Android 5.0 Lollipop | Android 4.4.2 KitKat | Microsoft Windows Phone 8 Black Microsoft Windows 10 Mobile | Android 4.4.2 KitKat |
System on Chip (SoC)
A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.
| SoC | MediaTek MT8382 | MediaTek MT8312 | Qualcomm Snapdragon 800 (MSM8974AA) | MediaTek MT6572W |
| Process technology | 28 nm | 28 nm | 28 nm | 28 nm |
| CPU | 4x 1.3 GHz ARM Cortex-A7 | 2x 1.3 GHz ARM Cortex-A7 | 4x 2.26 GHz Krait 400 | 2x 1.3 GHz ARM Cortex-A7 |
| CPU bits | 32 bit | 32 bit | 32 bit | 32 bit |
| Instruction set | ARMv7-A | ARMv7-A | ARMv7-A | ARMv7-A |
| Level 0 cache memory (L0) | - | - | 4 KB + 4 KB | - |
| Level 1 cache memory (L1) | 32 KB + 32 KB | 32 KB + 32 KB | 16 KB + 16 KB | 32 KB + 32 KB |
| Level 2 cache memory (L2) | 256 KB 0.25 MB | 256 KB 0.25 MB | 2048 KB 2 MB | 256 KB 0.25 MB |
| CPU cores | 4 | 2 | 4 | 2 |
| CPU frequency | 1300 MHz | 1300 MHz | 2260 MHz | 1300 MHz |
| GPU | ARM Mali-400 MP2 | ARM Mali-400 MP1 | Qualcomm Adreno 330 | ARM Mali-400 MP1 |
| GPU cores | 2 | 1 | 4 | 1 |
| GPU frequency | 500 MHz | 500 MHz | 450 MHz | 500 MHz |
| RAM capacity | 1 GB | 512 MB | 2 GB | 512 MB |
| RAM type | LPDDR3 | LPDDR2 | LPDDR3 | LPDDR2 |
| RAM channels | Single channel | Single channel | Double channel | Single channel |
| RAM frequency | 666 MHz | 533 MHz | 800 MHz | 266 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 8 GB | 4 GB | 32 GB | 4 GB |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | microSD microSDHC | microSD microSDHC microSDXC | microSD microSDHC microSDXC |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | IPS | IPS | IPS | IPS |
| Diagonal size | 7 in 177.8 mm 17.78 cm | 7 in 177.8 mm 17.78 cm | 6 in 152.4 mm 15.24 cm | 6 in 152.4 mm 15.24 cm |
| Width | 3.54 in 89.89 mm 8.99 cm | 6.04 in 153.41 mm 15.34 cm | 2.94 in 74.72 mm 7.47 cm | 2.94 in 74.72 mm 7.47 cm |
| Height | 6.04 in 153.41 mm 15.34 cm | 3.54 in 89.89 mm 8.99 cm | 5.23 in 132.83 mm 13.28 cm | 5.23 in 132.83 mm 13.28 cm |
| Aspect ratio | 1.707:1 | 1.707:1 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 600 x 1024 pixels | 1024 x 600 pixels | 1080 x 1920 pixels | 540 x 960 pixels |
| Pixel density | 170 ppi 66 ppcm | 170 ppi 66 ppcm | 367 ppi 144 ppcm | 184 ppi 72 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 71.63 % | 69.37 % | 71.61 % | 70.99 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch |
| - | - | Corning Gorilla Glass 2 ClearBlack display Refresh rate - 60 Hz 600 cd/m² Sunlight readability enhancements Anti-glare polariser | - |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Accelerometer | Accelerometer | Proximity Light Accelerometer Compass Gyroscope | Proximity Light Accelerometer |
Main rear camera
The main camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Sensor type | CMOS | CMOS | CMOS BSI | CMOS |
| Sensor size | - | - | 5.76 x 4.29 mm 0.28 in | - |
| Pixel size | - | - | 1.071 µm 0.001071 mm | - |
| Crop factor | - | - | 6.02 | - |
| Aperture | - | - | f/2.4 | - |
| Focal length and 35 mm equivalent | - | - | 4.32 mm 26.02 mm *(35 mm / full frame) | - |
| Flash type | - | LED | Dual LED | LED |
| Image resolution | 2592 x 1944 pixels 5.04 MP | 2592 x 1920 pixels 4.98 MP | 5376 x 3744 pixels 20.13 MP | 2592 x 1944 pixels 5.04 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Digital zoom | Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection Self-timer | Autofocus Continuous autofocus Continuous shooting Digital zoom Optical image stabilization Geotagging Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Dual capture | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Scene mode |
| - | - | Carl Zeiss optics 6-element lens - 1 glass + 5 plastic lenses | - |
Front camera
Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.
| Aperture | - | - | f/2.4 | - |
| Image resolution | 640 x 480 pixels 0.31 MP | - | 1280 x 960 pixels 1.23 MP | 1600 x 1200 pixels 1.92 MP |
| Video resolution | 640 x 480 pixels 0.31 MP | - | 1280 x 720 pixels 0.92 MP | - |
| Video FPS | - | - | 30 fps | - |
| - | 1.3 MP | - | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS | GPS A-GPS | GPS A-GPS S-GPS GLONASS Wi-Fi Cell ID | GPS A-GPS |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot | 802.11b 802.11g 802.11n Wi-Fi Hotspot |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.0 | 4.0 | 4.0 | 2.0 |
| Features | A2DP | A2DP | A2DP AVRCP GAVDP HFP OPP PBAP | A2DP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | Micro USB | Micro USB | Micro USB |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage | Charging Mass storage | Charging Mass storage | Charging Mass storage |
Headphone jack
The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.
| Headphone jack | Yes | Yes | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering NFC | Computer sync OTA sync Tethering |
Browser
A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.
| Browser | HTML HTML5 CSS 3 | HTML HTML5 CSS 3 | HTML HTML5 CSS 3 XML xHTML | HTML HTML5 CSS 3 |
Audio file formats/codecs
Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.
| Audio file formats/codecs | AAC eAAC+ MIDI MP3 WMA WAV | AAC AMR AMR-WB eAAC+ MIDI MP3 WMA WAV | AAC AMR AMR-WB eAAC+ M4A MP3 WMA WAV MP4 | AAC AMR eAAC+ MIDI MP3 WMA WAV |
Video file formats/codecs
Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.
| Video file formats/codecs | 3GPP AVI MP4 Xvid | 3GPP AVI MP4 Xvid | 3GPP DivX H.263 H.264 MP4 MPEG-4 WMV Xvid | 3GPP AVI MP4 Xvid |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 3450 mAh | 2600 mAh | 3400 mAh | 4800 mAh |
| Type | Li-Polymer | Li-Ion | Li-Ion | Li-Ion |
| 2G talk time | - | 10 h 600 min 0.4 days | 27 h 24 min 27.4 h 1644 min 1.1 days | - |
| 2G stand-by time | - | - | 768 h 46080 min 32 days | - |
| 3G talk time | 12 h 720 min 0.5 days | 10 h 600 min 0.4 days | 25 h 6 min 25.1 h 1506 min 1 days | - |
| 3G stand-by time | 200 h 12000 min 8.3 days | 300 h 18000 min 12.5 days | 768 h 46080 min 32 days | - |
| Features | Non-removable | Removable | Wireless charging Non-removable | Removable |
| - | - | Battery model: BV-4BW | - |
Specific Absorption Rate (SAR)
The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.
| Head SAR (EU) | - | - | 0.64 W/kg | - |
| Body SAR (EU) | - | - | 0.2 W/kg | - |
| Head SAR (USA) | 0.44 W/kg | - | 1.32 W/kg | - |
| Body SAR (USA) | 1.18 W/kg | - | 0.4 W/kg | - |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | - | RM-938 - SAR (Specific Absorption Rate) EU: head - 0.72 W/kg; body - 0.21 W/kg RM-938 - SAR (Specific Absorption Rate) US: head - 1.47 W/kg; body - 1.36 W/kg | - |
| BLU Studio 7.0 II | Posh Mobile Equal S700 | Nokia Lumia 1520 | Jiake M8 |