Comparison between:
- Otium Z4
- Otium Z2
- Otium P7
- Otium P8
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Otium Z4 | Otium Z2 | Otium P7 | Otium P8 | |
 |  |  |  |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 72.1 mm 7.21 cm 0.237 ft 2.839 in | 80.3 mm 8.03 cm 0.263 ft 3.161 in | 77 mm 7.7 cm 0.253 ft 3.031 in | 71.1 mm 7.11 cm 0.233 ft 2.799 in |
| Height | 144.3 mm 14.43 cm 0.473 ft 5.681 in | 154.94 mm 15.494 cm 0.508 ft 6.1 in | 151 mm 15.1 cm 0.495 ft 5.945 in | 144 mm 14.4 cm 0.472 ft 5.669 in |
| Thickness | 8.9 mm 0.89 cm 0.029 ft 0.35 in | 8.13 mm 0.813 cm 0.027 ft 0.32 in | 8.9 mm 0.89 cm 0.029 ft 0.35 in | 7.6 mm 0.76 cm 0.025 ft 0.299 in |
| Weight | 145 g 0.32 lbs 5.11 oz | 200 g 0.44 lbs 7.05 oz | 157 g 0.35 lbs 5.54 oz | 145 g 0.32 lbs 5.11 oz |
| Volume | 92.6 cm³ 5.62 in³ | 101.15 cm³ 6.14 in³ | 103.48 cm³ 6.28 in³ | 77.81 cm³ 4.73 in³ |
| Colors | White | Black White | Black White Pink | White |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | Micro-SIM | Mini-SIM Micro-SIM | Micro-SIM Mini-SIM | Mini-SIM Micro-SIM |
| Number of SIM cards | 2 | 2 | 2 | 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) | 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 | W-CDMA 850 MHz W-CDMA 2100 MHz | W-CDMA 850 MHz W-CDMA 2100 MHz |
| UMTS | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | - | - | - |
| LTE | LTE 800 MHz LTE 1800 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+ LTE | UMTS EDGE GPRS HSPA+ | UMTS EDGE GPRS HSPA+ | 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 4.4.2 KitKat | Android 4.4.2 KitKat | Android 4.4.2 KitKat | Android 4.2 Jelly Bean |
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 MT6582 | MediaTek MT6582 | MediaTek MT6582 | MediaTek MT6592W |
| Process technology | 28 nm | 28 nm | 28 nm | 28 nm |
| CPU | 4x 1.3 GHz ARM Cortex-A7 | 4x 1.3 GHz ARM Cortex-A7 | 4x 1.3 GHz ARM Cortex-A7 | 8x 1.7 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 1 cache memory (L1) | 32 KB + 32 KB | 32 KB + 32 KB | 32 KB + 32 KB | 32 KB + 32 KB |
| Level 2 cache memory (L2) | 512 KB 0.5 MB | 512 KB 0.5 MB | 512 KB 0.5 MB | 1024 KB 1 MB |
| CPU cores | 4 | 4 | 4 | 8 |
| CPU frequency | 1300 MHz | 1300 MHz | 1300 MHz | 1700 MHz |
| GPU | ARM Mali-400 MP2 | ARM Mali-400 MP2 | ARM Mali-400 MP2 | ARM Mali-450 MP4 |
| GPU cores | 2 | 2 | 2 | 4 |
| GPU frequency | 500 MHz | 500 MHz | 500 MHz | 700 MHz |
| RAM capacity | 1 GB | 1 GB | 1 GB | 1 GB |
| RAM type | LPDDR2/LPDDR3 | LPDDR2/LPDDR3 | LPDDR2/LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel | Single channel | Single channel |
| RAM frequency | 533 MHz | 533 MHz | 533 MHz | 666 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 8 GB | 8 GB | 8 GB | 8 GB |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC | microSD microSDHC | microSD microSDHC | microSD microSDHC |
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 | 5 in 127 mm 12.7 cm | 5.5 in 139.7 mm 13.97 cm | 5.5 in 139.7 mm 13.97 cm | 5 in 127 mm 12.7 cm |
| Width | 2.45 in 62.26 mm 6.23 cm | 2.7 in 68.49 mm 6.85 cm | 2.7 in 68.49 mm 6.85 cm | 2.45 in 62.26 mm 6.23 cm |
| Height | 4.36 in 110.69 mm 11.07 cm | 4.79 in 121.76 mm 12.18 cm | 4.79 in 121.76 mm 12.18 cm | 4.36 in 110.69 mm 11.07 cm |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 720 x 1280 pixels | 540 x 960 pixels | 540 x 960 pixels | 720 x 1280 pixels |
| Pixel density | 294 ppi 115 ppcm | 200 ppi 78 ppcm | 200 ppi 78 ppcm | 294 ppi 115 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 66.46 % | 67.24 % | 71.95 % | 67.53 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant |
| Dragontrail glass OGS (One Glass Solution) Oleophobic (lipophobic) coating Full Lamination Technology | Dragontrail glass OGS (One Glass Solution) Full Lamination Technology | - | Dragontrail glass OGS (One Glass Solution) Full Lamination Technology |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Fingerprint | Proximity Light Accelerometer Compass Fingerprint | Proximity Light Accelerometer | Proximity Light Accelerometer Compass |
Rear camera
The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Flash type | LED | LED | LED | LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP | 4128 x 3096 pixels 12.78 MP | 2560 x 1920 pixels 4.92 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode | Autofocus Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Scene mode | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode |
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.
| Image resolution | - | 2560 x 1920 pixels 4.92 MP | 2560 x 1920 pixels 4.92 MP | 1600 x 1200 pixels 1.92 MP |
| 2 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 |
| HAC (M3) - Hearing Aid Compatibility | - | - | - |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes | Yes | Yes |
| RDS | RDS | - | - |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS | GPS A-GPS | GPS A-GPS | 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 Wi-Fi Direct | 802.11b 802.11g 802.11n Wi-Fi Hotspot Wi-Fi Direct | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11b 802.11g 802.11n Wi-Fi Hotspot Wi-Fi Direct |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.0 | 2.0 | 2.0 | 4.0 |
| Features | A2DP | A2DP | - | 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 On-The-Go | Charging Mass storage On-The-Go | Charging Mass storage | Charging Mass storage On-The-Go |
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 | 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 | 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 AMR AMR-WB MP3 WAV | AAC AAC+ AMR AMR-WB eAAC+ FLAC M4A MIDI MP3 OGG | AAC AMR eAAC+ MIDI MP3 WMA WAV | AAC AAC+ AMR AMR-WB eAAC+ FLAC M4A MIDI MP3 OGG |
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 DivX H.263 H.264 MPEG-4 VC-1 VP8 | 3GPP DivX H.263 H.264 MPEG-4 VC-1 VP8 | 3GPP AVI MP4 WMV | 3GPP DivX H.263 H.264 MPEG-4 VC-1 VP8 |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 2700 mAh | 3200 mAh | 3200 mAh | 2200 mAh |
| Type | Li-Ion | Li-Polymer | Li-Ion | Li-Ion |
| 2G talk time | 3 h 180 min 0.1 days | 3 h 180 min 0.1 days | 3 h 40 min 3.7 h 220.2 min 0.2 days | 3 h 180 min 0.1 days |
| 2G stand-by time | 150 h 9000 min 6.3 days | 100 h 6000 min 4.2 days | 180 h 10800 min 7.5 days | 100 h 6000 min 4.2 days |
| 3G talk time | 2 h 30 min 2.5 h 150 min 0.1 days | 2 h 30 min 2.5 h 150 min 0.1 days | 3 h 40 min 3.7 h 220.2 min 0.2 days | 2 h 30 min 2.5 h 150 min 0.1 days |
| 3G stand-by time | 100 h 6000 min 4.2 days | 90 h 5400 min 3.8 days | 180 h 10800 min 7.5 days | 90 h 5400 min 3.8 days |
| Features | - | Removable | Removable | Removable |
| Otium Z4 | Otium Z2 | Otium P7 | Otium P8 |