HTC Quattro vs HTC EVO 4G LTE
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| Design | |||
|---|---|---|---|
| Device type | Tablet | Smart phone | |
| OS | Android (4.0) | Android (4.0.3) Sense 4.0 UI | |
| Form factor | Candybar | Candybar | |
| Dimensions | 5.31 x 2.71 x 0.35 inches (134.8 x 68.9 x 8.9 mm) | ||
| Weight | 4.73 oz (134 g) the average is 4.4 oz (125 g) | ||
| Side Keys | Right: Volume control |
| Display | |||
|---|---|---|---|
| Physical size | 10.1 inches | 4.7 inches | |
| Resolution | 1280 x 768 pixels | 720 x 1280 pixels | |
Pixel density
Pixel density - The pixel density of a display represents the number of pixels over an area of one inch. It’s measured in “pixels per inch”, or ppi. The higher the number, the more detailed and good-looking the display is. | 148 ppi | 312 ppi | |
Technology
Technology - There are two main screen technologies currently used in phones and tablets: LCD and AMOLED. The former usually features a light source and liquid crystals, while the latter is based on organic light-emitting diodes. Newer LCD variations like IPS-LCD and Super-LCD allow for very accurate color reproduction and very wide viewing angles, where no significant image quality loss is observed. Current AMOLED screens differ in such a way that they can exhibit much more saturated colors (sometimes too much) and incredibly high contrast levels, which is due to black color being completely black in AMOLED displays. | S-LCD 2 | ||
| Touchscreen | Capacitive, Multi-touch | Capacitive, Multi-touch | |
| Features | Light sensor, Proximity sensor | Light sensor, Proximity sensor, Scratch-resistant glass |
| Battery | |||
|---|---|---|---|
| Talk time | 7.50 hours the average is 10 h (623 min) | ||
| Capacity | 2000 mAh | ||
| Type | Li - Ion | ||
| Not user replaceable | Yes |
| Hardware | |||
|---|---|---|---|
System chip
System chip - Most modern handsets use an advanced chip that includes many of the device’s hardware modules like the processor, Wi-Fi, Bluetooth and sometimes even the wireless radio. This field shows what particular system chip (or System-on-a-Chip) is used in the phone. | NVIDIA Tegra 3 | Qualcomm Snapdragon S4 Plus MSM8960 | |
Processor
Processor - The processor is the main computing component of a phone and is a major factor when it comes to the overall speed of the device. Some more powerful smartphones use dual-core and quad-core processors designed to deliver greater performance. | Quad core | Dual core, 1500 MHz, Krait | |
| Graphics processor | Yes | Adreno 225 | |
System memory
System memory - System memory, or RAM memory is the type of memory that the device uses to temporarily store data from the OS or currently-running apps. The more RAM available to the device, the better the performance will be when multiple or heavier programs are running. | 1024 MB RAM | 1024 MB RAM (Dual-channel, 500 MHz) / DDR2 | |
| Built-in storage | 16 GB | ||
| Storage expansion | microSD, microSDHC up to 32 GB |
| Camera | |||
|---|---|---|---|
| Camera | 2 megapixels | 8 megapixels | |
| Flash | LED | ||
| Aperture size
Aperture size - The aperture of a camera is the opening through which light travels before it reaches the camera sensor. The smaller the number is, the bigger this opening is, allowing for more light to pass. | F2.0 | ||
| Focal length (35mm equivalent) | 28mm | ||
| Features | Back-illuminated sensor (BSI), CMOS image sensor, Auto focus, Face detection, Smile detection, Exposure compensation, ISO control, White balance presets, Burst mode, Digital zoom, Geo tagging, High Dynamic Range mode (HDR), Panorama, Effects, Self-timer | ||
| Camcorder | Yes | 1920x1080 (1080p HD) (29 fps) | |
| Features | Video calling | ||
| Front-facing camera | 1.3 megapixels | 1.3 megapixels |
| Multimedia | |||
|---|---|---|---|
| Music player | |||
| Filter by | Album, Artist, Playlists | ||
| Features | Album art cover, Background playback, Beats Audio | ||
| Supported formats | MP3 | ||
| Video playback | |||
| Supported formats | MPEG4, H.263, H.264 | ||
| Speakers | Earpiece, Loudspeaker | ||
| Streaming | Audio, Video | Audio, Video | |
| YouTube player | Yes | Yes |
| Internet browsing | |||
|---|---|---|---|
| Browser | supports: supports: HTML, Flash | supports: supports: HTML, HTML5, Flash | |
| Built-in online services support | Facebook, YouTube (upload), Picasa, Twitter | YouTube (upload), Picasa |
| Technology | |||
|---|---|---|---|
CDMA
CDMA - Code Division Multiple Access. A technique of multiplexing, also called spread spectrum, in which analog signals are converted into digital form for transmission. For each communication channel, the signals are encoded in a sequence known to the transmitter and the receiver for that channel. The foremost application is digital cellular phone technology from QUALCOMM that operates in the 800MHz band and 1.9GHz PCS band. CDMA phones are noted for their excellent call quality and long battery life. | 800, 1900 MHz | ||
| LTE | 1900 MHz | ||
| Data | LTE, EV-DO Rev.A | ||
Positioning
Positioning - This field shows the positioning systems supported by the device. There are three main types: GPS, A-GPS and GLONASS. GPS - This is one of the most widespread global positioning technologies, developed and maintained by the U.S. government. It uses satellites in order to detect your location. Works best in clear weather. A-GPS - A-GPS stands for Assisted GPS and is the industry standard for positioning and navigation. “Assisted” means that it can use local wireless networks, in addition to satellites, for quicker and more precise localization. GLONASS - GLONASS is a global positioning system, developed by the Russian Federation. It’s very similar to GPS, but isn’t so popular in cell phones. | GPS | GPS | |
| Navigation | Yes | Yes |
| Phone features | |||
|---|---|---|---|
| Phonebook | Unlimited entries, Caller groups, Multiple numbers per contact, Search by both first and last name | Unlimited entries, Caller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring ID | |
| Organizer | Calendar, Alarm, Document viewer, Calculator, World clock, Memo | Calendar, Alarm, Document viewer (Office 2007, Office 2003, PDF), Calculator | |
| Messaging | Predictive text input | SMS, MMS, Threaded view, Predictive text input | |
| Yes | IMAP, POP3, SMTP, Microsoft Exchange | ||
| Instant Messaging | Google Talk | Google Talk |
| Connectivity | |||
|---|---|---|---|
| Bluetooth | 4.0 | 4.0 | |
| Profiles | Advanced Audio Distribution (A2DP), Audio/Video Distribution Transport Protocol (AVDTP), Audio/Visual Remote Control Profile (AVRCP), Generic Audio/Video Distribution (GAVDP), Generic Object Exchange (GOEP), Handsfree (HFP), Headset (HSP), Human Interface Device (HID), Public Area Network (PAN), Serial Port (SPP), Service Discovery Application (SDAP), Service Discovery Protocol (SDP) | ||
| Wi-Fi | Yes | 802.11 a, b, g, n | |
| Mobile hotspot | Yes | ||
| USB | Yes | USB 2.0 | |
| Connector | microUSB | ||
| Features | Mass storage device | Mass storage device, USB charging | |
| Headphones connector | 3.5mm | 3.5mm | |
| Charging connector | microUSB | ||
| Other | Computer sync, OTA sync | NFC, Computer sync, OTA sync |
| Other features | |||
|---|---|---|---|
| Notifications | Flight mode, Silent mode, Speakerphone | Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone | |
| Additional microphone/s | for Noise cancellation | ||
| Sensors | Accelerometer | Accelerometer, Gyroscope, Compass | |
| Hearing aid compatibility | M4, T3 | ||
| Other | Voice commands, Voice recording | Voice dialing, Voice commands, Voice recording |
| Regulatory Approval | |||
|---|---|---|---|
FCC approval
FCC approval - The Federal Communications Commission (FCC) is an independent United States government agency, directly responsible to Congress. The FCC was established by the Communications Act of 1934 and is charged with regulating interstate and international communications by radio, television, wire, satellite and cable. The FCC's jurisdiction covers the 50 states, the District of Columbia, and U.S. possessions. Every wireless phone device that that is sold in the U.S. has to be tested and approved for sale by the FCC. | |||
| Date approved
Date approved - Shows the date when the particular phone is approved by the Federal Communications Commission | 12 Apr 2012 | ||
| FCC ID value: NM8PJ75100 link | |||
FCC measured SAR
FCC measured SAR - The exposure standard for mobile devices employs a unit of measurement known as the Specific Absorption Rate, or SAR. The SAR limit stated in the international guidelines is 2.0 W/ kg*. Tests for SAR are conducted using standard operating positions with the device transmitting at its highest certified power level in all tested frequency bands. Although the SAR is determined at the highest certified power level, the actual SAR of the device while operating can be well below the maximum value. | |||
| Head | 0.72 W/kg | ||
| Body | 1.29 W/kg | ||
| Product Specific Use | 1.29 W/kg | ||
| Simultaneous Transmission | 1.55 W/kg |
| Availability | |||
|---|---|---|---|
| Officially announced | 04 Apr 2012 |
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