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Samsung SGH-T155G vs Samsung SCH-R455C

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Samsung SGH-T155G

User Rating - 6.5

Posted: 16 Nov 2009
Market Status: Released US carrier availability: Tracfone - Available (since 18 Aug 2010)

Samsung SCH-R455C

Posted: 17 May 2011
Market Status: Released US carrier availability: Tracfone - Available (since 20 Apr 2012)

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Design
Device type	Basic phone	Feature phone
Form factor	Clamshell	Side-Slider
Dimensions	3.57 x 1.72 x 0.78 inches (91 x 44 x 20 mm)
Weight	2.86 oz (81 g) the average is 4.4 oz (127 g)
Design features	Numeric keypad, Soft keys, D-Pad (2)	Soft keys (2), D-Pad
Side Keys		Left: Volume control; Right: Camera shutter
Colors		Black

Display
Physical size	1.5 inches
Resolution	128 x 128 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.	119 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.	CSTN
Colors	65 536

Battery
Talk time	7.00 hours the average is 11 h (647 min)	6.00 hours the average is 11 h (647 min)
Stand-by time	14.6 days (350 hours) the average is 18 days (441 h)	12.5 days (300 hours) the average is 18 days (441 h)
Type	Li - Ion

Hardware
Built-in storage	0.003 GB
Storage expansion		microSD, microSDHC up to 16 GB

Camera
Camera		1.3 megapixels
Features		Digital zoom

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Multimedia
Music player
Supported formats		MP3
Speakers		Loudspeaker

Internet browsing
Browser
supports	WAP 2.0	WAP

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
GSM	850, 1900 MHz
Data	GPRS

Phone features
Phonebook	200 entries, Multiple numbers per contact	1000 entries
Organizer	Calendar, Alarm, Calculator, Converter, Currency converter, World clock, Stopwatch, Countdown timer	Alarm
Messaging	SMS (200 messages), Predictive text input (T9)	SMS, MMS, Predictive text input

Connectivity
Bluetooth		Yes

Other features
Notifications	Service lights, Polyphonic ringtones (40 voices), Vibration, Silent mode, Speakerphone	Polyphonic ringtones
Hearing aid compatibility	M3, T3	M4, T3
Other		Voice dialing, 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	13 Nov 2009	16 May 2011
	FCC ID value: A3LSGHT155G link	FCC ID value: A3LSCHR455C 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	0.68 W/kg	0.44 W/kg
Measured in	850 MHz	1900 MHz
Body	0.77 W/kg	0.62 W/kg
Measured in	850 MHz	1900 MHz

Samsung Galaxy Ring
- Posted: 19 Jun 2013
- OS: Android 4.1
- Hardware: Quad core, 1400 MHz, 1024 MB RAM
- Camera 5 megapixels, 1280x720 (720p HD) video
- Technology: CDMA (800 1900)
- Data: EV-DO
HTC Desire 200
- Announced: 5 hours ago
- OS: Android 4.0
- Hardware: Single core, 1000 MHz, 512 MB RAM
- Display: 3.5 inches, 320 x 480 pixels, Capacitive Touchscreen
- Camera 5 megapixels, 640x480 (VGA) video
- Battery: 10.9 hours of Talk Time, 693 hours of Stand-by
- Technology: GSM (850 900 1800 1900)
- Data: HSDPA 7.2 Mbit/s UMTS EDGE GPRS
Huawei Ascend P6
- Posted: 17 Jun 2013
- OS: Android 4.2.2
- Hardware: Quad core, 1500 MHz, 2048 MB RAM
- Display: 4.7 inches, 720 x 1280 pixels, Capacitive Touchscreen
- Camera 8 megapixels, 1920x1080 (1080p HD) video
- Technology: GSM (850 900 1800 1900)
- Data: UMTS EDGE GPRS
Samsung Galaxy S4 Zoom
- Announced: 12 Jun 2013
- OS: Android 4.2
- Hardware: Dual core, 1500 MHz, ARM Cortex-A9, 1536 MB RAM
- Display: 4.3 inches, 540 x 960 pixels, Capacitive Touchscreen
- Camera 16 megapixels, 1920x1080 (1080p HD) 1280x720 (720p HD) video
- Technology: GSM (850 900 1800 1900)
- Data: LTE Cat3 Downlink 100 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 21.1 Mbit/s UMTS EDGE GPRS
Samsung GALAXY Ace 3
- Announced: 10 Jun 2013
- OS: Android 4.2.2
- Hardware: Dual core, 1200 MHz, 1024 MB RAM
- Display: 4.0 inches, 480 x 800 pixels, Capacitive Touchscreen
- Camera 5 megapixels, 1280x720 (720p HD) video
- Data: LTE Cat4 Downlink 150 Mbit/s LTE Cat3/4 Uplink 50 Mbit/s HSDPA+ (4G) 42.2 Mbit/s
ZTE Vital
- Announced: 10 Jun 2013
- OS: Android 4.1.2
- Hardware: Dual core, 1500 MHz, Krait, 1024 MB RAM
- Display: 5.0 inches, 720 x 1280 pixels
- Camera 13 megapixels
- Technology: CDMA (800 1900)
- Data: LTE
Nokia EOS
- Posted: 05 Jun 2013
- OS: Windows Phone 8
- Display: 4.5 inches, 768 x 1280 pixels, Capacitive Touchscreen
- Camera 41 megapixels
LG Optimus L4 II
- Posted: 05 Jun 2013
- OS: Android 4.1
- Hardware: Single core, 1000 MHz, ARM Cortex-A9, 512 MB RAM
- Display: 3.8 inches, 320 x 480 pixels, Capacitive Touchscreen
- Camera 3 megapixels
- Technology: GSM (850 900 1800 1900)
- Data: HSDPA 7.2 Mbit/s HSUPA 5.76 Mbit/s EDGE GPRS