Compare HTC – Desire U vs HTC – S621 Specifications

Desire U S621
Brand
HTC HTC
Model
Desire U S621
Released
2013 Jan 2007 Jun
Hardware Designer
HTC HTC
Manufacturer
HTC HTC
Codename
HTC Proto HTC Excalibur
Device Category
Smartphone Smartphone
List of Additional Features
HTS Sense 4.0a UI
HTC Beats Audio
SRS WOW HD sound
VideoPic 		N/A
Desire U S621
Width
62.3 mm
2.45 inch 		62.5 mm
2.46 inch
Height
118.5 mm
4.67 inch 		111.5 mm
4.39 inch
Depth
9.32 mm
0.37 inches 		12.8 mm
0.5 inches
Bounding Volume
68.8 ccm 89.2 ccm
Mass
119 g
4.2 ounces 		130 g
4.59 ounces
Desire U S621
Platform
Google Android Windows (mobile-class)
Operating System
Google Android 4.0.4 (Ice Cream Sandwich) Microsoft Windows Mobile 6 Standard (Crossbow)
Desire U S621
CPU Clock
1000 MHz 201 MHz
CPU
Qualcomm Snapdragon S4 MSM8225
2,012
32 bit
dual-core
45 nm
Qualcomm Adreno 203 GPU 		Texas Instruments OMAP 850
2,005
32 bit
single-core
16 Kbyte I-Cache
8 Kbyte D-Cache
RAM Type
Yes SDRAM
RAM Capacity
512 MiB RAM 64 MiB RAM
Non-volatile Memory Type
Flash EEPROM Flash EEPROM
Non-volatile Memory Interface
Yes Yes
Non-volatile Memory Capacity
3814 MiB non-volatile 128 MiB non-volatile
Desire U S621
Display Diagonal
102 mm
4 inch 		62.2 mm
2.4 inch
Resolution
480x800
384000 pixels 		320x240
76800 pixels
Display Width
52.48 mm
2.07 inch 		49.76 mm
1.96 inch
Display Height
87.46 mm
3.44 inch 		37.32 mm
1.47 inch
Horizontal Full Bezel Width
9.82 mm 12.74 mm
Display Area
4590 square millimeter 1857 square millimeter
Display Area Utilization
62.2% 26.6%
Pixel Size
0.10933 mm/pixel 0.1555 mm/pixel
Pixel Density
232 PPI 163 PPI
Display Type
Color PVA TFT LCD display Color TN-TFT LCD display
Display Subtype
Super LCD N/A
Display Color Depth
24 bit/pixel 16 bit/pixel
Number of Display Scales
16.8M 65536
Display Illumination
Yes Yes
Display Light Reflection Mode
Yes transflective
Display Subpixel Scheme
RGB Matrix (3 subpixels) RGB Matrix (3 subpixels)
Scratch Resistant Screen
No No
Graphical Controller
Qualcomm Adreno 203 N/A
Dedicated Graphics Memory
0.25 MiB N/A
A/V Out
No No
Desire U S621
Audio Channel(s)
stereo stereo
Microphone(s)
mono mono
Loudspeaker(s):
mono mono
Audio Output:
3.5mm Proprietary
Desire U S621
Supported Cellular Bands
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
UMTS 2100MHz (Band I, IMT)
UMTS 900MHz (Band VIII) bands 		GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2) bands
Supported Cellular Data Links
GPRS (Class unspecified)
EDGE (Class unspecified)
UMTS 384 kbps (W-CDMA)
HSUPA (Cat. unspecified)
HSUPA 5.76 Mbps (Cat. 6)
HSDPA (Cat. unspecified)
HSDPA 7.2 Mbps (Cat. 8) data links 		CSD 9.6 kbps
GPRS (Class unspecified)
GPRS Class 10
EDGE (Class unspecified) data links
SIM Card Slot
Yes Mini-SIM (2FF)
Cellular Antenna
Internal antenna Internal antenna
Call Alert Sound
64-chord melody 40-chord melody
Complementary Phone Services
Voice transmission
Voice speaker
Vibrating Alert
Speakerphone 		Voice transmission
Voice speaker
Vibrating Alert
Speakerphone
Cellular Controller
Qualcomm MSM8225 TI TMS320C54x
Sec. Supported Cellular Networks:
No No
Desire U S621
Touchscreen Type
Capacitive multi-touch sensing screen N/A
Touchscreen Simultaneous Touch Points
Yes N/A
Desire U S621
Expansion Interfaces
TransFlash
microSD
microSDHC 		Secure Digital Input/Output interface
TransFlash
microSD
USB
USB 2.0
USB Hi-Speed (480 Mbps) 		USB 1.1
USB Full-Speed (12 Mbps)
USB Services
USB charging USB charging
USB Connector
USB Series Micro-B (Micro-USB) USB Series Mini-B (mini-USB)
Bluetooth
Bluetooth 4.0
Internal antenna 		Bluetooth 2.0
Internal antenna
Bluetooth profiles
A2DP
A2DP with aptX codec
AVRCP 		N/A
Wireless LAN
IEEE 802.11b
IEEE 802.11g
IEEE 802.11n
Internal antenna 		IEEE 802.11b
IEEE 802.11g
Internal antenna
Wireless Services
DLNA N/A
Desire U S621
FM Radio Receiver
FM radio (88-108 MHz) with RDS
Proprietary headset as antenna 		N/A
Desire U S621
Supported GPS protocol(s)
GPS (NMEA 0183) No
Satellite Antenna:
Internal antenna N/A
Complementary Satellite Services
Assisted GPS
Geotagging 		N/A
Supported GLONASS protocol(s)
L1OF N/A
Navigation Controller
Qualcomm MSM8225 gpsOne N/A
Desire U S621
Camera Placement
Rear Rear
Camera Image Sensor
CMOS CMOS
Camera Resolution
2592x1944 pixel 1280x1024 pixel
Number of effective pixels
5.0 MP camera 1.3 MP camera
Zoom
1.0 x optical zoom 1.0 x optical zoom
Focus
Contrast Detection Autofocus (CD AF) No
Recordable Image Formats
JPG BMP, JPG
Video Recording
800x480 pixel
30 fps 		176x144 pixel
10 fps
Recordable Video Formats
3GP
3G2
MPEG4 		3GP
MPEG4
MJPG
Flash
single LED No
Camera Extra Functions
HDR photo
Macro mode 		N/A
Aux. Camera Image Sensor
No No
Aux. 2 Camera Image Sensor
No No
Aux. 3 Camera Image Sensor
No No
Aux. 4 Camera Image Sensor
No No
Aux. 4 Camera Focus
No No
Desire U S621
Secondary Camera Sensor
No No
Sec. Aux. Cam. Image Sensor
No No
Sec. Aux. 2 Cam. Image Sensor
No No
Desire U S621
Built-in compass
Yes N/A
Built-in accelerometer
Yes No
Desire U S621
Protection from solid materials
Yes Yes
Protection from liquids
Yes Yes
Desire U S621
Battery
Lithium-ion
removable
1-cell 		Lithium-ion
removable
1-cell
Nominal Cell Capacity (1st cell)
1650 mAh cell 970 mAh cell
Nominal Battery Capacity
1650 mAh battery 970 mAh battery
Desire U S621
Market Countries
Taiwan Brazil
Market Regions
Asia South America (SA)

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