Samsung GT-B7722 vs HTC HD2
| Type | Touch | Touch |
| Dimensions | 113.50 x 55.50 x 14.30 mm | 120.50 x 67.00 x 11.00 mm |
| Weight | 112.00 g | 157.00 g |
| Display size | 3.20" | 4.30" |
| Display | Color / TFT 256k colors 240 x 400 px (3.20") 146 ppi | Color / TFT 64k colors 480 x 800 px (4.30") 217 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 770 min. (12.8 h) | 2G: 380 min. (6.3 h) 3G: 320 min. (5.3 h) |
| Stand-by (max.) | 2G: 420 h. (17.5 days) | 2G: 490 h. (20.4 days) 3G: 390 h. (16.3 days) |
| Playback time (max.) | nd | Audio: 12 h (0.5 days) Video: 8 h (0.3 days) |
| Standard battery | Li-Ion 1200 mAhBuy powerbank
| Li-Ion 1230 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory | 1300 places |  |
| Internal memory | 270 MB | 512 MB |
| End-user memory | | 273 MB |
| RAM memory | | 576 MB |
| Memory cards |  microSD up to 16 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | - | MS Windows Mobile 6.5 Pro |
| Interface | TouchWiz 2.0 Plus | - |
| Processor | - | Qualcomm QSD8250 |
| Processor clock | - | 1000 MHz |
| GPU | - | Adreno 200 |
| Touchscreen | | |
| SAR (10g) | 0,705 W/kg | |
| DualSIM | | |
| Hybrid DualSIM | | nd |
| Announced | | 4Q 2009 |
| Other names | Duoz B7722; Duos B7722; Star Duos; B7722i | Touch HD2; Leo; T8585; PB81100; T-Mobile Leo |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | 900 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 5.2 Mpx | 5 Mpx |
| Resolution | 2592x1944 px | 2592x1944 px |
| Optical zoom | | |
| Digital zoom | 4x | |
| Flash | LED | 2x LED |
| Dual-colour LED flash | | |
| Video resolution | 320x240 px | |
| Video formats | H.263, MPEG4 - 30 fps | H.263, MPEG4 |
| Additional | EIS | AF |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 0.3 Mpx | nd |
| Resolution | 640x480 px | nd |
| Optical zoom | | nd |
| Flash | | nd |
| Dual-colour LED flash | | nd |
| Additional | - | nd |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | 3.60 Mbit/s | 7.20 Mbit/s |
| HSUPA | | 2.00 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 12 | class 10 |
| EDGE | class 12 | class 10 |
| Bluetooth | v2.1 | v2.1 EDR |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g | v802.11 b/g |
| WiFi frequencies | 2,4 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| A-GPS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | XT9 |
| Swype | | |
| e-mail client | | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | z RDS | z RDS |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, WAV, WMA, eAAC+ | AAC, AAC+, AMR, QCP, WAV, WMA, eAAC+ |
| Polyphony | 72 voices | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.1 | MIDP 2.0 |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |