HTC Desire HD vs Samsung Galaxy S II
| Type | Touch | Touch | Touch |
| Dimensions | 123.00 x 68.00 x 11.80 mm | 125.30 x 66.10 x 8.49 mm | 115.00 x 59.80 x 11.63 mm |
| Weight | 164.00 g | 116.00 g | 130.00 g |
| Display size | 4.30" | 4.27" | 3.70" |
| Display | Color / Super LCD 16M colors 480 x 800 px (4.30") 217 ppi | Color / Super AMOLED Plus 16M colors 480 x 800 px (4.27") 218 ppi | Color / Super LCD 480 x 800 px (3.70") 252 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
 | Corning Gorilla Glass Buy screen protector
|  |
| Additional display | | | |
| Protection of the secondary display | | | |
| Talk time (max.) | 2G: 550 min. (9.2 h) 3G: 320 min. (5.3 h) | 2G: 1100 min. (18.3 h) 3G: 520 min. (8.7 h) | 2G: 590 min. (9.8 h) 3G: 435 min. (7.3 h) |
| Video talk time (max.) | nd | 220 min. (3.7 h) |  |
| Stand-by (max.) | 2G: 420 h. (17.5 days) 3G: 490 h. (20.4 days) | 2G: 710 h. (29.6 days) 3G: 610 h. (25.4 days) | 2G: 430 h. (17.9 days) 3G: 455 h. (19.0 days) |
| Standard battery | Li-Ion 1230 mAhBuy powerbank
| Li-Po 1650 mAhBuy powerbank
| Li-Ion 1450 mAhBuy powerbank
|
| Quick battery charging | | | |
| Wireless battery charging | | | |
| Internal memory | 1.5 GB | 16 GB | 1.9 GB |
| End-user memory | | | 1.1 GB |
| RAM memory | 768 MB | 1 GB | 768 MB |
| Memory cards |  microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | Android 2.2 Froyo | Android 2.3 Gingerbread | Android 2.3.3 Gingerbread |
| Interface | Sense | TouchWiz 4.0 | - |
| Processor | Qualcomm MSM8255 | Samsung Exynos 4210 | Qualcomm MSM8255 |
| Processor clock | 1000 MHz | 1200 MHz | 1000 MHz |
| GPU | Adreno 205 | ARM Mali-400 MP4 @266 MHz | Adreno 205 |
| Touchscreen | | | |
| DualSIM | | | |
| Announced | | 1Q 2011 | 2Q 2011 |
| Other names | A9191 | GT-i9100; GT-i9100p; Galaxy S2; Galaxy S II 4G | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | 850 900 1900 2100 | 900 2100 |
| LTE standard | | | |
| CDMA | | | |
| Standard TD-SCDMA | | | |
| UMA | | | |
CAMERAS - BACK
| First camera | | | |
| Photo sensor model | | Samsung S5K3H2 | |
| Photo matrix | 8 Mpx | 8 Mpx | 5 Mpx |
| Resolution | 3264x2448 px | 3264x2448 px | 2592x1944 px |
| Optical zoom | | | |
| Flash | 2x LED | LED | LED |
| Dual-colour LED flash | | | |
| Video resolution | 1280x720 px | 1920x1080 px | 1280x720 px |
| Video formats | | H.263, H.264 - 30 fps | H.263, H.264 |
| Additional | AF | - | AF |
CAMERAS - FRONT
| First camera | | | |
| Photo sensor model | nd | Samsung S5K5BAF | |
| Photo matrix | nd | 2 Mpx | 0.3 Mpx |
| Resolution | nd | 1600x1200 px | 640x480 px |
| Optical zoom | nd | | |
| Flash | nd | | |
| Dual-colour LED flash | nd | | |
| Video formats | nd | H.263, H.264 - 30 fps | H.263, H.264 |
| Additional | nd | - | FF |
SENSORS
| Accelerometer | | | |
| Proximity | | | |
| Light | | | |
| Magnetometer | | | |
| Gyroscope | | | |
| Barometer | | | |
| Altimeter | | | |
| Gravity | | | |
| Hall-effect | | | |
| Iris scanner | | | |
| Fingerprint scanner | | | |
| Thermometer | | | |
| Hygrometer | | | |
Data transfer
| xHTML | | | |
| WAP | | v2.0 | |
| HSCSD | | | |
| HSDPA | 14.40 Mbit/s | 21.00 Mbit/s | 14.40 Mbit/s |
| HSUPA | 5.76 Mbit/s | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA | | | |
| HSPA+ | | | |
| LTE DL | | | |
| LTE UP | | | |
| WIMAX+ | | | |
| GPRS | | class 12 | |
| EDGE | | class 12 | |
| Bluetooth | v2.1 EDR | v3.0 | v2.1 |
| A2DP Profile | | | |
| HDMI | | | |
| WiFi | v802.11 b/g/n | v802.11 a/b/g/n | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz | 2,4 GHz | 2,4 GHz |
| WiFi Direct | | | |
| WiFi Display | | | |
| DLNA | | | |
| Miracast | | | |
| WiFi hotspot | | | |
| IrDA | | | |
| USB | v2.0 | 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 | | v1.2 | |
| Dictionary | XT9 | XT9 | T9 |
| Swype | | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | | |
| RSS Reader | | | |
Multimedia
| Radio | z RDS | z RDS | z RDS |
| MP3 | | | |
| Stereo speakers | | | |
| Audio Jack | 3.5 mm | 3.5 mm | 3.5 mm |
| HD Voice | | | |
| Sound formats | AAC, AMR, M4A, OGG, WAV, WMA | AAC, AAC+, AMR, FLAC, OGG, WAV, WMA, eAAC+ | AAC, AAC+, AMR, OGG, WAV, WMA, eAAC+ |
| Polyphony | | 72 voices | 72 voices |
| Video ringtone | | | |
| Ring composer | | | |
| Games | | | |
| Java | Dalvik | Dalvik | Dalvik |
| 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 | | | |