Samsung GT-i9103 Galaxy S II vs Samsung GT-i9000 Galaxy S
| Type | Touch | Touch | Touch | Touch |
| Dimensions | 125.70 x 66.70 x 9.55 mm | 122.40 x 64.20 x 9.90 mm | 122.50 x 64.20 x 9.99 mm | 123.70 x 64.20 x 10.59 mm |
| Weight | 132.00 g | 118.00 g | 120.00 g | 131.00 g |
| Display size | 4.19" | 4.00" | 4.00" | 4.00" |
| Display | Color / Super Clear LCD 16M colors 480 x 800 px (4.19") 223 ppi | Color / Super AMOLED 16M colors 480 x 800 px (4.00") 233 ppi | Color / Super AMOLED 16M colors 480 x 800 px (4.00") 233 ppi | Color / Super Clear LCD 16M colors 480 x 800 px (4.00") 233 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: 540 min. (9.0 h) 3G: 520 min. (8.7 h) | 2G: 768 min. (12.8 h) | 2G: 890 min. (14.8 h) 3G: 420 min. (7.0 h) | 2G: 900 min. (15.0 h) 3G: 450 min. (7.5 h) |
| Video talk time (max.) | 220 min. (3.7 h) |  | | |
| Stand-by (max.) | 2G: 710 h. (29.6 days) 3G: 620 h. (25.8 days) | 2G: 750 h. (31.3 days) | 2G: 860 h. (35.8 days) 3G: 660 h. (27.5 days) | 2G: 610 h. (25.4 days) 3G: 550 h. (22.9 days) |
| Standard battery | Li-Po 1650 mAhBuy powerbank
| Li-Ion 1500 mAhBuy powerbank
| Li-Ion 1650 mAhBuy powerbank
| Li-Ion 1650 mAhBuy powerbank
|
| Quick battery charging | | | | |
| Wireless battery charging | | | | |
| Internal memory | 8 GB | 8 GB | 16 GB | 16 GB |
| RAM memory | 1 GB | 512 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 | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | Android 2.3 Gingerbread | Android 2.1 Eclair | Android 2.2 Froyo | Android 2.2 Froyo |
| Interface | TouchWiz 4.0 | - | - | - |
| Processor | Nvidia Tegra 2 | Samsung S5PC110 | Samsung Exynos 3110 | TI OMAP3630 |
| Processor clock | 1000 MHz | 1000 MHz | 1000 MHz | 1000 MHz |
| GPU | ULP GeForce | PowerVR SGX540 @200 MHz | PowerVR SGX540 @200 MHz | PowerVR SGX530 |
| Touchscreen | | | | |
| SAR (10g) | | 0,238 W/kg | | 0,238 W/kg |
| DualSIM | | | | |
| Announced | 1Q 2011 | 3Q 2010 | | 1Q 2011 |
| Other names | i9103; Galaxy Z; Galaxy R | i9000 | i9010 Galaxy S; i9010 Giorgio Armani | Latona; Galaxy S SCL |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 900 1900 2100 | 1900 2100 | 1900 2100 | 1900 2100 |
| LTE standard | | | | |
| CDMA | | | | |
| Standard TD-SCDMA | | | | |
| UMA | | | | |
CAMERAS - BACK
| First camera | | | | |
| Photo matrix | 5 Mpx | 5 Mpx | 5 Mpx | 5 Mpx |
| Resolution | 2592x1944 px | 2592x1944 px | 2560x1920 px | 2560x1920 px |
| Optical zoom | | | | |
| Digital zoom | 4x | 4x | | 4x |
| Flash | LED | | | |
| Dual-colour LED flash | | | | |
| Video resolution | 1280x720 px | 1280x720 px | 720x480 px | 1280x720 px |
| Video formats | H.263, H.264 | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | AF | AF, EIS | - | - |
CAMERAS - FRONT
| First camera | | | | |
| Photo matrix | 1.3 Mpx | 0.3 Mpx | 0.3 Mpx | 0.3 Mpx |
| Resolution | | 640x480 px | 640x480 px | 640x480 px |
| Optical zoom | | | | |
| Flash | | | | |
| Dual-colour LED flash | | | | |
| Video formats | H.263, H.264 | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | - | - | - | - |
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 | v2.0 | v2.0 |
| HSCSD | | | | |
| HSDPA | 21.00 Mbit/s | 7.20 Mbit/s | 7.20 Mbit/s | 7.20 Mbit/s |
| HSUPA | 5.76 Mbit/s | 5.76 Mbit/s | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA | | | | |
| HSPA+ | | | | |
| LTE DL | | | | |
| LTE UP | | | | |
| WIMAX+ | | | | |
| GPRS | class 12 | class 12 | class 12 | class 12 |
| EDGE | class 12 | class 12 | class 12 | class 12 |
| Bluetooth | v3.0 | v3.0 | v3.0 | v3.0 |
| A2DP Profile | | | | |
| HDMI | | | | |
| WiFi | v802.11 a/b/g/n | v802.11 b/g/n | v802.11 b/g/n | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz | 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 | 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 | v1.2 | | v1.2 |
| Dictionary | T9 | T9 | XT9 | T9 |
| Swype | | | | |
| e-mail client | POP3, IMAP4, SMTP | 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 | 3.5 mm |
| HD Voice | | | | |
| Sound formats | AAC, AAC+, AMR, FLAC, OGG, WAV, WMA, eAAC+ | AAC, AAC+, AC3, AMR, FLAC, IMY, OGG, WAV, WMA, XMF, eAAC+ | AAC, AAC+, WMA, eAAC+ | AAC, AAC+, AC3, AMR, FLAC, IMY, OGG, WAV, WMA, XMF, eAAC+ |
| Polyphony | 64 voices | 72 voices | 64 voices | 72 voices |
| Video ringtone | | | | |
| Ring composer | | | | |
| Games | | | | |
| Java | Dalvik | Dalvik | Dalvik | Dalvik |
| Videophone | | | | |
| DVB-H television | | | | |
| TV-Out | | | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | | | |
| Stopwatch | | | | |
| Alarm | | | | |
| Calculator | | | | |
| Currency converter | | | | |
| Organizer | | | | |
| Calendar | | | | |
| Flight mode | | | | |
| SyncML | | | v1.2 | |
| Data and fax | | | | |
| Screensaver | | | | |
| Themes | | | | |
| Interchangeable covers | | | | |
| Voice dial | | | | |
| Speakerphone | | | | |
| Recorder | | | | |
| Vibrations | | | | |