Samsung Galaxy Ace 2 vs Samsung Galaxy S II
| Type | Touch | Touch | Touch | Touch |
| Dimensions | 118.30 x 62.20 x 10.50 mm | 125.30 x 66.10 x 8.49 mm | 116.50 x 61.20 x 12.10 mm | 105.80 x 51.00 x 13.80 mm |
| Weight | 122.00 g | 116.00 g | 142.00 g | 93.00 g |
| Display size | 3.80" | 4.27" | 3.70" | 3.20" |
| Display | Color / PLS TFT 16M colors 480 x 800 px (3.80") 246 ppi | Color / Super AMOLED Plus 16M colors 480 x 800 px (4.27") 218 ppi | Color / AMOLED 16M colors 480 x 800 px (3.70") 252 ppi | Color / TFT 16M colors 360 x 640 px (3.20") 229 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: 980 min. (16.3 h) 3G: 450 min. (7.5 h) | 2G: 1100 min. (18.3 h) 3G: 520 min. (8.7 h) | 2G: 780 min. (13.0 h) 3G: 570 min. (9.5 h) | 2G: 690 min. (11.5 h) 3G: 282 min. (4.7 h) |
| Video talk time (max.) | 220 min. (3.7 h) | nd | nd | |
| Stand-by (max.) | 2G: 670 h. (27.9 days) 3G: 640 h. (26.7 days) | 2G: 710 h. (29.6 days) 3G: 610 h. (25.4 days) | 2G: 265 h. (11.0 days) 3G: 335 h. (14.0 days) | 2G: 600 h. (25.0 days) 3G: 588 h. (24.5 days) |
| Playback time (max.) | nd | nd | Audio: 55 h (2.3 days) Video: 6,5 h (0.3 days) | nd |
| Internet browsing time (max.) | nd | nd | 3G: 4,5 h (0.2 days) | nd |
| Standard battery | Li-Ion 1500 mAhBuy powerbank
| Li-Po 1650 mAhBuy powerbank
| Li-Ion 1450 mAhBuy powerbank
| Li-Ion 1000 mAhBuy powerbank
|
| Quick battery charging | ||||
| Wireless battery charging | ||||
| Internal memory | 4 GB | 16 GB | 16 GB | 40 MB |
| RAM memory | 768 MB | 1 GB | 512 MB | 128 MB |
| Memory cards | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC up to 16 GBBuy memory card | |
| Operating system | Android 2.3 Gingerbread | Android 2.3 Gingerbread | MS Windows Phone 7.5 Mango | Symbian 9.4 |
| Interface | - | TouchWiz 4.0 | - | Series 60 5th Edition |
| Processor | ST-Ericsson NovaThor U8500 | Samsung Exynos 4210 | Qualcomm MSM8255T | ARM11 |
| Processor clock | 800 MHz | 1200 MHz | 1400 MHz | 600 MHz |
| GPU | ARM Mali-400 MP | ARM Mali-400 MP4 @266 MHz | Adreno 205 | - |
| Touchscreen | ||||
| SAR (10g) | 0,94 W/kg | 1,36 W/kg | ||
| DualSIM | ||||
| Announced | 2Q 2012 | 1Q 2011 | 4Q 2011 | |
| Other names | GT-i8160; GT-I8160l; GT-I8160p; Ace II | GT-i9100; GT-i9100p; Galaxy S2; Galaxy S II 4G | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 900 2100 | 850 900 1900 2100 | 900 1900 2100 | 1900 2100 |
| LTE standard | ||||
| CDMA | ||||
| Standard TD-SCDMA | ||||
| UMA |



