benchmarks 4 high end androids (must read)

There's a lot of speculation about the SoC used in Samsung's Galaxy S II, thankfully through process of elimination and some snooping around we've been able to figure it out.
We know for sure it's not NVIDIA's Tegra 2 or Qualcomm. That leaves Samsung or TI. A quick look at GLBenchmark2's output gives us the GPU string: ARM Mali 400. TI's OMAP 4 uses a PowerVR SGX, so it's out of the running. This leaves one and only SoC:Samsung's own Exynos 4210 (formerly Orion).
Exynos has two ARM Cortex A9 cores running at 1GHz. As a result, general performance of the Galaxy S II is competitive with phones based on NVIDIA's Tegra 2. The Galaxy S II runs Android 2.3.1 compared to 2.2.1 used by the Tegra 2 phones, and as a result has better Javascript performance which we see in some of our benchmarks.
SunSpider Javascript Benchmark 0.9
Rightware BrowserMark
Physical Comparison
 Apple iPhone 4Samsung Galaxy S FascinateLG Optimus 2XMotorola Atrix 4GSamsung Galaxy S II
Height115.2 mm (4.5")106.17 mm (4.18")123.9 mm (4.87")117.8mm125.3mm
Width58.6 mm (2.31")63.5 mm (2.5")63.2 mm (2.48")63.5mm66.1mm
Depth9.3 mm ( 0.37")9.91 mm (0.39")10.9 mm (0.43")10.95mm8.48mm
Weight137 g (4.8 oz)127 grams (4.5 oz)139.0 grams (4.90 oz)135.0 grams116 grams
CPUApple A4 @ ~800MHz1 GHz Samsung HummingbirdNVIDIA Tegra 2 Dual-Core Cortex-A9 (AP20H) @ 1 GHzNVIDIA Tegra 2 Dual-Core Cortex-A9 (AP20H) @ 1 GHzSamsung Exynos 4210 Dual-Core Cortex A9 @ 1GHz
GPUPowerVR SGX 535PowerVR SGX 540ULV GeForce @ 100-300 MHzULV GeForce @ 100-300 MHzARM Mali-400 MP
RAM512MB LPDDR1 (?)512 MB LPDDR1512 MB LPDDR2 @ 600 MHz data rate1024 MB LPDDR2 @ 600 MHz data rate1GB
NAND16GB or 32GB integrated2 GB, 16 GB microSD (Class 2)8 GB integrated (5.51 GB internal SD, 1.12 phone storage), up to 32 microSD16 GB integrated, up to 32 microSD16 GB integrated, up to 32 microSD
Camera5MP with LED Flash + Front Facing Camera5 MP with auto focus and LED flash8 MP with autofocus, LED flash, 1080p24 video recording, 1.3 MP front facing5 MP with autofocus, LED flash, 720p video recording, VGA MP front facing8 MP with autofocus, LED flash, 1080p video recording, 2MP front facing
Screen3.5" 640 x 960 LED backlit LCD4" Super AMOLED 800 x 4804" IPS LCD 800 x 480
4" PenTile LCD 960 x 540
4.3" Super AMOLED Plus 800x480
The GPU accelerated UI used in Android 2.3.1 makes the Galaxy S II feel a bit faster than the Tegra 2 phones, however that's not always the case. While web page loading feels comparable between the Atrix 4G and the Samsung Galaxy S II, Tegra 2 appears to handle flash a bit better than Samsung's Exynos.
Flash Performance
This is a pretty significant difference in our Flash benchmark, however it does translate into a somewhat less smooth experience when scrolling around web pages with Flash.
We managed to run GLBenchmark2 on the Samsung Galaxy S II and compared it to our recently reviewed/previewed Tegra 2 smartphones.
GLBenchmark 2.0 - Egypt
GLBenchmark 2.0 - PRO

The Mali-400 MP performs pretty well in GLBenchmark2, however it's still a bit behind NVIDIA's Tegra 2. Note that the Galaxy S II runs at 800 x 480 so its direct competitor in this case would be the Optimus 2X. These results don't tell us a lot about the GPU's performance other than the combination of hardware and drivers isn't quite up to par with what NVIDIA has today - at least under GLBenchmark2. There's so much that can be done with driver optimizations that it's difficult to draw any meaningful conclusions yet.

it can be concluded that
tegra2 >snapdradon adreno 205 ~ powerx540> snapdragon adreno 200  are the leading GPU's right now in the market

i think mali-400MP have some drivers issues otherwise it will be around tegra2 the leading gpu in themarket

                                                                                                                                                                     extract from- anandtech

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