Galaxy S II vs HTC Sensation vs LG Optimus 2X (Part 3 end–display, performance, and battery)

In this post, we will give a comparison of Galaxy S II, HTC Sensation, and LG Optimus about the display quality, performance, and battery life.

Part 1: A comparison about image quality

Part 2: A comparison about video quality

1. Screen:

Optimus 2X has a smallest screen size. It has a 4-inch screen, 480 x 800 resolution, and LCD IPS technology whereas Sensation uses S-LCD with qHD (540 x 960) resolution and big size screen(4.3 inches). Samsung Galaxy S II also has a 4.3-inch screen, but uses Super AMOLED PLus with the resolution of 480 x 800. Super AMOLED Plus seems give the best result as shown in the following images:

From left to right: LCD ISP (LG), S-LCD (HTC), and Super AMOLED Plus (Samsung).

By changing the view angle, we can see that the S-LCD has a narrow view angle compared to the others.

In this view angle, the AMOLED Plus provides a excellent result (the colors and details are remaining the same).

Conclusion: quality Super AMOLED > LCD IPS >S-LCD.

2. Performance using benchmarks:

Although all these phones use dual-core processors, the difference of chips and RAM generates different performance results in benchmarks. Optimus 2X (1GHz) and Galaxy S II (1.2GHz) use dual-core Cortex A9 while Sensation uses Scorpion that is based on Cortex A8 (1.2GHz).

About graphics, Sensation, Galaxy S II, and Optimus 2X use Anreno 220 (768MB), Mali-400MP (1GB), and ULP GeForce (512MB), respectively.

In general test, Galaxy S II is the winner.

In Quadrant test, Optimus 2X is in the second position.

In the BrowserMark, the HTC is the worst.

3. Battery:

Battery life for surfing web.

Battery life for watching video.