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Why do some classic Notebook and battery Laptop Battery models do not have matching graphics card? Why is optional discrete graphics Notebook and battery Notebook and battery version will be significantly cheaper than the set a lot? Why are equipped with laptop graphics cards tend to "castrate" it? I believe these three issues have long plagued many friends. In fact, these problems can be answered in one sentence, that is, "Notebook and battery space is small, built-in independent graphics card must first solve the thermal problem." Actually, solving the heat problem is not just a matter of manufacturers as well as our consumers need to pay attention to.

Cooling pad and exhaust fans

Currently on the market mainstream Notebook and battery cooling peripheral products, including two kinds of cooling pad and exhaust fans, cooling pad which is the most popular. Normal cooling pad is built-in fan base from the metal composition, use fan-driven airflow from the underside of the lower side through the Notebook and battery heat away. Comparison of high-grade thermal pad BTP-42C1 may be used, water and other heat medium full access to Notebook and battery underside, through the heat transfer away heat. Exhaust fans is hung on the Notebook and battery vents specifically for use through rapid breathing to speed up the flow speed inside a Notebook and battery, the results of the heat away.

Under normal circumstances purchase a discrete graphics Notebook and battery's friends will have a matching of their plans. However, whether or not they working? Today we will be measured to
Shenzhou Carriers L720T
This test uses the personal use of the Shenzhou Xiaobian carrier L720T Notebook and battery. The Notebook and battery equipped with a Core 2 Duo processor, is a 3.5-generation Centrino Notebook and battery. An important reason why it was chosen is that it has built a classic 256MB/128bit Notebook and battery discrete graphics ATI Mobility X1600. In low power and high power consumption state, X1600 alone has displayed both the performance and heat there is a big difference.

In the test, we will test the Notebook and BTP-44A3 battery five states: Normal working state, optimize performance status, optimize performance status plus cooling pad, optimize performance status plus exhaust fans, optimize performance status and increase cooling pads and fans. In each state, we will start testing after the laptop to work for 10 minutes, work for 30 minutes after the CPU and hard disk temperature (detected by the software) out the outlet temperature and the C side, B side of the corners of their respective temperatures. Test, at room temperature has been maintained at 27 degrees. Each state tests exhausted we will wait until the Notebook and battery is turned off down to room temperature naturally.

Below we will work together to understand the results obtained in this test.
Notebook and battery normal working state temperature

Using graphics control software, we will set up laptops in the "equilibrium" state. Now we can carry out daily operations. At this point the basic silent Notebook and battery fan, I feel it's the keyboard throughout the temperature close to room temperature.

From the test results can be seen in normal working condition, even the X1600 is equipped with a laptop alone and without significant cooling of products to help BTP-550P will be able to work properly.
Working state of the temperature of optimal performance

Using graphics control software CCC, we will set the laptop to the "optimal performance" state. At this point the sound significantly increased fan Notebook and battery, its screen, but also some slightly brighter.

From the test results can be seen in working condition to optimize performance, the single noticeable with good overall hot laptop soon. Although the laptop does not crash, power-down, but the hot keyboard and palmrest to the user caused a certain extent. CPU temperature rise at this time a clear and hard drive temperatures remained unchanged. This shows that the CPU in the normal "equilibrium" state will be automatically down-conversion to reduce the heat. So, the overall hot hot it is because the CPU do?
After using the cooling pad BTP-73E1 test results

Loaded on to a laptop cooling pad, the air quickly through the bottom of the Notebook and battery. But this is not the bottom of the vent on the heat pad is less favorable.

From the test results can be seen after the use of cooling pad, Notebook and battery external temperature drop is more evident. But the CPU, hard disk temperature TravelMate 4000 is basically unchanged. This indicates that the "optimal performance" state, the heat emitted mainly from the Notebook and battery graphics cards.
Use exhaust fans after the test results

To a laptop fitted with exhaust fans, the air quickly through the laptop inside.

From the test results can be seen in the use of exhaust fans after the Notebook and battery vents the temperature has fallen markedly. However, the BATCL50L laptop outside the other eight samples point temperature while cooling products than non-use of a low but higher than when using the cooling pad high. Indeed, so divergent exhaust fans to vent the heat more easily near the discharge, but other parts do not have any effect.
Test results of the use of double thermal

Loaded on to a laptop cooling pad and exhaust fans, the laptop both inside and outside air speed away.

From the test results can be seen that the application of two kinds of cooling products to cool the laptop both inside and outside clearly.

Based on the above simple test results, we can assume Notebook and TravelMate 290 battery cooling products like Notebook and battery a long time to run in the "optimal performance" state of the friends is more useful. If you buy laptop used only for the daily processing documents, chat, watch videos, and web pages and general operations such as listening to music, you do not need to buy laptop cooling solution. However, if you buy a Notebook and battery for watching high-definition, play games, then such cooling products will help you to effectively control the temperature of Notebook and battery.