Gaming on Laptop: Are Dedicated Keyboards Good Enough?

Most laptop users are also the admirers of computer games. They enjoy the action in the virtual world. In general, laptops can't satisfy the need of gamers. As far as I know, most of them love to use desktop while playing  games.

As a consequence, there are added laptops solely created for gaming purpose. The laptop keyboard gets decreased quickly while gaming, so gamers prefer to buy a replacement such as a USB keyboard. As an affiliated keyboard, it prolongs laptop keyboard’s lifetime.

In case of options, features, price, gaming keyboards are different from the other regular laptop keyboards.  When you decide to buy a gaming keyboard, you need to bring these factors into consideration. First of all, we should know the keyboard’s durability for long-term gaming use. That is to say, the main factor is anti-toughness. Second is the ergonomics. Some integrated keyboards are ergonomic and customizable. In this way, it is able to reduce the annoyance of long hitting and have your hands in a released condition. Moreover, the hot keys and short cut keys are important as gaming involves the key handling. These keys should be distributed accordingly to your preference. Better to try the gaming keyboard yourselves rather than merely reading reviews in the website. Or you may end up buying a gaming keyboard that does not suit your gaming style. And that means wasting lots of money.

Which one do you think is more enjoyable for gaming?

It's known that gaming keyboard has more ability and features than the regular laptop keyboard. As a consequence, many of them come with high price. But if you are not a gamer, odds that you will never need a gaming keyboard.

General Tidbits For Buying A Gaming Computer

When looking to buy a gaming computer for your gaming needs, there are thousands of choices to choose. Most of the time, they will blow every computers around out of the water. However, knowing what components you need for gaming computer allows you to ignore the marketing hype and nonsense and find the right gaming computer configuration at the right price.

Whether you opt to shop for a pre-assembled computer or buy components individually and assemble your own personal gaming powerhouse, the necessary parts stay similar. whereas it used to be all concerning processors, speeds have increased to the purpose that any processor created within the previous few years can provide over enough performance for many games when let alone correct parts. For many games, a dual-core processor with a clock speed around 2.4 GHz can suit most gaming needs. Compare costs but, as a four, six or eight-core processor will give enhancements if the value is correct. Whereas a faster processor might increase gaming performance slightly, they're the foremost expensive thanks to increase performance. These days, the necessary factors when selecting a gaming computer are a correct graphics card and adequate RAM to permit snappy computer response.

With the cheap value of RAM, it's usually one in every of the most cost effective components to splurge on for a few added multitasking performance. Whereas the advantages of RAM in gaming are often restricted on the upper-end of the size, further RAM can give fast response times when doing different tasks on your computer whereas gaming. As a vacant minimum, 2GB of RAM might suffice. However, it's advised to induce 4GB of RAM. For added performance boosts, upgrading to 6GB or additional of RAM can enable space to grow and provides noticeable results.

The true workhorse of the gaming computer is that the graphics adapter or video card. These devices handle the show of any video or graphics, create a colossal distinction in video quality and improve frame rates. Select a computer with an infatuated graphics adapter for the simplest performance. Whereas on-board video processors have improved, they can’t match the raw video processing power that dedicated cards can harness. When selecting a video card, compare processing cores, most resolution, out there memory, and memory and processor speeds. An excellent resource for comparing video card performance is often found at Video Card Benchmarks.

VIDEO: Xbox 720 Makes Appearance in Real Steel Movie

Fans have spotted the Xbox 720 in the latest Real Steel trailer.



Did Microsoft just secretly reveal the name of the next Xbox console, or is it just a joke on behalf of the producers of Real Steel who figured the Xbox 720 would be a popular console nine years from now?

According to Gamespot, sharp-eyed fans have spotted an Xbox 720 banner displayed on the right side of the robot boxing arena in the latest Real Steel trailer. Save for the numbers, it's identical to the current Xbox 360 logo, and falls in line with Coca-Cola, Capitol One, Mercedes-Benz and other popular brands sponsoring the event.
Gamespot reached out to Microsoft and asked about the Xbox 720's appearance, but the Redmond company firmly replied that it "does not comment on rumors or speculation." In this particular case, the appearance of the logo in a motion picture really doesn't fall in either category, so Microsoft still has some explaining to do.
After all, DreamWorks Pictures can't use the Xbox logo without Microsoft's permission.
Real Steel is the latest science fiction action film starring Hugh Jackman and is based on a 1956 short story called "Steel" by Richard Matheson (I am Legend, A Stir of Echoes, Hell House, original Twilight Zone episodes). The setting is 2020, and robots have replaced humans as boxers. The story centers on former boxer Charlie Kenton who teams up with his son to build a robot and win the boxing championship.

Real Steel

Source: Tom's Guide

AMD Releases Catalyst 11.10 Preview for Battlefield 3

With today's launch of the Battlefield 3 early beta, AMD has released a preview build of their Catalyst 11.10 drivers specifically for Battlefield 3. The Catalyst 11.10 Preview driver improves BF3 performance on the Radeon HD 5000 and 6000 series for both single-GPU and CrossFire configurations, and adds support for 5x1 Eyefinity. The full release notes are below:

• Improves performance in Battlefield 3 Open Beta release for both non-Anti-Aliasing, and application enabled Anti-Aliasing cases on the AMD Radeon™ HD 6000 and AMD Radeon™ HD 5000 Series for single GPU configurations
• Improves performance in Battlefield 3 Open Beta release for both non-Anti-Aliasing, and application enabled Anti-Aliasing cases on CrossFire configurations using the AMD Radeon™ HD 6000 and AMD Radeon™ HD 5000 Series
• Enables support for Eyefinity 5x1 display (portrait and landscape) configurations  using the AMD Radeon™ HD 6000 and AMD Radeon™ HD 5000 Series
• Vision Engine Control Center:    User Interface enhancements have been implemented for the CrossfireX, GPU Overdrive, and Information Center pages.

Source: AnandTech

PSU Amps

What is am amp? An amp is an ampere, which is a measure of electrical current. Imagine electricity as water in a pipe. Voltage is the pressure being applied to the pipe, while current is the amount of water in the pipe. Voltage "pushes" the water through the pipe and current is how much water actually arrives at the location.

So they have voltage and current. What about power? Power is voltage times current.

Current * Voltage = Power

Amps * Volts = Watts

VI=P

Computer power supplies deliver power at multiple different voltages, to be used by different devices. There is +12V, +5V, +3.3V, +5V standby, and -12V.

These voltages stay constant. The amount of current varies to meet the requirements of the computer the PSU is connected to. A power supply is rated on each voltage rail to supply up to the rated current. So if a technique is rated to provide 20A on the +12V, the PSU can safely provide up to 20A on that rail (usually the over current protection will shut in around 22-25A).

Now, in the event you were being attentive above you ought to have noticed that the +12V rail powers much over the other rails do, including heavy hitters like the CPU and GPU. This has been the case since the year 2000 when the ATX12V specification was introduced, replacing the elderly ATX specification; and the ATX12V has since been refined further with ATX12V 2.x.

So, all modern systems draw all of their power from the +12V rail, usually 75%-95% depending on the system. So naturally you ought to expect power supplies to deliver 75%-95% of their power on the +12V rail as well.

And when I recommend a power supply, it will have 80%+ of its power available on the +12V rail.

If the total +12V capacity is less than 80% of the power supply's total wattage rating then it ought to be thought about to have a lower wattage than what it is labeled as. So you take the total +12V capacity and divide by 80% (0.80) and that is the "real" wattage with regards to modern systems. So in the event you have a 500W power supply with 350W on the +12V rail then it ought to be thought about to be a 430W power supply, since 350/0.8 = 437.5 (feel free to round up or down a bit; try to stay within 10W).

Having a +12V current rating that makes up over 80% of the PSU's wattage rating does not make it a higher wattage power supply. This is because the wattage will usually be limited by some other part (usually the primary side parts) than the rectifiers that produce +12V current.

But how do you get the total +12V capacity? It is usually labeled right on the power supply. However, some power supplies don't list total capacity in watts, only the current ratings. If the power supply is a single rail then you multiply the current rating times 12V to get the wattage. But what if a PSU has multiple +12V rails? You don't add all of them together. You require to discover a combined +12V wattage rating, and if it doesn't list it then there is no way to know without either finding the OEM version of that PSU or finding a professional review to tell you its approximate capabilities.

Taking a look at +12V amperage will tell you what a power supply's actual capabilities are. But at the finish of the day, with quality power supplies (such as I will recommend), amperage is NOT more important that wattage. Taking a look at the current ratings is basically a device to tell you more about a power supply. Which PSU has a bigger amperage rating is not the way you ought to pick what PSU you pick or declare "better".

The All New LGA 2011 and Sandy Bridge-E for Enthusiasts

Frankly speaking, Intel wasn't raring to go to reveal lots of details about the new Sandy Bridge-E & LGA 2011. & there are several reasons behind it. Obviously, they already know everything they desired to know about these new products. They will come out soon, so at this point you may even find some benchmark results of the engineering samples available online. The second reason why Intel was so restrained is the fact that there is not that much to tell about these CPUs, because they cannot boast any unique technological innovations. Sandy Bridge-E is the same exact Sandy Bridge, & for the most part the differences are actually in the number of processor cores & the connection between them.

In fact, the next slide shows clearly that there won't be anything new about the Sandy Bridge-E processors & LGA 2011 platforms, which Intel codenamed Waimea Bay.

Desktop Sandy Bridge-E processors will be manufactured using well-familiar 32 nm production process & will have or 6 computational cores depending on the CPU model. Note that they will lose the graphics core, but instead they will receive a bigger L3 cache & an enhanced four-channel memory controller supporting DDR3-1333. The L3 cache in this case will be 15 MB giant. In other words, the main advantage of the upcoming LGA 2011 platform will be high performance, which must be delivered at any cost:

 Increased number of computational cores;

 Hyper-Threading know-how support;

 Turbo Boost know-how support;

 Larger L3 cache;

 Four-channel memory controller;

 High clock frequencies.

Unlike LGA 1155, the new LGA 2011 platform is aimed at experienced fans & betting fans that is why Intel pays special attention to the ability to make use of high-performance graphics sub-systems made of several graphics accelerators. LGA 2011 systems have as lots of as 36 PCI Express 2.0 lanes. And incidentally, Intel said that they will also support PCI Express 3.0, although at this point they haven't even passed their certification yet. Later on, however, when actual AMD & Nvidia graphics cards featuring this interface come out, they will all work at full speed, without losing any of the graphics bus speed.

AMD Radeon HD 7900 with Latest XDR2 Rambus Memory

A leaked AMD next-gen road map revealed what could possibly be the company's upcoming Radeon GPU roster for this fall. Initially consisting of new GPUs, these will be manufactured using the 28nm VLIW4 architecture & utilize GDDR5 memory. However, the high-end 7900 cards codenamed "Tahiti" will be armed with the much faster XDR2 memory interface, which AMD claims is times as quick as that of GDDR5, & consume 30 percent less power. Both the Radeon HD 7970 & 7950 also come equipped with an immense bandwidth of 32 GB/s, thanks to the PCIe Gen3 interface. The flagship Radeon HD 7970 has 2,048 Radeon Cores, 1,000 MHz GPU clock & 2GB XDR2 memory running at 8,000 MHz. Furthermore, the VLIW4 architecture present in the mainstream 7000 series will get replaced in favor of AMD's new Graphics CoreNext GPU architecture. The 7970 is expected to consume an average of 190 watts of power, which is 60 watts lower than the Radeon 6970's average power consumption. These are all impressive specs to be positive, but they won't be seeing the 7970 & 7950 cards strut their stuff until Q1 2012, at the earliest. All the same, AMD's next GPU salvo lines up much with its much anticipated 8-core Bulldozer FX CPUs, which ought to be obtainable Q4 2011.

What is Anti Aliasing and What Does It Do? -last part

Multisampling

Multisampling is a more efficient but slightly less kind of Anti-Aliasing. Multisampling takes multiple samples for each pixel. In a standard example the quincunx method takes samples in the corners & sample in the middle. Each of these samples is given a weight the corners are given a weight of 1/8 each & the centre sample is given a weight of 1/2. The color of the pixel is then determined by similar calculations to Supersampling.

 

With multisampling each cell on has samples in it. Taking a glance at the diagram below you can see that the other samples are taken from neighboring cells. So multisampling takes in to account the colors around the pixel in query. This is the way you receive a blend of color to accomplish the desired result. It is important to note that Multisampling only happens when a cell is covered my over color, otherwise a single color is selected & does not need to be calculated.

Levels of Anti-Aliasing

This refers to the amount of samples taken to pick the color of the pixel. The higher the sample rate the better the quality of picture but the slower the picture will be rendered. FSAA will be often called FSAA 2x or FSAA 4x, 6x & 8x are also available but have a bigger performance hit & need more powerful graphics cards.

2x FSAA

The picture above shows samples taken from a graphics card using FSAA 2x, samples are taken in corners & used to produce the pixels color. With FSAA 4x below you simply double the amount of samples taken for each pixel from FSAA 2x.

4x FSAA

When this is completed on every pixel along an edge, the blending is much smoother & even less noticeable. As always though, the trick is to balance quality & performance for your individual machine.

Pros & Cons - The Summary

There are pros & cons for using anti-aliasing in both games & applications. They have been through them but here is a rapid summery to help you make up your mind if using AA or FSAA is best for you & your PC

Pros

• Smoothes out screen fonts
• Rounded edges look to have smooth curves
• Type can be simpler to read due to better quality fonts
• Games look a lot prettier & more realistic

Cons

• Tiny text can be blurred to read
• Already sharp edges can be made fuzzier
• You can’t print out Anti-Aliased text as it blurs
• Static picture sizes are larger
• Games are affected by lower frame rates

What is Anti Aliasing and What Does It Do? part 2

Why does Anti-Aliasing slow down frame rates?

This is a simple. Anti-Aliasing is done by specific calculations to choose which pixels are drawn additional & in what shade to accomplish the desired result. The graphics card usually takes charge of this task. Due to these additional calculations the graphics card has to give a quantity of its processing power to finishing these calculations. This affects the amount of processing power left to render the scene.

Usually the frame rates are affected by the amount of pixels per second your graphics card can render, providing the CPU & other parts can keep up. When you are using anti-aliasing the amount of pixels that your graphics card can render will lower by a degree & therefore cut your frame rates in games down.

What is FSAA?

FSAA stands for Full Scene Anti Aliasing & is used as the most common term for Anti-Aliasing in the gaming world. FSAA refers to a process of Anti-Aliasing that affects the whole screen not a certain picture. When playing a game with FSAA turned on the graphics card will run an Anti-Aliasing algorithm on every frame from top to bottom removing jagged edges from the whole scene. This can have a giant hit on performance in games & has only been overcome recently by having much more powerful graphics cards on the market.

Types of Anti Aliasing

There are main types of Anti-Aliasing techniques, Multisampling & Supersampling. There are varieties of each as graphics card manufacturers find improved ways of getting the same result. Finding ways to limit the performance hit is the main priority. Here they will look at the general picture of the techniques. First they will concentrate on Supersampling.

Supersampling

Supersampling is a process of Anti-Aliasing by taking the corners of each pixel & generating what would be the average color. This is then the displayed pixel on the screen. By doing this you are effectively smudging the picture & averaging out the color along a curve.

This basic graphic shows you what would happen when Supersampling is used in the squares in the center of this picture. Three of the four squares are in both red & white areas & so will be displayed as a shade of orange. One of the squares is fully in the white zone & so that pixel will be displayed as a pure white pixel. If of the samples was taken from an area that was full in the red zone then that pixel would be displayed as fully red.

Obviously samples are much more complex than this, having plenty of more colors to average out; however the principles stay the same. A mathematical calculation is done to choose the average color for each pixel. Effectively Supersampling renders the scene times larger than the true scene & is then scaled down time the calculations are complete. This process has a giant performance hit but does give the best results.

continued in part 3, stay tuned and subscribe to us for updates!