Laptop Gaming: Optimize Performance on Portable PCs

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Rules of Thumb: Game Settings

The games themselves are where you have the most control over both graphics quality and performance. Here are some key settings that are worth considering when you're playing on a laptop.

  • If the game gives you the option of choosing which version of DirectX to use, go for the lower-numbered version. Performance will almost certainly be better, and image quality won't substantially degrade.
  • Look for a global setting in the game's graphics configuration screen. It may allow you to choose settings such as 'optimal', 'medium', or 'low'. Experiment with different global settings to see if one will work best for your laptop.
  • Some games enable antialiasing by default, no matter what hardware the game detects. On laptops it's a good idea to turn off antialiasing, as it's a tremendous graphics-performance hog.
  • Shadows are another significant drain on performance, particularly at higher settings. Turning shadow settings off will make the game look less realistic, but you can typically get by with setting this feature to 'low' without much of a performance hit. On lower-end hardware, or on systems with integrated graphics, disabling shadows entirely may be best.
  • If you have the option of setting the view distance (how far into the virtual world you can see objects), reduce it to a visually acceptable level. Push it too low, and objects may pop out in a jarring way.
  • Set postprocessing effects to a minimum. The game may have no specific setting for postprocessing, however; instead, you may see features such as depth-of-field and motion blur. If the result looks similar to a film effect, it's probably postprocessing. Specialized water and flame effects may also fall under this category.
  • Try starting with lower resolutions, such as 1280 by 720, and then pushing up the resolution gradually. On smaller LCDs, though, it's better to turn up features first, and then the resolution.

As an example, here's a look at Sid Meier's Civilization V, the latest in the long-running Civilization franchise. It's a turn-based game, which means that you can play at your own pace. By the same token, it's a demanding game graphically, taking advantage of the latest DirectX 11 graphics technology built into Windows 7.

This game gives you two options: DirectX 9 and DirectX 10 & 11. If you want to maximize performance, choose the DirectX 9 option and then set most of the in-game settings to low, as shown below. You still get fairly attractive graphics while playing the game.

This is a good general rule of thumb with any game: If the title gives you the option of dropping down to an older version of DirectX, do it. You probably won't notice any image-quality difference unless you look very closely, and performance will be better--in some games, the difference is 50 percent or more.

Choose Your Games Wisely: Picks for Different Laptops

What laptop hardware you carry around may be the deciding factor as to what games you play. A netbook won't be able to handle the heavy demands of a modern first-person shooter, but it might be quite capable of playing casual or older titles.

A 6-pound thin-and-light laptop with modest discrete graphics, on the other hand, may prove surprisingly capable. Here are a few games that would be playable at low-to-medium settings on each class of system.

Netbook Gaming

We're definitely in low-end territory here. Casual games such as Peggle, Puzzle Quest, and Plants vs. Zombies are playable on netbooks. The latter two titles even have strong appeal to more serious gamers. You'll also find certain classes of games that attract hard-core gamers but have low-quality graphics or even old-school ASCII text, making them very playable on laptops; examples of these games include Dwarf Fortress and Minecraft.

Thin-and-Light, Integrated Graphics

Your game repertoire can expand a bit here, even if you have fairly entry-level Intel integrated graphics hardware such as that built into Core i5 processors. Most strategy games are playable, although you'll have to tweak the settings somewhat in certain more-demanding real-time strategy games. Some shooters, like those in the Call of Duty line and Valve titles such as Team Fortress 2, are quite playable if you're willing to dial down the settings to medium-low or low quality and set your resolution to something more modest, along the lines of 1280 by 720.

Thin-and-Light, Discrete Graphics

Now the choices expand even more. A few games, such as the very demanding Metro 2033 first-person shooter, may be only marginally playable, even at lower settings. But most games are playable if you're willing to sacrifice resolution and graphics settings.

The problem here is the variance in products. Thin-and-light laptops can have everything from the fairly high-end AMD Radeon HD 5850 Mobile or nVidia GeForce GT 445M to the entry-level nVidia GeForce GT 325M or AMD Radeon HD 5450 Mobile.

Case Studies: Looking at Two Laptops

Now it's time to turn to a couple of real-world examples. The first--the Toshiba Satellite T235, which ships with a 1.5GHz AMD Turion II Neo CPU--is an ultraportable, which offers better performance than a netbook, but not by a wide margin. The second is a mainstream thin-and-light laptop, the Asus N82j, a 14-inch unit with a Core i5 540M and a discrete nVidia GeForce GT 335M GPU.

What applies to the Toshiba is also likely to apply to netbooks, except that the Toshiba's integrated AMD graphics hardware offers higher performance for 3D.

Toshiba Satellite T235

No matter what I tried, I couldn't get decent first-person shooter performance out of the T235. Even relatively forgiving titles such as Portal and Team Fortress 2 were only marginally playable.

Civilization V ran fine in DirectX 9 mode, with most graphics features turned down. Animations were a little ragged; since this game is turn-based, that isn't a big deal. However, you should definitely keep map sizes smaller--a large or huge map with many AI players means long waits as turns are executing.

Games like Puzzle Quest ran well. The oddly fun side-scrolling shooter Blade Kitten also offered reasonable performance.

Asus N82j

The N82j is one of a new breed of laptops that support nVidia's Optimus technology. The system runs with integrated Intel graphics in normal use--office apps and Web surfing, for instance--but when you launch a game, the discrete nVidia GeForce GT 335M graphics kick in.

Even so, the GT 335M is a midrange mobile 3D part, which would be entry-level on a desktop system. So I had to make some sacrifices. Although I had to set the combat flight simulator Tom Clancy's HAWX to DX9 mode with mostly low settings, the game ran above 30 frames per second, which is acceptable for this class of game.

Far Cry 2 ran at about 30 fps in DX9 mode, too, but with most graphics features set to 'low' and the resolution at 1280 by 720. Civilization V performance, even on a large game, was reasonably good, though the game ran with DirectX 9 graphics at medium settings.

Game On

If you're mostly a mobile PC user, as are an increasing number of people, you can still get your gaming fix. All you need is a little knowledge, a desire to experiment, and a willingness to run your games at more modest graphics settings. Not every game will run on every laptop well, but you should be able to find excellent titles that will tickle your gaming fancy, whatever your hardware budget.

Related Article: How to Optimize Your Windows 7 PC

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