Why all-in-one PCs suck at gaming (plus one that doesn't!)

PC gamers fear me. They scowl when they boot up Far Cry 3 only to see my stuttering frame rates, low resolution, and lack of antialiasing. Just name it&#;if it&#;s a critical graphics setting, I&#;ve disabled it.

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I may look pretty on the surface, and I may be practical, but my gaming performance is almost always disappointing. I am the all-in-one desktop PC.

Duc Dang, Toshiba&#;s Senior Product Manager, says all-in-one PC sales have grown 32 percent in the last couple of years, making them a major focus in the evolving PC ecosystem. The success should come as no surprise, as all-in-ones can make ideal family machines. By integrating a display and PC in a single, slender chassis, they eliminate desk clutter and reach relatively low prices.

Unfortunately, however, most all-in-ones do so at the expense of gaming performance&#;which is not only back-burnered, but usually taken off the stove completely. Cheap, integrated graphics and low-performance CPUs may be perfect for super-thin all-in-ones (which, from an engineering standpoint, have more in common with laptops than desktops), but they don&#;t foster great PC gaming.

Yet there is hope for all-in-ones thanks to one manufacturer serving a very vocal, niche market. 

The first of its kind

Maingear&#;s Alpha 24 doesn&#;t look like your typical sleek and sexy all-in-one PC. It has much more, well, &#;desk presence&#; thanks to a bulkier chassis and multiple power adapters, which are necessary to fuel the insane graphics hardware locked within.

&#;As the popularity of all-in-ones has increased over the last few years, PC manufacturers started to create thinner and more stylish designs, but also used mobile parts,&#; says Chris Morley, Maingear&#;s Chief Technology Officer. &#;We saw an opportunity with the Alpha 24 to put together an all-in-one that offers high-performance desktop components, and the ability to upgrade for future-proofing, which appeals to PC gamers.&#;

MAINGEARA full-sized GeForce GTX 680 is built right into the machine.

All that future-proofing starts with a discrete, high-end Nvidia graphics card that can be swapped out later on&#;just like you might do with a traditional desktop machine. Says Morley: &#;Form followed function. With that in mind, we started by building the Alpha 24 around the NVIDIA GeForce GTX 680 GPU.&#;

That GTX 680 is not only one of the most powerful GPUs around, it&#;s also a full desktop video card that actually requires not one but two extra power cables (for a total of three cables for the entire PC). The Nvidia card (and other high-end components) forced Maingear to engineer a much wider chassis than what you&#;ll find in a typical all-in-one, but the greater chassis width helps alleviate heating issues. &#;This isn&#;t the solution most mainstream users would want to see,&#; says Morley, &#;but PC gamers care about performance, and we know the majority of our customer base wouldn&#;t mind.&#;

In addition to the GTX 680, our Alpha 24 review unit has a 24-inch, LED backlit, two-point touch screen; an Intel Core i7-K processor; 16GB of DDR3- RAM; and a huge 480GB SSD. In essence, it&#;s a serious desktop gaming machine with a built-in display.

MAINGEAR

The Alpha 24 managed to crush our WorldBench 7 graphics benchmark, achieving 87 frames per second in Crysis 2, and 144 frames per second in Dirt 3 on the highest visual settings at the screen&#;s native resolution of by pixels. The upshot is that this machine should easily be rocking the latest games for at least the next few years.

A full review of the Alpha 24 will be coming soon.

Why do all-in-ones suck at gaming?

So, yes, it can be done: A computer built into a monitor can achieve killer performance in even the most demanding games. So why are we seeing so many all-in-one companies struggle to achieve even the most basic frame rates?

Dang says hardcore PC gaming is a relatively small, niche market, and most all-in-one manufacturers aren&#;t making gaming performance a focus at this point. Indeed, most companies are striving to make their all-in-ones as sleek and thin as possible, and this presents engineering challenges. The machines simply don&#;t have the interior space to accommodate desktop-grade graphics, let alone their accompanying cooling solutions. As a result, all-in-ones are often loaded with GPUs from the laptop parts bins&#;integrated graphics capable of only choppy, low-res game play.

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Discrete mobile graphics cards are still permanently attached to the motherboard.

And even if a PC manufacturer does use a discrete GPU, it&#;s usually still a mobile version that&#;s permanently soldered to the all-in-one&#;s motherboard, which prevents any future upgrading. Toshiba&#;s most recent 23-inch all-in-one, the LX835-D, comes equipped with some pretty spiffy specs, including a great middle-of-the-road mobile graphics chip, the Nvidia GeForce GT 630M.

However, even with this discrete graphics solution, the machine couldn&#;t reach more than 20 frames per second in any of our WorldBench 8 gaming tests.

Now, not all discrete mobile GPUs will dash your hopes and dreams. The Nvidia GeForce GTX 680M is the mobile version of one of the most powerful graphics card available today, and is able to play the latest and greatest games well beyond the coveted 60 frames per second mark. Unfortunately, though, you&#;ll be hard-pressed to find a GTX 680M in an all-in-one. They are reserved for hardcore gaming laptops, which can top $3,000.

The HP Compaq uses a thin copper heat sink to stay cool. A computer under the heavy load of a game would generate more heat that this could disperse.

And even if you were able to get a GTX 680M into an all-in-one, it would generate an abundance of heat, which brings another problem to light: A lack of vents and fans creates a hot and unstable all-in-one interior. Indeed, manufacturers want their all-in-ones to be whisper-quiet, and integrating large fans and vents runs counter to the greater goal.

The lack of internal space also creates a domino effect that limits a company&#;s ability to stuff its all-in-ones with hardcore components. Large power supplies won&#;t fit inside the machines, so manufacturers instead use external power adapters. These external power bricks, however, can&#;t supply all the juice necessary for top-notch components (let&#;s not forget the Alpha 24&#;s video card requires three separate power cables).

And, of course, just like notebooks, all-in-ones are equipped with specialized integrated components that save space, but can&#;t be upgraded for newer, faster parts. Yes, in some cases, RAM and hard drives can be replaced, but these upgrades will only take you so far. Your all-in-one system stays the same, while your games&#; demand for performance continues to grow.

MAINGEARAll-in-ones with HDMI input can do some hardcore gaming&#;with the help of a console.

Compromise until help arrives

Darren Gladstone, the &#;blogger-in-chief&#; for HP&#;s The Next Bench blog, believes that it&#;s just a matter of time before more all-in-ones are capable of serious PC gaming. In particular, he&#;s excited to see what the upcoming Haswell processors will do for games in typically underpowered systems. Haswell is expected to double the integrated graphics power of Ivy Bridge&#;s HD, while still remaining energy efficient and cool. 

Until Haswell or some other hardware breakthrough arrives, Gladstone feels that there could be some compromise on the gamer&#;s end. Experimenting with your graphics settings will lead to playable frame rates in any adequate all-in-one, he says. His first strategy is to lower overall resolution; this will let you retain high-end effect settings. Next, you can tweak minor, individual graphics settings until you find a settings profile that runs at an acceptable frame rate.

The myriad of graphics options waiting to be tweaked in Battlefield 3.

Hopefully, we&#;re on the verge of technological breakthroughs that will bring performance PC gaming to more all-in-ones. Maingear has taken the first step, and CEO Wallace Santos believes it&#;s time to revolutionize: &#;In this day and age, there shouldn&#;t be a reason anyone would need to compromise for an all-in-one performance PC.&#;

Certainly, an all-in-one PC equipped with a dedicated graphics card and a robust processor is more than capable of handling gaming tasks. While it may not match the performance levels of top-tier gaming desktops, it can deliver a satisfying gaming experience for casual and mid-level gamers, especially when configured with the right settings.

As a device designed to seamlessly integrate computer components, an all-in-one computer finds common use in office work and general entertainment. In practice, these machines excel at running games with medium to low requirements. However, optimizing the gaming experience requires careful consideration of the hardware configuration.

1. Processor Performance: Given that the processor in an all-in-one PC is typically integrated into the rear panel or base, choosing a model with a high-performance processor is crucial for gaming. Modern all-in-one PCs often feature powerful Intel Core i5 or i7 processors, ensuring ample computing power for a smooth gaming experience.
2. Graphics Performance: While most all-in-one computers come with integrated graphics suitable for daily tasks, demanding games often necessitate a discrete graphics card. Premium all-in-one PCs may showcase independent graphics cards from the NVIDIA GTX or AMD Radeon RX series, delivering superior graphics performance tailored to various gaming needs.
3. Memory and Storage: To guarantee a seamless gaming experience, sufficient memory is imperative. All-in-one PCs usually offer a minimum of 8GB or more, suitable for general gaming. Additionally, the use of fast solid-state drives (SSDs) for system and game storage enhances loading times, contributing to an improved gaming experience.
4. Display Quality: All-in-one PCs are renowned for their high-resolution, vibrant displays, a crucial factor for gaming. A higher resolution and faster refresh rate contribute to clearer and smoother game graphics, immersing users more deeply into the gaming world.

With the mentioned hardware configuration, an all-in-one machine is more than capable of smoothly running a variety of popular games, including but not limited to:

1. Shooting Games: Call of Duty, Rainbow Six: Siege
2. Role-playing Games: "The Witcher 3: Wild Hunt," "The Elder Scrolls V: Skyrim"
3. Real-time Strategy Games: "StarCraft II," "Total War: Three Kingdoms"

It's essential to note that these recommendations offer a general guideline, and specific game performance may be influenced by the optimization and updates of the games themselves. Stay tuned for updates, and ensure your system meets the recommended specifications for each game for an optimal gaming experience.

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