Alienware X51 Gaming Desktop

Available with Windows 8 — designed for a smooth, versatile PC experience.

Versatile design. Optimal Performance.
Whether you choose to display your Alienware X51 vertically on your desk as a token of victory or horizontally to optimize your gaming space, you’ll have more than enough performance to satisfy your gaming needs.
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Mind-blowing performance, visuals, and sound
Gaming, movies and other images jump off the screen with the optional powerful NVIDIA® GeForce® GTX 960 graphics card, Full HD, 3D and Blu-ray capabilities of the Alienware X51. For those seeking a system that can handle high-performance video and audio content creation, look no further than Alienware X51.
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Upgrade and customize your machine
Play your way, now and in the future. With the ability to upgrade standard desktop components, Alienware X51 is engineered to help you boost your gaming and entertainment experience at any time and dominate games well into the future. For your real-time modifications, Alienware X51 is armed with Wi-Fi and ample front and rear I/O ports (including a total of 8 USB ports ) to provide complete peripheral customization to fit your very own winning strategy. 
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Complete your Alienware X51 experience

Your Alienware X51 is just the start. When you buy from Dell, you can get much more than just a gaming system. You can customize an experience that's just right for you.

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First generation versus new Alienware X51 gaming performance

The chart below shows how far the performance has evolved on the Alienware X51 from its first generation launch on January 2012 to the current generation. Using 3DMark 2011 Extreme as a benchmark, you can see how the overall gaming performance has increased by up to 467 percent.

First generation

New Alienware X51

 

Overall processor and graphics performance

We've taken some of the key configurations offered and collected the 3DMark Vantage CPU benchmark scores and 3DMark for Windows Fire Strike scores to show a comparison of how performance increases by configuration with a focus on CPUs and GPUs, respectively.

Scaled 3DMark Vantage CPU score

Scaled 3DMark for Windows Fire Strike graphics test

Real-time in-game performance

Using some of the major titles out there today like Bioshock Infinite and Tomb Raider we were able to use their built-in benchmark tools to measure how many frames per second the Alienware X51 can generate using the key configurations. Even with our lowest end configuration, the Alienware X51 can produce up to 41 frames per second at a resolution of 1920 x 1200.

Bioshock Infinite graphics settings    Overall quality (Preset)    Medium    Texture quality    Normal    Anti-aliasing    On    Texture filter    High    Dynamic shadows    High    Postprocessing    Normal    Light shafts    On    Ambient occlusion    Normal    Object level of detail    Normal    VSYNC    Off    Diffusion    None		Bioshock Infinite performance in frames per second
Tomb Raider graphics settings    Overall quality (Preset)  High    Texture quality  High    Texture filter  Anistropic 8x    Hair quality  Normal    Anti-aliasing  FXAA    Shadows  Normal    Shadow resolution  High    Level of detail  High    Reflections  High    Depth of field  Normal    SSAO  Normal    Postprocessing  On    Tesselation  Off    High precision  On    VSYNC  Off		Tomb Raider performance in frames per second