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Gaming Performance Comparison
In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 770 are marginally better than the AMD Radeon R9 280X.
The GeForce GTX 770 has a 196 MHz higher core clock speed and the same number of Texture Mapping Units as the Radeon R9 280X. This results in the GeForce GTX 770 providing 25.1 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.
The GeForce GTX 770 has a 196 MHz higher core clock speed than the Radeon R9 280X and the same number of Render Output Units. This results in the GeForce GTX 770 providing 6.3 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.
The Radeon R9 280X was released less than a year after the GeForce GTX 770, and so they are likely to have similar driver support for optimizing performance when running the latest games.
Both GPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings.
The Radeon R9 280X has 1024 MB more video memory than the GeForce GTX 770, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the Radeon R9 280X also has superior memory performance overall.
The Radeon R9 280X has 63.7 GB/sec greater memory bandwidth than the GeForce GTX 770, which means that the memory performance of the Radeon R9 280X is much better than the GeForce GTX 770.
The Radeon R9 280X has 2048 Shader Processing Units and the GeForce GTX 770 has 1536. However, the actual shader performance of the Radeon R9 280X is 1843 and the actual shader performance of the GeForce GTX 770 is 1667. The Radeon R9 280X having 176 better shader performance and an altogether better performance when taking into account other relevant data means that the Radeon R9 280X delivers a noticeably smoother and more efficient experience when processing graphical data than the GeForce GTX 770.
The Radeon R9 280X requires 250 Watts to run and the GeForce GTX 770 requires 230 Watts. We would recommend a PSU with at least 500 Watts for the Radeon R9 280X and a PSU with at least 550 Watts for the GeForce GTX 770. The Radeon R9 280X requires 20 Watts more than the GeForce GTX 770 to run. The difference is not significant enough for the Radeon R9 280X to have a noticeably larger impact on your yearly electricity bills than the GeForce GTX 770.
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|Max Power||250 Watts||vs||230 Watts|
|Recommended RAM||8 GB||vs||8 GB|
|Recommended Screen Size||1920x1080||1920x1080|
|Recommended PSU||500 Watts & 42 Amps||vs||550 Watts & 38 Amps|
|Mini Review||Radeon R9 280X is a high-end Graphics Card based on the Tahiti XTL core of the Graphics Core Next Architecture. |
The Tahiti XTL Core is an energy optimized version of the Tahiti XT2 Core previously used on Radeon HD 7970 GHz Edition and offers 2048 Shader Processing Units, 128 TMUs and 32 ROPs, on a 384-bit memory interface. While the central unit runs at 850MHz and goes up to 1000MHz, in Turbo Mode, the memory clock operates at 1500MHz.
In terms of performance, it is practically identical to Radeon HD 7970 GHz Edition but consumes considerably less energy thanks to the central unit's default clock being 150MHz lower.
The release price of $250 is what makes this graphics card attractive, as there are no Core changes from one card to another but rather a new cooling system.
|GeForce GTX 770 is a high-end graphics card based on the 28nm, Kepler architecture. |
It's based on the Kepler GK104 Core and therefore offer 1536 Shader Processing Units, 128 TMUs and 32 ROPs on a 256-bit memory interface of fast GDDR5. While the central unit runs at 1046MHz and goes up to 1085MHz in Turbo Mode, the memory clock operates at 1753MHz. It consumes up to 230W.
It's, therefore, a tweaked GeForce GTX 680 that performs up to 5% better. Therefore, it's suited for a 1080p resolution and to play the most demanding games at the highest settings.