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GeForce GTX 460 vs Radeon HD 5870
Intro
The GeForce GTX 460 makes use of a 40 nm design. nVidia has clocked the core speed at 675 MHz. The GDDR5 memory runs at a speed of 900 MHz on this specific card. It features 336 SPUs along with 56 Texture Address Units and 24 ROPs.Compare all that to the Radeon HD 5870, which features a GPU core clock speed of 850 MHz, and 1024 MB of GDDR5 memory set to run at 1200 MHz through a 256-bit bus. It also features 1600(320x5) Stream Processors, 80 TAUs, and 32 Raster Operation Units.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| GeForce GTX 460 |
|
150 Watts |
| Radeon HD 5870 |
|
188 Watts |
|
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Memory Bandwidth
In theory, the Radeon HD 5870 should perform quite a bit faster than the GeForce GTX 460 overall. (explain)
| Radeon HD 5870 |
|
153600 MB/sec |
| GeForce GTX 460 |
|
86400 MB/sec |
|
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Texel Rate
The Radeon HD 5870 should be much (approximately 80%) faster with regards to texture filtering than the GeForce GTX 460. (explain)| Radeon HD 5870 |
|
68000 Mtexels/sec |
| GeForce GTX 460 |
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37800 Mtexels/sec |
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Pixel Rate
The Radeon HD 5870 will be much (about 68%) faster with regards to FSAA than the GeForce GTX 460, and also will be able to handle higher screen resolutions without slowing down too much. (explain)| Radeon HD 5870 |
|
27200 Mpixels/sec |
| GeForce GTX 460 |
|
16200 Mpixels/sec |
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Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.
Price Comparison
GeForce GTX 460Amazon.com
Check prices at:
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Radeon HD 5870Amazon.com
Check prices at:
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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.
Specifications
| Model | GeForce GTX 460 | Radeon HD 5870 |
|---|---|---|
| Manufacturer | nVidia | AMD |
| Year | July 2010 | September 23, 2009 |
| Code Name | GF104 | Cypress XT |
| Memory | 768 MB | 1024 MB |
| Core Speed | 675 MHz | 850 MHz |
| Memory Speed | 3600 MHz | 4800 MHz |
| Power (Max TDP) | 150 watts | 188 watts |
| Bandwidth | 86400 MB/sec | 153600 MB/sec |
| Texel Rate | 37800 Mtexels/sec | 68000 Mtexels/sec |
| Pixel Rate | 16200 Mpixels/sec | 27200 Mpixels/sec |
| Unified Shaders | 336 | 1600(320x5) |
| Texture Mapping Units | 56 | 80 |
| Render Output Units | 24 | 32 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 192-bit | 256-bit |
| Fab Process | 40 nm | 40 nm |
| Transistors | 1950 million | 2154 million |
| Bus | PCIe x16 | PCIe 2.1 x16 |
| DirectX Version | DirectX 11 | DirectX 11 |
| OpenGL Version | OpenGL 4.1 | OpenGL 3.2 |
Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transferred across the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.
Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.
Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.
GeForce GTX 460Amazon.com
Check prices at:
|
Radeon HD 5870Amazon.com
Check prices at:
|
Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.
|
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