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GeForce GTX 460 1GB vs Radeon HD 6850
Intro
The GeForce GTX 460 1GB features a clock speed of 675 MHz and a GDDR5 memory frequency of 900 MHz. It also features a 256-bit bus, and uses a 40 nm design. It is comprised of 336 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.Compare all that to the Radeon HD 6850, which features a GPU core clock speed of 775 MHz, and 1024 MB of GDDR5 memory running at 1000 MHz through a 256-bit bus. It also is comprised of 960 SPUs, 48 Texture Address Units, and 32 Raster Operation Units.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 6850 |
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127 Watts |
| GeForce GTX 460 1GB |
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160 Watts |
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Memory Bandwidth
Theoretically speaking, the Radeon HD 6850 is 11% faster than the GeForce GTX 460 1GB in general, because of its greater data rate. (explain)
| Radeon HD 6850 |
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128000 MB/sec |
| GeForce GTX 460 1GB |
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115200 MB/sec |
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Texel Rate
The GeForce GTX 460 1GB will be a bit (more or less 2%) more effective at texture filtering than the Radeon HD 6850. (explain)| GeForce GTX 460 1GB |
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37800 Mtexels/sec |
| Radeon HD 6850 |
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37200 Mtexels/sec |
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Pixel Rate
If using a high resolution is important to you, then the Radeon HD 6850 is superior to the GeForce GTX 460 1GB, but it probably won't make a huge difference. (explain)| Radeon HD 6850 |
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24800 Mpixels/sec |
| GeForce GTX 460 1GB |
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21600 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 460 1GBAmazon.com
Check prices at:
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Radeon HD 6850Amazon.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 1GB | Radeon HD 6850 |
|---|---|---|
| Manufacturer | nVidia | AMD |
| Year | July 2010 | October 2010 |
| Code Name | GF104 | Barts Pro |
| Memory | 1024 MB | 1024 MB |
| Core Speed | 675 MHz | 775 MHz |
| Memory Speed | 3600 MHz | 4000 MHz |
| Power (Max TDP) | 160 watts | 127 watts |
| Bandwidth | 115200 MB/sec | 128000 MB/sec |
| Texel Rate | 37800 Mtexels/sec | 37200 Mtexels/sec |
| Pixel Rate | 21600 Mpixels/sec | 24800 Mpixels/sec |
| Unified Shaders | 336 | 960 |
| Texture Mapping Units | 56 | 48 |
| Render Output Units | 32 | 32 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit | 256-bit |
| Fab Process | 40 nm | 40 nm |
| Transistors | 1950 million | 1700 million |
| Bus | PCIe x16 | PCIe x16 |
| DirectX Version | DirectX 11 | DirectX 11 |
| OpenGL Version | OpenGL 4.1 | OpenGL 4.1 |
Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better 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 texture map elements (texels) that are applied per second. This is calculated 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 per second.
Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core 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 also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.
GeForce GTX 460 1GBAmazon.com
Check prices at:
|
Radeon HD 6850Amazon.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.
|
Comments
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