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GeForce GTX 570 vs Radeon HD 6870
Intro
The GeForce GTX 570 comes with a core clock frequency of 732 MHz and a GDDR5 memory frequency of 950 MHz. It also makes use of a 320-bit memory bus, and makes use of a 40 nm design. It is comprised of 480 SPUs, 60 Texture Address Units, and 40 ROPs.Compare those specifications to the Radeon HD 6870, which features core speeds of 900 MHz on the GPU, and 1050 MHz on the 1024 MB of GDDR5 memory. It features 1120 SPUs as well as 56 Texture Address Units and 32 ROPs.
Benchmarks
These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.
3DMark Fire Strike Graphics Score
| GeForce GTX 570 |
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4387 points |
| Radeon HD 6870 |
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2870 points |
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Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 6870 |
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151 Watts |
| GeForce GTX 570 |
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219 Watts |
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Memory Bandwidth
In theory, the GeForce GTX 570 is 13% faster than the Radeon HD 6870 overall, because of its higher data rate. (explain)
| GeForce GTX 570 |
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152000 MB/sec |
| Radeon HD 6870 |
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134400 MB/sec |
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Texel Rate
The Radeon HD 6870 is just a bit (approximately 15%) better at anisotropic filtering than the GeForce GTX 570. (explain)| Radeon HD 6870 |
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50400 Mtexels/sec |
| GeForce GTX 570 |
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43920 Mtexels/sec |
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Pixel Rate
The GeForce GTX 570 will be just a bit (about 2%) better at AA than the Radeon HD 6870, and also able to handle higher resolutions without losing too much performance. (explain)| GeForce GTX 570 |
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29280 Mpixels/sec |
| Radeon HD 6870 |
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28800 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 570Amazon.com
Check prices at:
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Radeon HD 6870Amazon.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 570 | Radeon HD 6870 |
|---|---|---|
| Manufacturer | nVidia | AMD |
| Year | December 2010 | October 2010 |
| Code Name | GF110 | Barts XT |
| Memory | 1280 MB | 1024 MB |
| Core Speed | 732 MHz | 900 MHz |
| Memory Speed | 3800 MHz | 4200 MHz |
| Power (Max TDP) | 219 watts | 151 watts |
| Bandwidth | 152000 MB/sec | 134400 MB/sec |
| Texel Rate | 43920 Mtexels/sec | 50400 Mtexels/sec |
| Pixel Rate | 29280 Mpixels/sec | 28800 Mpixels/sec |
| Unified Shaders | 480 | 1120 |
| Texture Mapping Units | 60 | 56 |
| Render Output Units | 40 | 32 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 320-bit | 256-bit |
| Fab Process | 40 nm | 40 nm |
| Transistors | 3000 million | 1700 million |
| Bus | PCIe x16 | PCIe x16 |
| DirectX Version | DirectX 11 | DirectX 11 |
| OpenGL Version | OpenGL 4.1 | OpenGL 4.1 |
Memory Bandwidth: Memory bandwidth is the max amount of data (counted in MB per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.
Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.
Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.
GeForce GTX 570Amazon.com
Check prices at:
|
Radeon HD 6870Amazon.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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