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GeForce GTX 550 Ti vs Radeon HD 6870
Intro
The GeForce GTX 550 Ti has a clock frequency of 900 MHz and a GDDR5 memory frequency of 1026 MHz. It also makes use of a 192-bit memory bus, and makes use of a 40 nm design. It is comprised of 192 SPUs, 32 TAUs, and 24 ROPs.Compare that to the Radeon HD 6870, which makes use of a 40 nm design. AMD has set the core frequency at 900 MHz. The GDDR5 memory is set to run at a speed of 1050 MHz on this card. It features 1120 SPUs as well as 56 Texture Address Units and 32 Rasterization Operator Units.
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
| Radeon HD 6870 |
|
2870 points |
| GeForce GTX 550 Ti |
|
1897 points |
|
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Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| GeForce GTX 550 Ti |
|
116 Watts |
| Radeon HD 6870 |
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151 Watts |
|
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Memory Bandwidth
Theoretically, the Radeon HD 6870 should perform a lot faster than the GeForce GTX 550 Ti overall. (explain)
| Radeon HD 6870 |
|
134400 MB/sec |
| GeForce GTX 550 Ti |
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98496 MB/sec |
|
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Texel Rate
The Radeon HD 6870 should be a lot (about 75%) faster with regards to anisotropic filtering than the GeForce GTX 550 Ti. (explain)| Radeon HD 6870 |
|
50400 Mtexels/sec |
| GeForce GTX 550 Ti |
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28800 Mtexels/sec |
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Pixel Rate
If running with high levels of AA is important to you, then the Radeon HD 6870 is a better choice, by far. (explain)| Radeon HD 6870 |
|
28800 Mpixels/sec |
| GeForce GTX 550 Ti |
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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 550 TiAmazon.com
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Radeon HD 6870Amazon.com
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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 550 Ti | Radeon HD 6870 |
|---|---|---|
| Manufacturer | nVidia | AMD |
| Year | March 2011 | October 2010 |
| Code Name | GF116 | Barts XT |
| Memory | 1024 MB | 1024 MB |
| Core Speed | 900 MHz | 900 MHz |
| Memory Speed | 4104 MHz | 4200 MHz |
| Power (Max TDP) | 116 watts | 151 watts |
| Bandwidth | 98496 MB/sec | 134400 MB/sec |
| Texel Rate | 28800 Mtexels/sec | 50400 Mtexels/sec |
| Pixel Rate | 21600 Mpixels/sec | 28800 Mpixels/sec |
| Unified Shaders | 192 | 1120 |
| Texture Mapping Units | 32 | 56 |
| Render Output Units | 24 | 32 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 192-bit | 256-bit |
| Fab Process | 40 nm | 40 nm |
| Transistors | 1170 million | 1700 million |
| Bus | PCIe 2.1 x16 | PCIe x16 |
| DirectX Version | DirectX 11 | DirectX 11 |
| OpenGL Version | OpenGL 4.1 | OpenGL 4.1 |
Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.
Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.
Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core clock speed. 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 lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.
GeForce GTX 550 TiAmazon.com
|
Radeon HD 6870Amazon.com
|
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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