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GeForce GTX 550 Ti vs Radeon HD 6870
Intro
The GeForce GTX 550 Ti features core speeds of 900 MHz on the GPU, and 1026 MHz on the 1024 MB of GDDR5 RAM. It features 192 SPUs as well as 32 Texture Address Units and 24 ROPs.Compare those specs 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 specific card. It features 1120 SPUs along with 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
| Radeon HD 6870 |
|
2870 points |
| GeForce GTX 550 Ti |
|
1910 points |
|
|
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| GeForce GTX 550 Ti |
|
116 Watts |
| Radeon HD 6870 |
|
151 Watts |
|
|
Memory Bandwidth
As far as performance goes, the Radeon HD 6870 should in theory be a lot superior to the GeForce GTX 550 Ti in general. (explain)
| Radeon HD 6870 |
|
134400 MB/sec |
| GeForce GTX 550 Ti |
|
98496 MB/sec |
|
|
Texel Rate
The Radeon HD 6870 will be much (approximately 75%) better at anisotropic filtering than the GeForce GTX 550 Ti. (explain)| Radeon HD 6870 |
|
50400 Mtexels/sec |
| GeForce GTX 550 Ti |
|
28800 Mtexels/sec |
|
|
Pixel Rate
The Radeon HD 6870 will be a lot (more or less 33%) better at full screen anti-aliasing than the GeForce GTX 550 Ti, and should be capable of handling higher screen resolutions without slowing down too much. (explain)| Radeon HD 6870 |
|
28800 Mpixels/sec |
| GeForce GTX 550 Ti |
|
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 Ti
Radeon HD 6870
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: Bandwidth is the max amount of information (measured in megabytes per second) that can be transported across the external memory interface in a second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.
Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.
Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.
GeForce GTX 550 Ti
Radeon HD 6870
Comments
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