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GeForce GTX 560 Ti vs Radeon HD 4890 1GB
Intro
The GeForce GTX 560 Ti comes with a core clock speed of 822 MHz and a GDDR5 memory frequency of 1002 MHz. It also features a 256-bit memory bus, and uses a 40 nm design. It is comprised of 384 SPUs, 64 TAUs, and 32 Raster Operation Units.Compare those specs to the Radeon HD 4890 1GB, which features a clock frequency of 1000 MHz and a GDDR5 memory frequency of 975 MHz. It also features a 256-bit memory bus, and uses a 55 nm design. It features 800(160x5) SPUs, 40 Texture Address Units, and 16 ROPs.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| GeForce GTX 560 Ti |
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170 Watts |
| Radeon HD 4890 1GB |
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190 Watts |
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Memory Bandwidth
Performance-wise, the GeForce GTX 560 Ti should in theory be a little bit better than the Radeon HD 4890 1GB in general. (explain)
| GeForce GTX 560 Ti |
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128256 MB/sec |
| Radeon HD 4890 1GB |
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124800 MB/sec |
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Texel Rate
The GeForce GTX 560 Ti should be a lot (more or less 32%) more effective at AF than the Radeon HD 4890 1GB. (explain)| GeForce GTX 560 Ti |
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52608 Mtexels/sec |
| Radeon HD 4890 1GB |
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40000 Mtexels/sec |
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Pixel Rate
If running with lots of anti-aliasing is important to you, then the GeForce GTX 560 Ti is the winner, and very much so. (explain)| GeForce GTX 560 Ti |
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26304 Mpixels/sec |
| Radeon HD 4890 1GB |
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16000 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 560 TiAmazon.com
Check prices at:
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Radeon HD 4890 1GBAmazon.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 560 Ti | Radeon HD 4890 1GB |
|---|---|---|
| Manufacturer | nVidia | AMD |
| Year | January 2011 | Apr 2, 2009 |
| Code Name | GF114 | RV790 XT |
| Memory | 1024 MB | 1024 MB |
| Core Speed | 822 MHz | 1000 MHz |
| Memory Speed | 4008 MHz | 3900 MHz |
| Power (Max TDP) | 170 watts | 190 watts |
| Bandwidth | 128256 MB/sec | 124800 MB/sec |
| Texel Rate | 52608 Mtexels/sec | 40000 Mtexels/sec |
| Pixel Rate | 26304 Mpixels/sec | 16000 Mpixels/sec |
| Unified Shaders | 384 | 800(160x5) |
| Texture Mapping Units | 64 | 40 |
| Render Output Units | 32 | 16 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit | 256-bit |
| Fab Process | 40 nm | 55 nm |
| Transistors | 1950 million | 959 million |
| Bus | PCIe x16 | PCIe 2.0 x16 |
| DirectX Version | DirectX 11 | DirectX 10.1 |
| OpenGL Version | OpenGL 4.1 | OpenGL 3.0 |
Memory Bandwidth: Memory bandwidth is the max amount of data (measured in megabytes per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.
Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total amount of 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.
Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.
GeForce GTX 560 TiAmazon.com
Check prices at:
|
Radeon HD 4890 1GBAmazon.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
One Response to “GeForce GTX 560 Ti vs Radeon HD 4890 1GB”So would you say that 2 XFX HD 4890's in Crossfire would out preform a GTX 560 ti?