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Radeon HD 5570 vs Radeon HD 5770
Intro
The Radeon HD 5570 makes use of a 40 nm design. AMD has clocked the core frequency at 650 MHz. The DDR3 memory works at a frequency of 900 MHz on this specific card. It features 400(80x5) SPUs along with 20 Texture Address Units and 8 Rasterization Operator Units.Compare that to the Radeon HD 5770, which features a clock speed of 850 MHz and a GDDR5 memory speed of 1200 MHz. It also features a 128-bit memory bus, and uses a 40 nm design. It is comprised of 800(160x5) SPUs, 40 TAUs, and 16 Raster Operation Units.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 5570 |
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43 Watts |
| Radeon HD 5770 |
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108 Watts |
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Memory Bandwidth
Theoretically speaking, the Radeon HD 5770 should perform a lot faster than the Radeon HD 5570 overall. (explain)
| Radeon HD 5770 |
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76800 MB/sec |
| Radeon HD 5570 |
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28800 MB/sec |
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Texel Rate
The Radeon HD 5770 should be quite a bit (more or less 162%) more effective at anisotropic filtering than the Radeon HD 5570. (explain)| Radeon HD 5770 |
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34000 Mtexels/sec |
| Radeon HD 5570 |
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13000 Mtexels/sec |
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Pixel Rate
If running with a high screen resolution is important to you, then the Radeon HD 5770 is a better choice, by a large margin. (explain)| Radeon HD 5770 |
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13600 Mpixels/sec |
| Radeon HD 5570 |
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5200 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
Radeon HD 5570Amazon.com
Check prices at:
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Radeon HD 5770Amazon.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 | Radeon HD 5570 | Radeon HD 5770 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Year | February 9, 2010 | October 13, 2009 |
| Code Name | Redwood PRO | Juniper XT |
| Memory | 512 MB | 1024 MB |
| Core Speed | 650 MHz | 850 MHz |
| Memory Speed | 1800 MHz | 4800 MHz |
| Power (Max TDP) | 43 watts | 108 watts |
| Bandwidth | 28800 MB/sec | 76800 MB/sec |
| Texel Rate | 13000 Mtexels/sec | 34000 Mtexels/sec |
| Pixel Rate | 5200 Mpixels/sec | 13600 Mpixels/sec |
| Unified Shaders | 400(80x5) | 800(160x5) |
| Texture Mapping Units | 20 | 40 |
| Render Output Units | 8 | 16 |
| Bus Type | DDR3 | GDDR5 |
| Bus Width | 128-bit | 128-bit |
| Fab Process | 40 nm | 40 nm |
| Transistors | 627 million | 1040 million |
| Bus | PCIe 2.1 x16 | PCIe 2.1 x16 |
| DirectX Version | DirectX 11 | DirectX 11 |
| OpenGL Version | OpenGL 3.2 | OpenGL 3.2 |
Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the video 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 amount of pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.
Radeon HD 5570Amazon.com
Check prices at:
|
Radeon HD 5770Amazon.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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