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Radeon HD 5670 vs Radeon HD 5770
Intro
The Radeon HD 5670 has a GPU core clock speed of 775 MHz, and the 1024 MB of GDDR5 RAM is set to run at 1000 MHz through a 128-bit bus. It also is made up of 400(80x5) Stream Processors, 20 Texture Address Units, and 8 ROPs.Compare those specifications to the Radeon HD 5770, which features a clock frequency of 850 MHz and a GDDR5 memory speed of 1200 MHz. It also features a 128-bit memory bus, and makes use of a 40 nm design. It is comprised of 800(160x5) SPUs, 40 Texture Address Units, and 16 ROPs.
Avatar
| Settings: | Ultra High Quality |
| AA: | 8x |
| AF: | none |
| Resolution: | 1920x1200 |
| Test Machine: | Tom's Hardware Test Machine (Source) |
| Radeon HD 5770 |
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37 FPS |
| Radeon HD 5670 |
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25 FPS |
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Battlefield Bad Company 2
| Settings: | High Quality |
| AA: | 4x |
| AF: | 8x |
| Resolution: | 1920x1200 |
| Test Machine: | Tom's Hardware Test Machine (Source) |
| Radeon HD 5770 |
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30 FPS |
| Radeon HD 5670 |
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19 FPS |
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Left4Dead 2
| Settings: | Very High |
| AA: | 8x |
| AF: | 16x |
| Resolution: | 1920x1200 |
| Test Machine: | Tom's Hardware Test Machine (Source) |
| Radeon HD 5770 |
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70 FPS |
| Radeon HD 5670 |
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49 FPS |
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Mass Effect 2
| Settings: | Maximum Quality |
| AA: | none |
| AF: | 8x |
| Resolution: | 1920x1200 |
| Test Machine: | Tom's Hardware Test Machine (Source) |
| Radeon HD 5770 |
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87 FPS |
| Radeon HD 5670 |
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57 FPS |
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Supreme Commander 2
| Settings: | High |
| AA: | 8x |
| AF: | 16x |
| Resolution: | 1920x1200 |
| Test Machine: | Tom's Hardware Test Machine (Source) |
| Radeon HD 5770 |
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62 FPS |
| Radeon HD 5670 |
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37 FPS |
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Radeon HD 5770 wins
(Based entirely on the benchmarks listed above)
When combining all game benchmark scores on this page together, the Radeon HD 5770 wins overall, by 99 FPS. Please note that we do not have the results of every benchmark ever done for these cards, so the results may differ wildly in different games.
| Radeon HD 5770 |
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286 FPS |
| Radeon HD 5670 |
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187 FPS |
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Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 5670 |
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61 Watts |
| Radeon HD 5770 |
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108 Watts |
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Memory Bandwidth
In theory, the Radeon HD 5770 should perform just a bit faster than the Radeon HD 5670 overall. (explain)
| Radeon HD 5770 |
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76800 MB/sec |
| Radeon HD 5670 |
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64000 MB/sec |
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Texel Rate
The Radeon HD 5770 is quite a bit (more or less 119%) more effective at texture filtering than the Radeon HD 5670. (explain)| Radeon HD 5770 |
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34000 Mtexels/sec |
| Radeon HD 5670 |
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15500 Mtexels/sec |
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Pixel Rate
The Radeon HD 5770 is a lot (more or less 119%) faster with regards to FSAA than the Radeon HD 5670, and should be capable of handling higher screen resolutions more effectively. (explain)| Radeon HD 5770 |
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13600 Mpixels/sec |
| Radeon HD 5670 |
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6200 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
Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.
Radeon HD 5670Amazon.com
Other US-based stores
Amazon.co.uk
Amazon.de
Amazon.fr
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Radeon HD 5770Amazon.com
Other US-based stores
Amazon.co.uk
Amazon.de
Amazon.fr
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Specifications
| Model | Radeon HD 5670 | Radeon HD 5770 |
|---|---|---|
| Manufacturer | ATi | ATi |
| Year | January 14, 2010 | October 13, 2009 |
| Code Name | Redwood XT | Juniper XT |
| Fab Process | 40 nm | 40 nm |
| Bus | PCIe 2.1 x16 | PCIe 2.1 x16 |
| Memory | 1024 MB | 1024 MB |
| Core Speed | 775 MHz | 850 MHz |
| Shader Speed | N/A MHz | (N/A) MHz |
| Memory Speed | 1000 MHz (4000 MHz effective) | 1200 MHz (4800 MHz effective) |
| Unified Shaders | 400(80x5) | 800(160x5) |
| Texture Mapping Units | 20 | 40 |
| Render Output Units | 8 | 16 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit | 128-bit |
| DirectX Version | DirectX 11 | DirectX 11 |
| OpenGL Version | OpenGL 3.2 | OpenGL 3.2 |
| Power (Max TDP) | 61 watts | 108 watts |
| Shader Model | 5.0 | 5.0 |
| Bandwidth | 64000 MB/sec | 76800 MB/sec |
| Texel Rate | 15500 Mtexels/sec | 34000 Mtexels/sec |
| Pixel Rate | 6200 Mpixels/sec | 13600 Mpixels/sec |
Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be moved over the external memory interface in a second. It is worked out by multiplying the bus width by the speed of its memory. In the case of DDR RAM, the result 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 AA, High Dynamic Range and higher screen resolutions.
Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling 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 video card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.
Comments
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