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Radeon HD 6570 (OEM) 2GB vs Radeon R7 250
Intro
The Radeon HD 6570 (OEM) 2GB features a GPU core speed of 650 MHz, and the 1024 MB of GDDR5 memory runs at 1000 MHz through a 128-bit bus. It also is made up of 480 Stream Processors, 24 TAUs, and 8 Raster Operation Units.Compare all that to the Radeon R7 250, which uses a 28 nm design. AMD has clocked the core speed at 1000 MHz. The GDDR5 memory works at a frequency of 1150 MHz on this specific card. It features 384 SPUs as well as 24 TAUs and 8 Rasterization Operator Units.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 6570 (OEM) 2GB |
|
50 Watts |
| Radeon R7 250 |
|
65 Watts |
|
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Memory Bandwidth
In theory, the Radeon R7 250 will be 15% quicker than the Radeon HD 6570 (OEM) 2GB overall, because of its higher bandwidth. (explain)
| Radeon R7 250 |
|
73600 MB/sec |
| Radeon HD 6570 (OEM) 2GB |
|
64000 MB/sec |
|
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Texel Rate
The Radeon R7 250 will be much (approximately 54%) more effective at texture filtering than the Radeon HD 6570 (OEM) 2GB. (explain)| Radeon R7 250 |
|
24000 Mtexels/sec |
| Radeon HD 6570 (OEM) 2GB |
|
15600 Mtexels/sec |
|
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Pixel Rate
The Radeon R7 250 will be much (about 54%) more effective at anti-aliasing than the Radeon HD 6570 (OEM) 2GB, and also will be capable of handling higher screen resolutions without slowing down too much. (explain)| Radeon R7 250 |
|
8000 Mpixels/sec |
| Radeon HD 6570 (OEM) 2GB |
|
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 6570 (OEM) 2GB
Radeon R7 250
Specifications
| Model | Radeon HD 6570 (OEM) 2GB | Radeon R7 250 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Year | February 2011 | October 2013 |
| Code Name | Turks | Oland XT |
| Memory | 1024 MB | 1024 MB |
| Core Speed | 650 MHz | 1000 MHz |
| Memory Speed | 4000 MHz | 4600 MHz |
| Power (Max TDP) | 50 watts | 65 watts |
| Bandwidth | 64000 MB/sec | 73600 MB/sec |
| Texel Rate | 15600 Mtexels/sec | 24000 Mtexels/sec |
| Pixel Rate | 5200 Mpixels/sec | 8000 Mpixels/sec |
| Unified Shaders | 480 | 384 |
| Texture Mapping Units | 24 | 24 |
| Render Output Units | 8 | 8 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit | 128-bit |
| Fab Process | 40 nm | 28 nm |
| Transistors | 715 million | 1040 million |
| Bus | PCIe 2.1 x16 | PCIe 3.0 x16 |
| DirectX Version | DirectX 11 | DirectX 11.2 |
| OpenGL Version | OpenGL 4.1 | OpenGL 4.3 |
Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be transported across the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.
Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.
Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can 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 Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.
Radeon HD 6570 (OEM) 2GB
Radeon R7 250
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