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GeForce GTS 250 512MB vs Radeon HD 6670 (OEM)
Intro
The GeForce GTS 250 512MB features a core clock speed of 738 MHz and a GDDR3 memory frequency of 1100 MHz. It also features a 256-bit memory bus, and makes use of a 65/55 nm design. It is made up of 128 SPUs, 64 TAUs, and 16 Raster Operation Units.Compare those specifications to the Radeon HD 6670 (OEM), which has core speeds of 800 MHz on the GPU, and 1000 MHz on the 512 MB of GDDR5 RAM. It features 480 SPUs along with 24 TAUs and 8 Rasterization Operator Units.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 6670 (OEM) |
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63 Watts |
| GeForce GTS 250 512MB |
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145 Watts |
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Memory Bandwidth
Theoretically speaking, the GeForce GTS 250 512MB will be 10% faster than the Radeon HD 6670 (OEM) in general, due to its higher data rate. (explain)
| GeForce GTS 250 512MB |
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70400 MB/sec |
| Radeon HD 6670 (OEM) |
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64000 MB/sec |
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Texel Rate
The GeForce GTS 250 512MB will be much (about 146%) better at AF than the Radeon HD 6670 (OEM). (explain)| GeForce GTS 250 512MB |
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47232 Mtexels/sec |
| Radeon HD 6670 (OEM) |
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19200 Mtexels/sec |
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Pixel Rate
If running with lots of anti-aliasing is important to you, then the GeForce GTS 250 512MB is the winner, by far. (explain)| GeForce GTS 250 512MB |
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11808 Mpixels/sec |
| Radeon HD 6670 (OEM) |
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6400 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 GTS 250 512MBAmazon.com
Check prices at:
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Radeon HD 6670 (OEM)Amazon.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.
Specifications
| Model | GeForce GTS 250 512MB | Radeon HD 6670 (OEM) |
|---|---|---|
| Manufacturer | nVidia | AMD |
| Year | March 3, 2009 | February 2011 |
| Code Name | G92a/b | Turks |
| Memory | 512 MB | 512 MB |
| Core Speed | 738 MHz | 800 MHz |
| Memory Speed | 2200 MHz | 4000 MHz |
| Power (Max TDP) | 145 watts | 63 watts |
| Bandwidth | 70400 MB/sec | 64000 MB/sec |
| Texel Rate | 47232 Mtexels/sec | 19200 Mtexels/sec |
| Pixel Rate | 11808 Mpixels/sec | 6400 Mpixels/sec |
| Unified Shaders | 128 | 480 |
| Texture Mapping Units | 64 | 24 |
| Render Output Units | 16 | 8 |
| Bus Type | GDDR3 | GDDR5 |
| Bus Width | 256-bit | 128-bit |
| Fab Process | 65/55 nm | 40 nm |
| Transistors | 754 million | 715 million |
| Bus | PCIe x16 2.0 | PCIe 2.1 x16 |
| DirectX Version | DirectX 10 | DirectX 11 |
| OpenGL Version | OpenGL 3.1 | OpenGL 4.1 |
Memory Bandwidth: Memory bandwidth is the max amount of data (measured in MB per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.
Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total number 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.
Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.
GeForce GTS 250 512MBAmazon.com
Check prices at:
|
Radeon HD 6670 (OEM)Amazon.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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