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Radeon HD 6850 vs Radeon HD 7750
Intro
The Radeon HD 6850 has core clock speeds of 775 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 960 SPUs along with 48 TAUs and 32 Rasterization Operator Units.Compare those specifications to the Radeon HD 7750, which uses a 28 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 RAM runs at a frequency of 1125 MHz on this card. It features 512 SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.
Benchmarks
These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.
3DMark Fire Strike Graphics Score
| Radeon HD 6850 |
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2395 points |
| Radeon HD 7750 |
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2240 points |
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Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 7750 |
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55 Watts |
| Radeon HD 6850 |
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127 Watts |
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Memory Bandwidth
Performance-wise, the Radeon HD 6850 should theoretically be quite a bit better than the Radeon HD 7750 overall. (explain)
| Radeon HD 6850 |
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128000 MB/sec |
| Radeon HD 7750 |
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72000 MB/sec |
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Texel Rate
The Radeon HD 6850 should be much (about 45%) better at AF than the Radeon HD 7750. (explain)| Radeon HD 6850 |
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37200 Mtexels/sec |
| Radeon HD 7750 |
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25600 Mtexels/sec |
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Pixel Rate
The Radeon HD 6850 is quite a bit (approximately 94%) faster with regards to AA than the Radeon HD 7750, and should be capable of handling higher resolutions more effectively. (explain)| Radeon HD 6850 |
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24800 Mpixels/sec |
| Radeon HD 7750 |
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12800 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 6850Amazon.com
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Radeon HD 7750Amazon.com
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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 6850 | Radeon HD 7750 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Year | October 2010 | February 2012 |
| Code Name | Barts Pro | Cape Verde Pro |
| Memory | 1024 MB | 1024 MB |
| Core Speed | 775 MHz | 800 MHz |
| Memory Speed | 4000 MHz | 4500 MHz |
| Power (Max TDP) | 127 watts | 55 watts |
| Bandwidth | 128000 MB/sec | 72000 MB/sec |
| Texel Rate | 37200 Mtexels/sec | 25600 Mtexels/sec |
| Pixel Rate | 24800 Mpixels/sec | 12800 Mpixels/sec |
| Unified Shaders | 960 | 512 |
| Texture Mapping Units | 48 | 32 |
| Render Output Units | 32 | 16 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit | 128-bit |
| Fab Process | 40 nm | 28 nm |
| Transistors | 1700 million | 1500 million |
| Bus | PCIe x16 | PCIe 3.0 x16 |
| DirectX Version | DirectX 11 | DirectX 11.1 |
| OpenGL Version | OpenGL 4.1 | OpenGL 4.2 |
Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be transported over the external memory interface within a second. The number is worked out by multiplying the bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.
Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher 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 maximum amount of pixels the video card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the core 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, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.
Radeon HD 6850Amazon.com
Check prices at:
|
Radeon HD 7750Amazon.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.
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Comments
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