Compare any two graphics cards:
GeForce GTX 285 1GB vs Radeon HD 6770 1GB
IntroThe GeForce GTX 285 1GB uses a 55 nm design. nVidia has clocked the core frequency at 648 MHz. The GDDR3 memory runs at a speed of 1242 MHz on this particular card. It features 240 SPUs along with 80 Texture Address Units and 32 Rasterization Operator Units.Compare all that to the Radeon HD 6770 1GB, which makes use of a 40 nm design. AMD has clocked the core speed at 900 MHz. The GDDR5 memory runs at a frequency of 1050 MHz on this specific card. It features 800 SPUs as well as 40 Texture Address Units and 16 ROPs.
Display Graphs
Power Usage and Theoretical BenchmarksPower Consumption (Max TDP)
Memory BandwidthTheoretically, the GeForce GTX 285 1GB should be a lot faster than the Radeon HD 6770 1GB overall. (explain)
Texel RateThe GeForce GTX 285 1GB is a lot (about 44%) better at anisotropic filtering than the Radeon HD 6770 1GB. (explain)
Pixel RateThe GeForce GTX 285 1GB will be much (approximately 44%) faster with regards to full screen anti-aliasing than the Radeon HD 6770 1GB, and should be able to handle higher resolutions better. (explain)
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
Display Prices
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
Display Specifications
Memory Bandwidth: Bandwidth is the max amount of data (in units of MB per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 are applied per second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, 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 maximum amount of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out 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 outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.
Display Prices
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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