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Compare any two graphics cards:
GeForce RTX 2070 vs Radeon RX 5700
IntroThe GeForce RTX 2070 features a GPU clock speed of 1410 MHz, and the 8192 MB of GDDR6 RAM is set to run at 1750 MHz through a 256-bit bus. It also features 2304 Stream Processors, 144 Texture Address Units, and 64 ROPs.
Compare all of that to the Radeon RX 5700, which makes use of a 7 nm design. AMD has set the core frequency at 1465 MHz. The GDDR6 RAM runs at a frequency of 1750 MHz on this particular model. It features 2304 SPUs along with 144 Texture Address Units and 64 ROPs.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
Both cards have exactly the same bandwidth, so theoretically they should perform exactly the same. (explain)
Texel RateThe Radeon RX 5700 will be a bit (about 4%) better at AF than the GeForce RTX 2070. (explain)
Pixel RateIf running with a high resolution is important to you, then the Radeon RX 5700 is a better choice, though not by far. (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.
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.
Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be transferred past the external memory interface within a second. It is worked out by multiplying the interface width by its memory speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.
Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.
Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory in one 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 - aka 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 of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.