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GeForce 8800 Ultra vs Radeon RX 550

Intro

The GeForce 8800 Ultra makes use of a 90 nm design. nVidia has clocked the core speed at 612 MHz. The GDDR3 RAM works at a frequency of 1080 MHz on this particular card. It features 128 SPUs as well as 64 Texture Address Units and 24 Rasterization Operator Units.

Compare those specifications to the Radeon RX 550, which makes use of a 14 nm design. AMD has set the core speed at 1100 MHz. The GDDR5 memory is set to run at a frequency of 1750 MHz on this particular card. It features 512 SPUs as well as 32 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
GeForce 8800 Ultra 171 Watts
Difference: 121 Watts (242%)

Memory Bandwidth

Theoretically, the Radeon RX 550 should be a little bit faster than the GeForce 8800 Ultra overall. (explain)

Radeon RX 550 114688 MB/sec
GeForce 8800 Ultra 103680 MB/sec
Difference: 11008 (11%)

Texel Rate

The GeForce 8800 Ultra should be a bit (about 11%) more effective at AF than the Radeon RX 550. (explain)

GeForce 8800 Ultra 39168 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 3968 (11%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon RX 550 is superior to the GeForce 8800 Ultra, though only just barely. (explain)

Radeon RX 550 17600 Mpixels/sec
GeForce 8800 Ultra 14688 Mpixels/sec
Difference: 2912 (20%)

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

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GeForce 8800 Ultra

Amazon.com

Check prices at:

Radeon RX 550

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

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Model GeForce 8800 Ultra Radeon RX 550
Manufacturer nVidia AMD
Year May 2007 April 2017
Code Name G80 Polaris 12
Memory 768 MB 2048 MB
Core Speed 612 MHz 1100 MHz
Memory Speed 2160 MHz 7000 MHz
Power (Max TDP) 171 watts 50 watts
Bandwidth 103680 MB/sec 114688 MB/sec
Texel Rate 39168 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 14688 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 128 512
Texture Mapping Units 64 32
Render Output Units 24 16
Bus Type GDDR3 GDDR5
Bus Width 384-bit 128-bit
Fab Process 90 nm 14 nm
Transistors 681 million 2200 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be transferred over the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the video 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 number of pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce 8800 Ultra

Amazon.com

Check prices at:

Radeon RX 550

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.

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