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GeForce 8800 Ultra vs Radeon RX 550

Intro

The GeForce 8800 Ultra has clock speeds of 612 MHz on the GPU, and 1080 MHz on the 768 MB of GDDR3 memory. It features 128 SPUs as well as 64 Texture Address Units and 24 ROPs.

Compare all that to the Radeon RX 550, which makes use of a 14 nm design. AMD has clocked the core frequency at 1100 MHz. The GDDR5 RAM runs at a speed of 1750 MHz on this particular model. It features 512 SPUs as well as 32 Texture Address Units 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 speaking, the Radeon RX 550 is 11% faster than the GeForce 8800 Ultra in general, due to its higher bandwidth. (explain)

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

Texel Rate

The GeForce 8800 Ultra will be a small bit (approximately 11%) better at texture filtering than the Radeon RX 550. (explain)

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

Pixel Rate

The Radeon RX 550 should be a little bit (approximately 20%) more effective at full screen anti-aliasing than the GeForce 8800 Ultra, and will be capable of handling higher screen resolutions while still performing well. (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: Bandwidth is the max amount of data (in units of megabytes per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total number of 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 in one 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 number is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

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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