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GeForce 9800 GX2 vs Radeon RX 550

Intro

The GeForce 9800 GX2 comes with a core clock frequency of 600 MHz and a GDDR3 memory frequency of 1000 MHz. It also makes use of a 256-bit bus, and makes use of a 65 nm design. It features 128 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

Compare all of that to the Radeon RX 550, which comes with GPU clock speed of 1100 MHz, and 2048 MB of GDDR5 RAM running at 1750 MHz through a 128-bit bus. It also is comprised of 512 Stream Processors, 32 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
GeForce 9800 GX2 197 Watts
Difference: 147 Watts (294%)

Memory Bandwidth

The GeForce 9800 GX2 should in theory be a bit faster than the Radeon RX 550 overall. (explain)

GeForce 9800 GX2 128000 MB/sec
Radeon RX 550 114688 MB/sec
Difference: 13312 (12%)

Texel Rate

The GeForce 9800 GX2 is quite a bit (about 118%) more effective at texture filtering than the Radeon RX 550. (explain)

GeForce 9800 GX2 76800 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 41600 (118%)

Pixel Rate

The GeForce 9800 GX2 should be a bit (approximately 9%) more effective at anti-aliasing than the Radeon RX 550, and also will be able to handle higher resolutions without losing too much performance. (explain)

GeForce 9800 GX2 19200 Mpixels/sec
Radeon RX 550 17600 Mpixels/sec
Difference: 1600 (9%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce 9800 GX2

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 9800 GX2 Radeon RX 550
Manufacturer nVidia AMD
Year Mar 2008 April 2017
Code Name G92 Polaris 12
Memory 512 MB (x2) 2048 MB
Core Speed 600 MHz (x2) 1100 MHz
Memory Speed 2000 MHz (x2) 7000 MHz
Power (Max TDP) 197 watts 50 watts
Bandwidth 128000 MB/sec 114688 MB/sec
Texel Rate 76800 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 19200 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 128 (x2) 512
Texture Mapping Units 64 (x2) 32
Render Output Units 16 (x2) 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit (x2) 128-bit
Fab Process 65 nm 14 nm
Transistors 754 million 2200 million
Bus PCIe x16 2.0 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 (counted in MB per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 applied in one second. This figure is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount 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 calculated by multiplying the amount of ROPs by the clock speed of the card. 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 is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GX2

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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