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GeForce 9800 GX2 vs Radeon R9 M290X

Intro

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

Compare those specs to the Radeon R9 M290X, which uses a 28 nm design. AMD has clocked the core frequency at 850 MHz. The GDDR5 RAM is set to run at a speed of 1200 MHz on this specific model. It features 1280 SPUs as well as 80 TAUs and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M290X 100 Watts
GeForce 9800 GX2 197 Watts
Difference: 97 Watts (97%)

Memory Bandwidth

The Radeon R9 M290X, in theory, should perform just a bit faster than the GeForce 9800 GX2 overall. (explain)

Radeon R9 M290X 153600 MB/sec
GeForce 9800 GX2 128000 MB/sec
Difference: 25600 (20%)

Texel Rate

The GeForce 9800 GX2 will be a little bit (about 13%) more effective at AF than the Radeon R9 M290X. (explain)

GeForce 9800 GX2 76800 Mtexels/sec
Radeon R9 M290X 68000 Mtexels/sec
Difference: 8800 (13%)

Pixel Rate

The Radeon R9 M290X is much (approximately 42%) faster with regards to anti-aliasing than the GeForce 9800 GX2, and also should be capable of handling higher screen resolutions while still performing well. (explain)

Radeon R9 M290X 27200 Mpixels/sec
GeForce 9800 GX2 19200 Mpixels/sec
Difference: 8000 (42%)

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 R9 M290X

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 R9 M290X
Manufacturer nVidia AMD
Year Mar 2008 May 1 2014
Code Name G92 Neptune XT
Memory 512 MB (x2) 4096 MB
Core Speed 600 MHz (x2) 850 MHz
Memory Speed 2000 MHz (x2) 4800 MHz
Power (Max TDP) 197 watts 100 watts
Bandwidth 128000 MB/sec 153600 MB/sec
Texel Rate 76800 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 19200 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 128 (x2) 1280
Texture Mapping Units 64 (x2) 80
Render Output Units 16 (x2) 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit (x2) 256-bit
Fab Process 65 nm 28 nm
Transistors 754 million (Unknown) million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total texture units by the core clock 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called 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 max fill rate.

Display Prices

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GeForce 9800 GX2

Amazon.com

Check prices at:

Radeon R9 M290X

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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