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GeForce 9800 GX2 vs GeForce GTX 960

Intro

The GeForce 9800 GX2 makes use of a 65 nm design. nVidia has clocked the core speed at 600 MHz. The GDDR3 memory is set to run at a frequency of 1000 MHz on this specific model. It features 128 SPUs as well as 64 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the GeForce GTX 960, which comes with a core clock frequency of 1127 MHz and a GDDR5 memory frequency of 1750 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It is comprised of 1024 SPUs, 64 TAUs, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960 120 Watts
GeForce 9800 GX2 197 Watts
Difference: 77 Watts (64%)

Memory Bandwidth

In theory, the GeForce 9800 GX2 is 14% quicker than the GeForce GTX 960 overall, because of its higher bandwidth. (explain)

GeForce 9800 GX2 128000 MB/sec
GeForce GTX 960 112000 MB/sec
Difference: 16000 (14%)

Texel Rate

The GeForce 9800 GX2 will be just a bit (about 6%) faster with regards to texture filtering than the GeForce GTX 960. (explain)

GeForce 9800 GX2 76800 Mtexels/sec
GeForce GTX 960 72128 Mtexels/sec
Difference: 4672 (6%)

Pixel Rate

The GeForce GTX 960 is much (approximately 88%) better at AA than the GeForce 9800 GX2, and also should be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 960 36064 Mpixels/sec
GeForce 9800 GX2 19200 Mpixels/sec
Difference: 16864 (88%)

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

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GeForce GTX 960

Amazon.com

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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 GeForce GTX 960
Manufacturer nVidia nVidia
Year Mar 2008 January 2015
Code Name G92 GM206
Memory 512 MB (x2) 2048 MB
Core Speed 600 MHz (x2) 1127 MHz
Memory Speed 2000 MHz (x2) 7000 MHz
Power (Max TDP) 197 watts 120 watts
Bandwidth 128000 MB/sec 112000 MB/sec
Texel Rate 76800 Mtexels/sec 72128 Mtexels/sec
Pixel Rate 19200 Mpixels/sec 36064 Mpixels/sec
Unified Shaders 128 (x2) 1024
Texture Mapping Units 64 (x2) 64
Render Output Units 16 (x2) 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit (x2) 128-bit
Fab Process 65 nm 28 nm
Transistors 754 million 2940 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 maximum amount of data (measured in MB per second) that can be transferred over the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 amount of texture map elements (texels) that can be applied per second. This number 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce 9800 GX2

Amazon.com

Check prices at:

GeForce GTX 960

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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