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GeForce 9800 GX2 vs Radeon HD 4350

Intro

The GeForce 9800 GX2 comes with core clock speeds of 600 MHz on the GPU, and 1000 MHz on the 512 MB of GDDR3 RAM. It features 128 SPUs as well as 64 TAUs and 16 ROPs.

Compare all of that to the Radeon HD 4350, which features a core clock speed of 575 MHz and a DDR2 memory frequency of 500 MHz. It also makes use of a 64-bit bus, and uses a 55 nm design. It is made up of 80(16x5) SPUs, 8 Texture Address Units, and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4350 22 Watts
GeForce 9800 GX2 197 Watts
Difference: 175 Watts (795%)

Memory Bandwidth

Theoretically speaking, the GeForce 9800 GX2 should be 1500% faster than the Radeon HD 4350 overall, due to its higher data rate. (explain)

GeForce 9800 GX2 128000 MB/sec
Radeon HD 4350 8000 MB/sec
Difference: 120000 (1500%)

Texel Rate

The GeForce 9800 GX2 is much (more or less 1570%) better at AF than the Radeon HD 4350. (explain)

GeForce 9800 GX2 76800 Mtexels/sec
Radeon HD 4350 4600 Mtexels/sec
Difference: 72200 (1570%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce 9800 GX2 is the winner, by a large margin. (explain)

GeForce 9800 GX2 19200 Mpixels/sec
Radeon HD 4350 2300 Mpixels/sec
Difference: 16900 (735%)

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 HD 4350

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 HD 4350
Manufacturer nVidia AMD
Year Mar 2008 Sep 30, 2008
Code Name G92 RV710
Memory 512 MB (x2) 512 MB
Core Speed 600 MHz (x2) 575 MHz
Memory Speed 2000 MHz (x2) 1000 MHz
Power (Max TDP) 197 watts 22 watts
Bandwidth 128000 MB/sec 8000 MB/sec
Texel Rate 76800 Mtexels/sec 4600 Mtexels/sec
Pixel Rate 19200 Mpixels/sec 2300 Mpixels/sec
Unified Shaders 128 (x2) 80(16x5)
Texture Mapping Units 64 (x2) 8
Render Output Units 16 (x2) 4
Bus Type GDDR3 DDR2
Bus Width 256-bit (x2) 64-bit
Fab Process 65 nm 55 nm
Transistors 754 million 242 million
Bus PCIe x16 2.0 PCIe 2.0 x16, PCI
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of data (in units of MB per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed 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 card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 9800 GX2

Amazon.com

Check prices at:

Radeon HD 4350

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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