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GeForce 9800 GTX+ vs Radeon HD 4730

Intro

The GeForce 9800 GTX+ uses a 55 nm design. nVidia has set the core speed at 738 MHz. The GDDR3 RAM is set to run at a frequency of 1100 MHz on this specific model. It features 128 SPUs as well as 64 TAUs and 16 Rasterization Operator Units.

Compare those specs to the Radeon HD 4730, which features a core clock speed of 700 MHz and a GDDR5 memory speed of 900 MHz. It also makes use of a 128-bit memory bus, and makes use of a 55 nm design. It is made up of 640(128x5) SPUs, 32 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4730 140 Watts
GeForce 9800 GTX+ 145 Watts
Difference: 5 Watts (4%)

Memory Bandwidth

As far as performance goes, the GeForce 9800 GTX+ should theoretically be much superior to the Radeon HD 4730 overall. (explain)

GeForce 9800 GTX+ 70400 MB/sec
Radeon HD 4730 57600 MB/sec
Difference: 12800 (22%)

Texel Rate

The GeForce 9800 GTX+ is much (more or less 111%) faster with regards to anisotropic filtering than the Radeon HD 4730. (explain)

GeForce 9800 GTX+ 47232 Mtexels/sec
Radeon HD 4730 22400 Mtexels/sec
Difference: 24832 (111%)

Pixel Rate

The GeForce 9800 GTX+ is quite a bit (about 111%) better at anti-aliasing than the Radeon HD 4730, and also able to handle higher screen resolutions more effectively. (explain)

GeForce 9800 GTX+ 11808 Mpixels/sec
Radeon HD 4730 5600 Mpixels/sec
Difference: 6208 (111%)

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 9800 GTX+

Amazon.com

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Radeon HD 4730

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 GTX+ Radeon HD 4730
Manufacturer nVidia AMD
Year July 2008 Jun 8, 2009
Code Name G92b RV770/CE
Memory 512 MB 512 MB
Core Speed 738 MHz 700 MHz
Memory Speed 2200 MHz 3600 MHz
Power (Max TDP) 145 watts 140 watts
Bandwidth 70400 MB/sec 57600 MB/sec
Texel Rate 47232 Mtexels/sec 22400 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 5600 Mpixels/sec
Unified Shaders 128 640(128x5)
Texture Mapping Units 64 32
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 55 nm 55 nm
Transistors 754 million 956 million
Bus PCIe x16 2.0 PCIe 2.0 x16
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 texture map elements (texels) that are processed per second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units 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 fill rate also depends on quite a few 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

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GeForce 9800 GTX+

Amazon.com

Check prices at:

Radeon HD 4730

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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