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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 runs at a speed of 1100 MHz on this particular model. It features 128 SPUs along with 64 Texture Address Units and 16 Rasterization Operator Units.

Compare that to the Radeon HD 4730, which makes use of a 55 nm design. AMD has clocked the core frequency at 700 MHz. The GDDR5 RAM works at a speed of 900 MHz on this specific model. It features 640(128x5) SPUs as well as 32 Texture Address Units and 8 ROPs.

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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

The GeForce 9800 GTX+ should in theory perform a lot faster than the Radeon HD 4730 in general. (explain)

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

Texel Rate

The GeForce 9800 GTX+ will be much (about 111%) more effective at texture filtering than the Radeon HD 4730. (explain)

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

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 9800 GTX+ is a better choice, by far. (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

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.

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: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the interface width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the video 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 that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

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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