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GeForce 8800 GTS (G80) 320MB vs Radeon HD 4730

Intro

The GeForce 8800 GTS (G80) 320MB features core speeds of 513 MHz on the GPU, and 792 MHz on the 320 MB of GDDR3 RAM. It features 96 SPUs as well as 48 TAUs and 20 Rasterization Operator Units.

Compare all of that to the Radeon HD 4730, which uses a 55 nm design. AMD has clocked the core frequency at 700 MHz. The GDDR5 RAM runs at a speed of 900 MHz on this specific model. It features 640(128x5) SPUs as well as 32 TAUs and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4730 140 Watts
GeForce 8800 GTS (G80) 320MB 143 Watts
Difference: 3 Watts (2%)

Memory Bandwidth

Performance-wise, the GeForce 8800 GTS (G80) 320MB should theoretically be a bit better than the Radeon HD 4730 in general. (explain)

GeForce 8800 GTS (G80) 320MB 63360 MB/sec
Radeon HD 4730 57600 MB/sec
Difference: 5760 (10%)

Texel Rate

The GeForce 8800 GTS (G80) 320MB is just a bit (more or less 10%) faster with regards to texture filtering than the Radeon HD 4730. (explain)

GeForce 8800 GTS (G80) 320MB 24624 Mtexels/sec
Radeon HD 4730 22400 Mtexels/sec
Difference: 2224 (10%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 8800 GTS (G80) 320MB is superior to the Radeon HD 4730, by far. (explain)

GeForce 8800 GTS (G80) 320MB 10260 Mpixels/sec
Radeon HD 4730 5600 Mpixels/sec
Difference: 4660 (83%)

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 8800 GTS (G80) 320MB

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 8800 GTS (G80) 320MB Radeon HD 4730
Manufacturer nVidia AMD
Year Feb 2007 Jun 8, 2009
Code Name G80 RV770/CE
Memory 320 MB 512 MB
Core Speed 513 MHz 700 MHz
Memory Speed 1584 MHz 3600 MHz
Power (Max TDP) 143 watts 140 watts
Bandwidth 63360 MB/sec 57600 MB/sec
Texel Rate 24624 Mtexels/sec 22400 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 5600 Mpixels/sec
Unified Shaders 96 640(128x5)
Texture Mapping Units 48 32
Render Output Units 20 8
Bus Type GDDR3 GDDR5
Bus Width 320-bit 128-bit
Fab Process 90 nm 55 nm
Transistors 681 million 956 million
Bus PCIe x16 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 (counted in megabytes per second) that can be transferred across the external memory interface in a second. It is calculated by multiplying the interface width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

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

Display Prices

Hide Prices

GeForce 8800 GTS (G80) 320MB

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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