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GeForce 9600 GT 1GB vs Radeon HD 4830 1GB

Intro

The GeForce 9600 GT 1GB makes use of a 65/55 nm design. nVidia has set the core speed at 650 MHz. The GDDR3 RAM runs at a frequency of 900 MHz on this model. It features 64 SPUs as well as 32 TAUs and 16 Rasterization Operator Units.

Compare those specifications to the Radeon HD 4830 1GB, which comes with clock speeds of 575 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR4 RAM. It features 640(128x5) SPUs as well as 32 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Both cards have the exact same bandwidth, so theoretically they should have the same performance. (explain)

Texel Rate

The GeForce 9600 GT 1GB is a bit (approximately 13%) better at texture filtering than the Radeon HD 4830 1GB. (explain)

GeForce 9600 GT 1GB 20800 Mtexels/sec
Radeon HD 4830 1GB 18400 Mtexels/sec
Difference: 2400 (13%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce 9600 GT 1GB is superior to the Radeon HD 4830 1GB, though only just barely. (explain)

GeForce 9600 GT 1GB 10400 Mpixels/sec
Radeon HD 4830 1GB 9200 Mpixels/sec
Difference: 1200 (13%)

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 9600 GT 1GB

Amazon.com

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Radeon HD 4830 1GB

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 9600 GT 1GB Radeon HD 4830 1GB
Manufacturer nVidia AMD
Year Feb 2008 Oct 21, 2008
Code Name G94a/b RV770 LE
Memory 1024 MB 1024 MB
Core Speed 650 MHz 575 MHz
Memory Speed 1800 MHz 1800 MHz
Power (Max TDP) 95 watts 95 watts
Bandwidth 57600 MB/sec 57600 MB/sec
Texel Rate 20800 Mtexels/sec 18400 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 9200 Mpixels/sec
Unified Shaders 64 640(128x5)
Texture Mapping Units 32 32
Render Output Units 16 16
Bus Type GDDR3 GDDR4
Bus Width 256-bit 256-bit
Fab Process 65/55 nm 55 nm
Transistors 505 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 (measured in megabytes per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total number of texture units 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 one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce 9600 GT 1GB

Amazon.com

Check prices at:

Radeon HD 4830 1GB

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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