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GeForce 9600 GT 1GB vs Radeon HD 4830 512MB

Intro

The GeForce 9600 GT 1GB uses a 65/55 nm design. nVidia has clocked the core frequency at 650 MHz. The GDDR3 RAM is set to run at a speed of 900 MHz on this particular model. It features 64 SPUs along with 32 TAUs and 16 Rasterization Operator Units.

Compare that to the Radeon HD 4830 512MB, which has a GPU core clock speed of 575 MHz, and 512 MB of GDDR3 memory running at 900 MHz through a 256-bit bus. It also is comprised of 640(128x5) SPUs, 32 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

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

Texel Rate

The GeForce 9600 GT 1GB is a bit (about 13%) better at anisotropic filtering than the Radeon HD 4830 512MB. (explain)

GeForce 9600 GT 1GB 20800 Mtexels/sec
Radeon HD 4830 512MB 18400 Mtexels/sec
Difference: 2400 (13%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 9600 GT 1GB is superior to the Radeon HD 4830 512MB, but only just. (explain)

GeForce 9600 GT 1GB 10400 Mpixels/sec
Radeon HD 4830 512MB 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

Check prices at:

Radeon HD 4830 512MB

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 512MB
Manufacturer nVidia AMD
Year Feb 2008 Oct 21, 2008
Code Name G94a/b RV770 LE
Memory 1024 MB 512 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 GDDR3
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 max amount of information (measured in MB per second) that can be transported across 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 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 anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better 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 the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce 9600 GT 1GB

Amazon.com

Check prices at:

Radeon HD 4830 512MB

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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