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GeForce 9600 GT 1GB vs Radeon HD 4830 1GB

Intro

The GeForce 9600 GT 1GB has a GPU core speed of 650 MHz, and the 1024 MB of GDDR3 RAM runs at 900 MHz through a 256-bit bus. It also is comprised of 64 Stream Processors, 32 TAUs, and 16 Raster Operation Units.

Compare that to the Radeon HD 4830 1GB, which uses a 55 nm design. AMD has clocked the core speed at 575 MHz. The GDDR4 RAM is set to run at a speed of 900 MHz on this particular model. It features 640(128x5) SPUs as well as 32 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Both cards have exactly the same bandwidth, so in theory they should perform the same. (explain)

Texel Rate

The GeForce 9600 GT 1GB should be a bit (approximately 13%) faster with regards to anisotropic 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

The GeForce 9600 GT 1GB is just a bit (more or less 13%) more effective at anti-aliasing than the Radeon HD 4830 1GB, and will be able to handle higher resolutions more effectively. (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

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.

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 largest amount of information (measured in MB per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill 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 get to 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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