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GeForce 9600 GT 512MB vs Radeon HD 4830 1GB

Intro

The GeForce 9600 GT 512MB comes with clock speeds of 650 MHz on the GPU, and 900 MHz on the 512 MB of GDDR3 RAM. It features 64 SPUs as well as 32 Texture Address Units and 16 ROPs.

Compare all of that to the Radeon HD 4830 1GB, which makes use of a 55 nm design. AMD has set the core speed at 575 MHz. The GDDR4 RAM runs at a speed of 900 MHz on this specific card. 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 memory bandwidth, so in theory they should have identical performance. (explain)

Texel Rate

The GeForce 9600 GT 512MB is a bit (approximately 13%) more effective at texture filtering than the Radeon HD 4830 1GB. (explain)

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

Pixel Rate

The GeForce 9600 GT 512MB is a small bit (about 13%) better at AA than the Radeon HD 4830 1GB, and also will be able to handle higher resolutions more effectively. (explain)

GeForce 9600 GT 512MB 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 512MB

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 512MB Radeon HD 4830 1GB
Manufacturer nVidia AMD
Year Feb 2008 Oct 21, 2008
Code Name G94a/b RV770 LE
Memory 512 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: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed 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 video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the clock 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 output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 9600 GT 512MB

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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