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GeForce 9600 GT 512MB vs Radeon HD 4850 2GB

Intro

The GeForce 9600 GT 512MB comes with a GPU core speed of 650 MHz, and the 512 MB of GDDR3 RAM runs at 900 MHz through a 256-bit bus. It also is made up of 64 SPUs, 32 Texture Address Units, and 16 ROPs.

Compare those specifications to the Radeon HD 4850 2GB, which features a core clock speed of 625 MHz and a GDDR4 memory frequency of 993 MHz. It also features a 256-bit bus, and uses a 55 nm design. It is comprised of 800(160x5) SPUs, 40 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GT 512MB 95 Watts
Radeon HD 4850 2GB 110 Watts
Difference: 15 Watts (16%)

Memory Bandwidth

Theoretically, the Radeon HD 4850 2GB should be just a bit faster than the GeForce 9600 GT 512MB overall. (explain)

Radeon HD 4850 2GB 63552 MB/sec
GeForce 9600 GT 512MB 57600 MB/sec
Difference: 5952 (10%)

Texel Rate

The Radeon HD 4850 2GB should be just a bit (more or less 20%) better at AF than the GeForce 9600 GT 512MB. (explain)

Radeon HD 4850 2GB 25000 Mtexels/sec
GeForce 9600 GT 512MB 20800 Mtexels/sec
Difference: 4200 (20%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 9600 GT 512MB is the winner, but only just. (explain)

GeForce 9600 GT 512MB 10400 Mpixels/sec
Radeon HD 4850 2GB 10000 Mpixels/sec
Difference: 400 (4%)

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 4850 2GB

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 4850 2GB
Manufacturer nVidia AMD
Year Feb 2008 Jun 25, 2008
Code Name G94a/b RV770 PRO
Memory 512 MB 2048 MB
Core Speed 650 MHz 625 MHz
Memory Speed 1800 MHz 1986 MHz
Power (Max TDP) 95 watts 110 watts
Bandwidth 57600 MB/sec 63552 MB/sec
Texel Rate 20800 Mtexels/sec 25000 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 10000 Mpixels/sec
Unified Shaders 64 800(160x5)
Texture Mapping Units 32 40
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 max amount of information (in units of MB per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the interface width by the speed of its memory. If it uses DDR memory, it must 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 AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce 9600 GT 512MB

Amazon.com

Check prices at:

Radeon HD 4850 2GB

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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