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GeForce 9600 GT 512MB vs Radeon HD 6870

Intro

The GeForce 9600 GT 512MB features a core clock speed of 650 MHz and a GDDR3 memory speed of 900 MHz. It also makes use of a 256-bit memory bus, and makes use of a 65/55 nm design. It is comprised of 64 SPUs, 32 TAUs, and 16 Raster Operation Units.

Compare all that to the Radeon HD 6870, which has a core clock frequency of 900 MHz and a GDDR5 memory speed of 1050 MHz. It also uses a 256-bit memory bus, and uses a 40 nm design. It features 1120 SPUs, 56 Texture Address Units, and 32 ROPs.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GT 512MB 95 Watts
Radeon HD 6870 151 Watts
Difference: 56 Watts (59%)

Memory Bandwidth

Theoretically, the Radeon HD 6870 should be a lot faster than the GeForce 9600 GT 512MB overall. (explain)

Radeon HD 6870 134400 MB/sec
GeForce 9600 GT 512MB 57600 MB/sec
Difference: 76800 (133%)

Texel Rate

The Radeon HD 6870 will be much (about 142%) better at anisotropic filtering than the GeForce 9600 GT 512MB. (explain)

Radeon HD 6870 50400 Mtexels/sec
GeForce 9600 GT 512MB 20800 Mtexels/sec
Difference: 29600 (142%)

Pixel Rate

The Radeon HD 6870 should be a lot (more or less 177%) faster with regards to full screen anti-aliasing than the GeForce 9600 GT 512MB, and able to handle higher resolutions better. (explain)

Radeon HD 6870 28800 Mpixels/sec
GeForce 9600 GT 512MB 10400 Mpixels/sec
Difference: 18400 (177%)

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

Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.

GeForce 9600 GT 512MB

Amazon.com

Other US-based stores

Amazon.co.uk

Amazon.de

Amazon.fr

Radeon HD 6870

Amazon.com

Other US-based stores

Amazon.co.uk

Amazon.de

Amazon.fr

Specifications

Model GeForce 9600 GT 512MB Radeon HD 6870
Manufacturer nVidia ATi
Year Feb 2008 October 2010
Code Name G94a/b Barts XT
Fab Process 65/55 nm 40 nm
Bus PCIe x16 2.0 PCIe x16
Memory 512 MB 1024 MB
Core Speed 650 MHz 900 MHz
Shader Speed 1625 MHz (N/A) MHz
Memory Speed 900 MHz 1050 MHz
Unified Shaders 64 1120
Texture Mapping Units 32 56
Render Output Units 16 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit 256-bit
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1
Power (Max TDP) 95 watts 151 watts
Shader Model 4.0 5.0
Bandwidth 57600 MB/sec 134400 MB/sec
Texel Rate 20800 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 28800 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better 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 number of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total amount of texture units by the core clock 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 applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core 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 rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

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One Response to “GeForce 9600 GT 512MB vs Radeon HD 6870”

[...] Video Card – AMD HD 6870 (Comparison between my old NVIDIA GeForce 9600 GT and the AMD HD 6870) [...]

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