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GeForce 9600 GT 512MB vs Radeon HD 6670 (OEM) 1GB

Intro

The GeForce 9600 GT 512MB comes with core speeds of 650 MHz on the GPU, and 900 MHz on the 512 MB of GDDR3 memory. It features 64 SPUs as well as 32 TAUs and 16 Rasterization Operator Units.

Compare all of that to the Radeon HD 6670 (OEM) 1GB, which uses a 40 nm design. AMD has clocked the core frequency at 800 MHz. The GDDR5 RAM works at a frequency of 1000 MHz on this model. It features 480 SPUs as well as 24 Texture Address Units and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM) 1GB 63 Watts
GeForce 9600 GT 512MB 95 Watts
Difference: 32 Watts (51%)

Memory Bandwidth

In theory, the Radeon HD 6670 (OEM) 1GB should perform a little bit faster than the GeForce 9600 GT 512MB overall. (explain)

Radeon HD 6670 (OEM) 1GB 64000 MB/sec
GeForce 9600 GT 512MB 57600 MB/sec
Difference: 6400 (11%)

Texel Rate

The GeForce 9600 GT 512MB should be just a bit (approximately 8%) faster with regards to texture filtering than the Radeon HD 6670 (OEM) 1GB. (explain)

GeForce 9600 GT 512MB 20800 Mtexels/sec
Radeon HD 6670 (OEM) 1GB 19200 Mtexels/sec
Difference: 1600 (8%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce 9600 GT 512MB is the winner, by far. (explain)

GeForce 9600 GT 512MB 10400 Mpixels/sec
Radeon HD 6670 (OEM) 1GB 6400 Mpixels/sec
Difference: 4000 (63%)

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

GeForce 9600 GT 512MB

Radeon HD 6670 (OEM) 1GB

Specifications

Display Specifications

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Model GeForce 9600 GT 512MB Radeon HD 6670 (OEM) 1GB
Manufacturer nVidia AMD
Year Feb 2008 February 2011
Code Name G94a/b Turks
Memory 512 MB 1024 MB
Core Speed 650 MHz 800 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 95 watts 63 watts
Bandwidth 57600 MB/sec 64000 MB/sec
Texel Rate 20800 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 6400 Mpixels/sec
Unified Shaders 64 480
Texture Mapping Units 32 24
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 40 nm
Transistors 505 million 715 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

GeForce 9600 GT 512MB

Radeon HD 6670 (OEM) 1GB

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