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

Intro

The GeForce 9600 GT 512MB has core clock 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 Texture Address Units and 16 ROPs.

Compare those specifications to the Radeon HD 6670 (OEM) 1GB, which comes with a clock frequency of 800 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 128-bit memory bus, and makes use of a 40 nm design. It is comprised of 480 SPUs, 24 TAUs, and 8 ROPs.

(No game benchmarks for this combination yet.)

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

Theoretically speaking, the Radeon HD 6670 (OEM) 1GB is 11% quicker than the GeForce 9600 GT 512MB overall, because of its greater data rate. (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 a small bit (more or less 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 a high screen resolution is important to you, then the GeForce 9600 GT 512MB is the winner, and very much so. (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

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

Radeon HD 6670 (OEM) 1GB

Amazon.com

Other US-based stores

Specifications

Model GeForce 9600 GT 512MB Radeon HD 6670 (OEM) 1GB
Manufacturer nVidia ATi
Year Feb 2008 February 2011
Code Name G94a/b Turks
Fab Process 65/55 nm 40 nm
Bus PCIe x16 2.0 PCIe 2.1 x16
Memory 512 MB 1024 MB
Core Speed 650 MHz 800 MHz
Shader Speed 1625 MHz (N/A) MHz
Memory Speed 900 MHz (1800 MHz effective) 1000 MHz (4000 MHz effective)
Unified Shaders 64 480
Texture Mapping Units 32 24
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1
Power (Max TDP) 95 watts 63 watts
Shader Model 4.0 5.0
Bandwidth 57600 MB/sec 64000 MB/sec
Texel Rate 20800 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 6400 Mpixels/sec

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported over the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, 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 processed per second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics 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 most pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

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