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GeForce 9800 GTX+ vs Radeon HD 6750 1GB

Intro

The GeForce 9800 GTX+ has a clock frequency of 738 MHz and a GDDR3 memory speed of 1100 MHz. It also features a 256-bit bus, and uses a 55 nm design. It is made up of 128 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

Compare those specifications to the Radeon HD 6750 1GB, which features a core clock speed of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 128-bit bus, and uses a 40 nm design. It is comprised of 720 SPUs, 36 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750 1GB 86 Watts
GeForce 9800 GTX+ 145 Watts
Difference: 59 Watts (69%)

Memory Bandwidth

In theory, the GeForce 9800 GTX+ should be a little bit faster than the Radeon HD 6750 1GB in general. (explain)

GeForce 9800 GTX+ 70400 MB/sec
Radeon HD 6750 1GB 64000 MB/sec
Difference: 6400 (10%)

Texel Rate

The GeForce 9800 GTX+ will be quite a bit (approximately 81%) faster with regards to anisotropic filtering than the Radeon HD 6750 1GB. (explain)

GeForce 9800 GTX+ 47232 Mtexels/sec
Radeon HD 6750 1GB 26100 Mtexels/sec
Difference: 21132 (81%)

Pixel Rate

The GeForce 9800 GTX+ is a small bit (about 2%) more effective at full screen anti-aliasing than the Radeon HD 6750 1GB, and able to handle higher resolutions without slowing down too much. (explain)

GeForce 9800 GTX+ 11808 Mpixels/sec
Radeon HD 6750 1GB 11600 Mpixels/sec
Difference: 208 (2%)

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 9800 GTX+

Amazon.com

Check prices at:

Radeon HD 6750 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 9800 GTX+ Radeon HD 6750 1GB
Manufacturer nVidia AMD
Year July 2008 January 2011
Code Name G92b Juniper Pro
Memory 512 MB 1024 MB
Core Speed 738 MHz 725 MHz
Memory Speed 2200 MHz 4000 MHz
Power (Max TDP) 145 watts 86 watts
Bandwidth 70400 MB/sec 64000 MB/sec
Texel Rate 47232 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 128 720
Texture Mapping Units 64 36
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 754 million 1040 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (measured in MB per second) that can be moved past the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka 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, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce 9800 GTX+

Amazon.com

Check prices at:

Radeon HD 6750 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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