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GeForce 9800 GTX+ vs Radeon HD 6750 1GB

Intro

The GeForce 9800 GTX+ features a GPU core speed of 738 MHz, and the 512 MB of GDDR3 RAM is set to run at 1100 MHz through a 256-bit bus. It also is made up of 128 Stream Processors, 64 Texture Address Units, and 16 ROPs.

Compare those specifications to the Radeon HD 6750 1GB, which comes with clock speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 720 SPUs along with 36 TAUs and 16 Rasterization Operator Units.

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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 10% quicker than the Radeon HD 6750 1GB in general, because of its higher bandwidth. (explain)

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

Texel Rate

The GeForce 9800 GTX+ is a lot (more or less 81%) faster with regards to AF 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 little bit (about 2%) more effective at anti-aliasing than the Radeon HD 6750 1GB, and capable of handling higher screen resolutions better. (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: Memory bandwidth is the largest amount of information (measured in MB per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the 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 maximum amount of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs 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 fill rate also depends on quite a few 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 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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