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GeForce 9800 GTX+ vs Radeon HD 6750

Intro

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

Compare all of that to the Radeon HD 6750, which makes use of a 40 nm design. AMD has set the core frequency at 725 MHz. The GDDR5 memory works at a frequency of 1000 MHz on this specific model. It features 720 SPUs along with 36 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

As far as performance goes, the GeForce 9800 GTX+ should in theory be just a bit better than the Radeon HD 6750 in general. (explain)

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

Texel Rate

The GeForce 9800 GTX+ is quite a bit (approximately 81%) more effective at AF than the Radeon HD 6750. (explain)

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

Pixel Rate

The GeForce 9800 GTX+ will be a little bit (more or less 2%) better at full screen anti-aliasing than the Radeon HD 6750, and capable of handling higher screen resolutions better. (explain)

GeForce 9800 GTX+ 11808 Mpixels/sec
Radeon HD 6750 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

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
Manufacturer nVidia AMD
Year July 2008 January 2011
Code Name G92b Juniper Pro
Memory 512 MB 512 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 4.0

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transported past the external memory interface in one second. It is worked out by multiplying the interface width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the video 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 maximum amount of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 9800 GTX+

Amazon.com

Check prices at:

Radeon HD 6750

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.

Comments

One Response to “GeForce 9800 GTX+ vs Radeon HD 6750”
Beerman says:

That is insane the old 9800GTX+ A older card beating the newer DX11 ATI 6750. People who bought the 9800 GTX+ sure have got their money's worth when 5 years later it is still out performing modern cards. I bought a used one to tied me over after I fried my 5850 and I only noticed a slight decrease in performance but not much. Great card it will always be my trusty back up.

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