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GeForce GTS 150 vs Radeon HD 6750

Intro

The GeForce GTS 150 features a GPU core clock speed of 740 MHz, and the 1024 MB of GDDR3 RAM runs at 500 MHz through a 256-bit bus. It also is comprised of 128 SPUs, 64 TAUs, and 16 Raster Operation Units.

Compare all of that to the Radeon HD 6750, which has a clock frequency of 725 MHz and a GDDR5 memory frequency of 1000 MHz. It also makes use of a 128-bit memory bus, and uses a 40 nm design. It is comprised of 720 SPUs, 36 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750 86 Watts
GeForce GTS 150 141 Watts
Difference: 55 Watts (64%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6750 is 100% quicker than the GeForce GTS 150 overall, because of its higher data rate. (explain)

Radeon HD 6750 64000 MB/sec
GeForce GTS 150 32000 MB/sec
Difference: 32000 (100%)

Texel Rate

The GeForce GTS 150 will be quite a bit (about 81%) better at anisotropic filtering than the Radeon HD 6750. (explain)

GeForce GTS 150 47360 Mtexels/sec
Radeon HD 6750 26100 Mtexels/sec
Difference: 21260 (81%)

Pixel Rate

The GeForce GTS 150 should be just a bit (about 2%) better at full screen anti-aliasing than the Radeon HD 6750, and also capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTS 150 11840 Mpixels/sec
Radeon HD 6750 11600 Mpixels/sec
Difference: 240 (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 GTS 150

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 GTS 150 Radeon HD 6750
Manufacturer nVidia AMD
Year March 10, 2009 January 2011
Code Name G92b Juniper Pro
Memory 1024 MB 512 MB
Core Speed 740 MHz 725 MHz
Memory Speed 1000 MHz 4000 MHz
Power (Max TDP) 141 watts 86 watts
Bandwidth 32000 MB/sec 64000 MB/sec
Texel Rate 47360 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 11840 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 max amount of information (counted in megabytes per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen 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 texture units of the card by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant 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

Hide Prices

GeForce GTS 150

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.

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