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GeForce GTS 150 vs Radeon HD 6750

Intro

The GeForce GTS 150 has a core clock speed of 740 MHz and a GDDR3 memory frequency of 500 MHz. It also makes use of a 256-bit memory bus, and makes use of a 55 nm design. It features 128 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

Compare that to the Radeon HD 6750, which features a clock frequency of 725 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 128-bit memory bus, and makes use of a 40 nm design. It is made up of 720 SPUs, 36 Texture Address Units, 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

In theory, the Radeon HD 6750 should perform much faster than the GeForce GTS 150 overall. (explain)

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

Texel Rate

The GeForce GTS 150 will be much (about 81%) better at texture 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 (more or less 2%) faster with regards to anti-aliasing than the Radeon HD 6750, and also should be capable of handling higher resolutions without slowing down too much. (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 largest amount of information (measured in MB per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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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.

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