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GeForce GTS 150 vs Radeon HD 6750 1GB

Intro

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

Compare all of that to the Radeon HD 6750 1GB, which features clock speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 720 SPUs as well as 36 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750 1GB 86 Watts
GeForce GTS 150 141 Watts
Difference: 55 Watts (64%)

Memory Bandwidth

In theory, the Radeon HD 6750 1GB should be quite a bit faster than the GeForce GTS 150 overall. (explain)

Radeon HD 6750 1GB 64000 MB/sec
GeForce GTS 150 32000 MB/sec
Difference: 32000 (100%)

Texel Rate

The GeForce GTS 150 is much (about 81%) more effective at AF than the Radeon HD 6750 1GB. (explain)

GeForce GTS 150 47360 Mtexels/sec
Radeon HD 6750 1GB 26100 Mtexels/sec
Difference: 21260 (81%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTS 150 is the winner, but only just. (explain)

GeForce GTS 150 11840 Mpixels/sec
Radeon HD 6750 1GB 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 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 GTS 150 Radeon HD 6750 1GB
Manufacturer nVidia AMD
Year March 10, 2009 January 2011
Code Name G92b Juniper Pro
Memory 1024 MB 1024 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 4.1

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of MB per second) that can be transported past the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTS 150

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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