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GeForce GTS 250 512MB vs Radeon HD 6750

Intro

The GeForce GTS 250 512MB features core clock speeds of 738 MHz on the GPU, and 1100 MHz on the 512 MB of GDDR3 RAM. It features 128 SPUs as well as 64 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the Radeon HD 6750, which features a core clock speed of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 128-bit 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 250 512MB 145 Watts
Difference: 59 Watts (69%)

Memory Bandwidth

In theory, the GeForce GTS 250 512MB should perform just a bit faster than the Radeon HD 6750 in general. (explain)

GeForce GTS 250 512MB 70400 MB/sec
Radeon HD 6750 64000 MB/sec
Difference: 6400 (10%)

Texel Rate

The GeForce GTS 250 512MB is quite a bit (about 81%) more effective at texture filtering than the Radeon HD 6750. (explain)

GeForce GTS 250 512MB 47232 Mtexels/sec
Radeon HD 6750 26100 Mtexels/sec
Difference: 21132 (81%)

Pixel Rate

The GeForce GTS 250 512MB should be just a bit (about 2%) more effective at full screen anti-aliasing than the Radeon HD 6750, and also able to handle higher screen resolutions better. (explain)

GeForce GTS 250 512MB 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 GTS 250 512MB

Amazon.com

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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 250 512MB Radeon HD 6750
Manufacturer nVidia AMD
Year March 3, 2009 January 2011
Code Name G92a/b 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 65/55 nm 40 nm
Transistors 754 million 1040 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.0

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

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour 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 rate also depends on many 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

Hide Prices

GeForce GTS 250 512MB

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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