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GeForce GTS 250 512MB vs GeForce GTX 460 SE

Intro

The GeForce GTS 250 512MB comes with a GPU core speed of 738 MHz, and the 512 MB of GDDR3 RAM is set to run at 1100 MHz through a 256-bit bus. It also features 128 Stream Processors, 64 TAUs, and 16 Raster Operation Units.

Compare those specifications to the GeForce GTX 460 SE, which uses a 40 nm design. nVidia has set the core speed at 650 MHz. The GDDR5 memory is set to run at a speed of 850 MHz on this particular card. It features 288 SPUs as well as 48 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 250 512MB 145 Watts
GeForce GTX 460 SE 150 Watts
Difference: 5 Watts (3%)

Memory Bandwidth

Theoretically, the GeForce GTX 460 SE should perform much faster than the GeForce GTS 250 512MB overall. (explain)

GeForce GTX 460 SE 108800 MB/sec
GeForce GTS 250 512MB 70400 MB/sec
Difference: 38400 (55%)

Texel Rate

The GeForce GTS 250 512MB should be much (approximately 51%) more effective at texture filtering than the GeForce GTX 460 SE. (explain)

GeForce GTS 250 512MB 47232 Mtexels/sec
GeForce GTX 460 SE 31200 Mtexels/sec
Difference: 16032 (51%)

Pixel Rate

The GeForce GTX 460 SE is much (more or less 76%) more effective at anti-aliasing than the GeForce GTS 250 512MB, and should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 460 SE 20800 Mpixels/sec
GeForce GTS 250 512MB 11808 Mpixels/sec
Difference: 8992 (76%)

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

Check prices at:

GeForce GTX 460 SE

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 GeForce GTX 460 SE
Manufacturer nVidia nVidia
Year March 3, 2009 November 2010
Code Name G92a/b GF104
Memory 512 MB 1024 MB
Core Speed 738 MHz 650 MHz
Memory Speed 2200 MHz 3400 MHz
Power (Max TDP) 145 watts 150 watts
Bandwidth 70400 MB/sec 108800 MB/sec
Texel Rate 47232 Mtexels/sec 31200 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 20800 Mpixels/sec
Unified Shaders 128 288
Texture Mapping Units 64 48
Render Output Units 16 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit 256-bit
Fab Process 65/55 nm 40 nm
Transistors 754 million 1950 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Memory 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's worked out by multiplying the bus width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

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

Display Prices

Hide Prices

GeForce GTS 250 512MB

Amazon.com

Check prices at:

GeForce GTX 460 SE

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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