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GeForce GTS 250 512MB vs GeForce GTX 460 SE

Intro

The GeForce GTS 250 512MB features a GPU core clock 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 is made up of 128 Stream Processors, 64 TAUs, and 16 Raster Operation Units.

Compare those specifications to the GeForce GTX 460 SE, which has a clock frequency of 650 MHz and a GDDR5 memory speed of 850 MHz. It also makes use of a 256-bit bus, and makes use of a 40 nm design. It features 288 SPUs, 48 TAUs, and 32 Raster Operation Units.

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

In theory, the GeForce GTX 460 SE will be 55% quicker than the GeForce GTS 250 512MB in general, due to its greater data rate. (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 is quite a bit (more or less 51%) better 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

If running with high levels of AA is important to you, then the GeForce GTX 460 SE is a better choice, by a large margin. (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

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GeForce GTX 460 SE

Amazon.com

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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: Bandwidth is the maximum amount of information (in units of MB per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the interface width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied 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 better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core clock speed. 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 fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max 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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