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GeForce GTS 250 512MB vs GeForce GTX 460 SE

Intro

The GeForce GTS 250 512MB uses a 65/55 nm design. nVidia has clocked the core frequency at 738 MHz. The GDDR3 memory works at a speed of 1100 MHz on this specific model. It features 128 SPUs as well as 64 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the GeForce GTX 460 SE, which features a clock speed of 650 MHz and a GDDR5 memory speed of 850 MHz. It also features a 256-bit memory bus, and makes use of a 40 nm design. It is made up of 288 SPUs, 48 Texture Address Units, and 32 ROPs.

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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% faster than the GeForce GTS 250 512MB overall, because of its higher bandwidth. (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 will be a lot (approximately 51%) better at AF 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 will be a lot (more or less 76%) better at FSAA than the GeForce GTS 250 512MB, and also should be able to handle higher resolutions better. (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 maximum amount of data (counted in MB per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - 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:

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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