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GeForce GTS 250 512MB vs GeForce GTX 460 SE

Intro

The GeForce GTS 250 512MB comes with a GPU 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 features 128 Stream Processors, 64 Texture Address Units, and 16 Raster Operation Units.

Compare those specifications to the GeForce GTX 460 SE, which comes with a GPU core clock speed of 650 MHz, and 1024 MB of GDDR5 memory set to run at 850 MHz through a 256-bit bus. It also is made up of 288 Stream Processors, 48 Texture Address Units, 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 is 55% quicker than the GeForce GTS 250 512MB overall, 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 will be much (approximately 51%) faster with regards to 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 should be quite a bit (approximately 76%) better at FSAA than the GeForce GTS 250 512MB, and able to handle higher screen resolutions without slowing down too much. (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

Display 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 (counted in MB per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the interface width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This figure is worked out 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 handling 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 that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines 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 many other factors, most notably the memory bandwidth - the lower the 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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