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GeForce GTS 250 512MB vs GeForce GTX 470

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 is comprised of 128 Stream Processors, 64 Texture Address Units, and 16 ROPs.

Compare all that to the GeForce GTX 470, which has clock speeds of 607 MHz on the GPU, and 837 MHz on the 1280 MB of GDDR5 RAM. It features 448 SPUs as well as 56 TAUs and 40 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 250 512MB 145 Watts
GeForce GTX 470 215 Watts
Difference: 70 Watts (48%)

Memory Bandwidth

Performance-wise, the GeForce GTX 470 should theoretically be much better than the GeForce GTS 250 512MB overall. (explain)

GeForce GTX 470 133920 MB/sec
GeForce GTS 250 512MB 70400 MB/sec
Difference: 63520 (90%)

Texel Rate

The GeForce GTS 250 512MB will be quite a bit (approximately 39%) better at AF than the GeForce GTX 470. (explain)

GeForce GTS 250 512MB 47232 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 13240 (39%)

Pixel Rate

The GeForce GTX 470 should be quite a bit (about 106%) more effective at AA than the GeForce GTS 250 512MB, and also should be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 470 24280 Mpixels/sec
GeForce GTS 250 512MB 11808 Mpixels/sec
Difference: 12472 (106%)

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 470

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 470
Manufacturer nVidia nVidia
Year March 3, 2009 March 2010
Code Name G92a/b GF100
Memory 512 MB 1280 MB
Core Speed 738 MHz 607 MHz
Memory Speed 2200 MHz 3348 MHz
Power (Max TDP) 145 watts 215 watts
Bandwidth 70400 MB/sec 133920 MB/sec
Texel Rate 47232 Mtexels/sec 33992 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 24280 Mpixels/sec
Unified Shaders 128 448
Texture Mapping Units 64 56
Render Output Units 16 40
Bus Type GDDR3 GDDR5
Bus Width 256-bit 320-bit
Fab Process 65/55 nm 40 nm
Transistors 754 million 3000 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 information (in units of MB per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the bus width by its memory speed. In the case of DDR memory, it should be multiplied by 2 again. If it uses 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, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at 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 write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTS 250 512MB

Amazon.com

Check prices at:

GeForce GTX 470

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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