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GeForce GTS 250 512MB vs GeForce GTX 470

Intro

The GeForce GTS 250 512MB has a clock frequency of 738 MHz and a GDDR3 memory frequency of 1100 MHz. It also features a 256-bit bus, and uses a 65/55 nm design. It is made up of 128 SPUs, 64 Texture Address Units, and 16 ROPs.

Compare those specifications to the GeForce GTX 470, which has core clock speeds of 607 MHz on the GPU, and 837 MHz on the 1280 MB of GDDR5 memory. It features 448 SPUs along with 56 TAUs and 40 ROPs.

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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

Theoretically speaking, the GeForce GTX 470 will be 90% faster than the GeForce GTS 250 512MB overall, because of its higher data rate. (explain)

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

Texel Rate

The GeForce GTS 250 512MB is a lot (about 39%) better at anisotropic filtering than the GeForce GTX 470. (explain)

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

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 470 is superior to the GeForce GTS 250 512MB, by far. (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

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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: Bandwidth is the largest amount of information (counted in megabytes per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number 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 rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum 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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