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GeForce GTS 250 1GB vs GeForce GTX 560

Intro

The GeForce GTS 250 1GB uses a 65/55 nm design. nVidia has clocked the core frequency at 738 MHz. The GDDR3 memory is set to run at a frequency of 1100 MHz on this particular card. It features 128 SPUs along with 64 Texture Address Units and 16 ROPs.

Compare all that to the GeForce GTX 560, which makes use of a 40 nm design. nVidia has set the core frequency at 810 MHz. The GDDR5 memory is set to run at a speed of 1001 MHz on this model. It features 336 SPUs along with 56 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 250 1GB 145 Watts
GeForce GTX 560 150 Watts
Difference: 5 Watts (3%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 should be 82% quicker than the GeForce GTS 250 1GB overall, because of its higher bandwidth. (explain)

GeForce GTX 560 128128 MB/sec
GeForce GTS 250 1GB 70400 MB/sec
Difference: 57728 (82%)

Texel Rate

The GeForce GTS 250 1GB will be a small bit (approximately 4%) better at AF than the GeForce GTX 560. (explain)

GeForce GTS 250 1GB 47232 Mtexels/sec
GeForce GTX 560 45360 Mtexels/sec
Difference: 1872 (4%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 560 is a better choice, by a large margin. (explain)

GeForce GTX 560 25920 Mpixels/sec
GeForce GTS 250 1GB 11808 Mpixels/sec
Difference: 14112 (120%)

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 1GB

Amazon.com

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GeForce GTX 560

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 1GB GeForce GTX 560
Manufacturer nVidia nVidia
Year March 3, 2009 May 2011
Code Name G92a/b GF114
Memory 1024 MB 1024 MB
Core Speed 738 MHz 810 MHz
Memory Speed 2200 MHz 4004 MHz
Power (Max TDP) 145 watts 150 watts
Bandwidth 70400 MB/sec 128128 MB/sec
Texel Rate 47232 Mtexels/sec 45360 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 25920 Mpixels/sec
Unified Shaders 128 336
Texture Mapping Units 64 56
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 2.0 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 (counted in megabytes per second) that can be transported across the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total number of texture units of the card by the core clock 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTS 250 1GB

Amazon.com

Check prices at:

GeForce GTX 560

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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