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GeForce GTS 250 1GB vs GeForce GTX 460 1GB

Intro

The GeForce GTS 250 1GB has a GPU core clock speed of 738 MHz, and the 1024 MB of GDDR3 memory is set to run at 1100 MHz through a 256-bit bus. It also is made up of 128 Stream Processors, 64 Texture Address Units, and 16 Raster Operation Units.

Compare those specifications to the GeForce GTX 460 1GB, which has GPU core speed of 675 MHz, and 1024 MB of GDDR5 RAM running at 900 MHz through a 256-bit bus. It also is comprised of 336 Stream Processors, 56 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 250 1GB 145 Watts
GeForce GTX 460 1GB 160 Watts
Difference: 15 Watts (10%)

Memory Bandwidth

Performance-wise, the GeForce GTX 460 1GB should in theory be a lot better than the GeForce GTS 250 1GB overall. (explain)

GeForce GTX 460 1GB 115200 MB/sec
GeForce GTS 250 1GB 70400 MB/sec
Difference: 44800 (64%)

Texel Rate

The GeForce GTS 250 1GB is much (approximately 25%) more effective at AF than the GeForce GTX 460 1GB. (explain)

GeForce GTS 250 1GB 47232 Mtexels/sec
GeForce GTX 460 1GB 37800 Mtexels/sec
Difference: 9432 (25%)

Pixel Rate

The GeForce GTX 460 1GB will be quite a bit (approximately 83%) better at FSAA than the GeForce GTS 250 1GB, and will be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 460 1GB 21600 Mpixels/sec
GeForce GTS 250 1GB 11808 Mpixels/sec
Difference: 9792 (83%)

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

Check prices at:

GeForce GTX 460 1GB

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 1GB GeForce GTX 460 1GB
Manufacturer nVidia nVidia
Year March 3, 2009 July 2010
Code Name G92a/b GF104
Memory 1024 MB 1024 MB
Core Speed 738 MHz 675 MHz
Memory Speed 2200 MHz 3600 MHz
Power (Max TDP) 145 watts 160 watts
Bandwidth 70400 MB/sec 115200 MB/sec
Texel Rate 47232 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 21600 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 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 (measured in megabytes per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTS 250 1GB

Amazon.com

Check prices at:

GeForce GTX 460 1GB

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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