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GeForce GTS 250 512MB vs GeForce GTX 750 Ti

Intro

The GeForce GTS 250 512MB features a GPU core clock speed of 738 MHz, and the 512 MB of GDDR3 memory runs 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 specs to the GeForce GTX 750 Ti, which has core speeds of 1020 MHz on the GPU, and 1350 MHz on the 2048 MB of GDDR5 RAM. It features 640 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 Ti 60 Watts
GeForce GTS 250 512MB 145 Watts
Difference: 85 Watts (142%)

Memory Bandwidth

In theory, the GeForce GTX 750 Ti is 23% quicker than the GeForce GTS 250 512MB in general, due to its higher bandwidth. (explain)

GeForce GTX 750 Ti 86400 MB/sec
GeForce GTS 250 512MB 70400 MB/sec
Difference: 16000 (23%)

Texel Rate

The GeForce GTS 250 512MB is a small bit (about 16%) more effective at texture filtering than the GeForce GTX 750 Ti. (explain)

GeForce GTS 250 512MB 47232 Mtexels/sec
GeForce GTX 750 Ti 40800 Mtexels/sec
Difference: 6432 (16%)

Pixel Rate

The GeForce GTX 750 Ti will be a lot (about 38%) faster with regards to FSAA than the GeForce GTS 250 512MB, and also should be capable of handling higher resolutions more effectively. (explain)

GeForce GTX 750 Ti 16320 Mpixels/sec
GeForce GTS 250 512MB 11808 Mpixels/sec
Difference: 4512 (38%)

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

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GeForce GTX 750 Ti

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

Display Specifications

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Model GeForce GTS 250 512MB GeForce GTX 750 Ti
Manufacturer nVidia nVidia
Year March 3, 2009 February 2014
Code Name G92a/b GM107
Memory 512 MB 2048 MB
Core Speed 738 MHz 1020 MHz
Memory Speed 2200 MHz 5400 MHz
Power (Max TDP) 145 watts 60 watts
Bandwidth 70400 MB/sec 86400 MB/sec
Texel Rate 47232 Mtexels/sec 40800 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 16320 Mpixels/sec
Unified Shaders 128 640
Texture Mapping Units 64 40
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 28 nm
Transistors 754 million 1870 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.1 OpenGL 4.4

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster 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 in one second. This number is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially 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 512MB

Amazon.com

Check prices at:

GeForce GTX 750 Ti

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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