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GeForce GTS 250 512MB vs GeForce GTX 950M

Intro

The GeForce GTS 250 512MB has a GPU clock speed of 738 MHz, and the 512 MB of GDDR3 memory runs at 1100 MHz through a 256-bit bus. It also is made up of 128 SPUs, 64 Texture Address Units, and 16 ROPs.

Compare all that to the GeForce GTX 950M, which features GPU clock speed of 914 MHz, and 2048 MB of DDR3 RAM set to run at 1000 MHz through a 128-bit bus. It also is made up of 640 Stream Processors, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M 55 Watts
GeForce GTS 250 512MB 145 Watts
Difference: 90 Watts (164%)

Memory Bandwidth

In theory, the GeForce GTS 250 512MB should be 120% faster than the GeForce GTX 950M in general, because of its greater data rate. (explain)

GeForce GTS 250 512MB 70400 MB/sec
GeForce GTX 950M 32000 MB/sec
Difference: 38400 (120%)

Texel Rate

The GeForce GTS 250 512MB should be much (approximately 29%) faster with regards to texture filtering than the GeForce GTX 950M. (explain)

GeForce GTS 250 512MB 47232 Mtexels/sec
GeForce GTX 950M 36560 Mtexels/sec
Difference: 10672 (29%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 950M is a better choice, by far. (explain)

GeForce GTX 950M 14624 Mpixels/sec
GeForce GTS 250 512MB 11808 Mpixels/sec
Difference: 2816 (24%)

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 950M

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 950M
Manufacturer nVidia nVidia
Year March 3, 2009 March 12 2015
Code Name G92a/b GM107
Memory 512 MB 2048 MB
Core Speed 738 MHz 914 MHz
Memory Speed 2200 MHz 2000 MHz
Power (Max TDP) 145 watts 55 watts
Bandwidth 70400 MB/sec 32000 MB/sec
Texel Rate 47232 Mtexels/sec 36560 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 14624 Mpixels/sec
Unified Shaders 128 640
Texture Mapping Units 64 40
Render Output Units 16 16
Bus Type GDDR3 DDR3
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 28 nm
Transistors 754 million (Unknown) million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.1 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transported over the external memory interface in one second. The number is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the video 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 could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the 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 950M

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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