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GeForce GTS 250 512MB vs GeForce GTX 965M

Intro

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

Compare all of that to the GeForce GTX 965M, which comes with a clock speed of 944 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It features 1024 SPUs, 64 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
GeForce GTS 250 512MB 145 Watts
Difference: 85 Watts (142%)

Memory Bandwidth

As far as performance goes, the GeForce GTS 250 512MB should theoretically be a bit better than the GeForce GTX 965M overall. (explain)

GeForce GTS 250 512MB 70400 MB/sec
GeForce GTX 965M 64000 MB/sec
Difference: 6400 (10%)

Texel Rate

The GeForce GTX 965M should be quite a bit (more or less 28%) more effective at texture filtering than the GeForce GTS 250 512MB. (explain)

GeForce GTX 965M 60416 Mtexels/sec
GeForce GTS 250 512MB 47232 Mtexels/sec
Difference: 13184 (28%)

Pixel Rate

The GeForce GTX 965M will be quite a bit (approximately 156%) better at anti-aliasing than the GeForce GTS 250 512MB, and also should be able to handle higher resolutions better. (explain)

GeForce GTX 965M 30208 Mpixels/sec
GeForce GTS 250 512MB 11808 Mpixels/sec
Difference: 18400 (156%)

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 965M

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 965M
Manufacturer nVidia nVidia
Year March 3, 2009 January 5 2015
Code Name G92a/b GM204
Memory 512 MB 2048 MB
Core Speed 738 MHz 944 MHz
Memory Speed 2200 MHz 4000 MHz
Power (Max TDP) 145 watts 60 watts
Bandwidth 70400 MB/sec 64000 MB/sec
Texel Rate 47232 Mtexels/sec 60416 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 30208 Mpixels/sec
Unified Shaders 128 1024
Texture Mapping Units 64 64
Render Output Units 16 32
Bus Type GDDR3 GDDR5
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: Bandwidth is the largest amount of information (in units of megabytes per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 can be applied per second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the 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 965M

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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