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GeForce GTS 250 512MB vs GeForce GTX 965M

Intro

The GeForce GTS 250 512MB makes use of a 65/55 nm design. nVidia has set the core speed at 738 MHz. The GDDR3 memory runs at a frequency of 1100 MHz on this particular model. It features 128 SPUs as well as 64 TAUs and 16 Rasterization Operator Units.

Compare those specs to the GeForce GTX 965M, which features a GPU core clock speed of 944 MHz, and 2048 MB of GDDR5 memory set to run at 1000 MHz through a 128-bit bus. It also is comprised of 1024 Stream Processors, 64 Texture Address Units, and 32 ROPs.

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

The GeForce GTS 250 512MB, in theory, should perform a bit faster 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 will be a lot (about 28%) more effective at AF 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

If running with lots of anti-aliasing is important to you, then the GeForce GTX 965M is the winner, by a large margin. (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

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GeForce GTX 965M

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 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: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, it should 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 number of texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total amount of texture units by the core clock 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum 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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