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GeForce GTX 650 Ti 2GB vs GeForce GTX 750 Ti

Intro

The GeForce GTX 650 Ti 2GB has a clock speed of 928 MHz and a GDDR5 memory speed of 1350 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It features 768 SPUs, 64 Texture Address Units, and 16 ROPs.

Compare those specs to the GeForce GTX 750 Ti, which features a GPU core clock speed of 1020 MHz, and 2048 MB of GDDR5 RAM running at 1350 MHz through a 128-bit bus. It also is made up of 640 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 Ti 60 Watts
GeForce GTX 650 Ti 2GB 110 Watts
Difference: 50 Watts (83%)

Memory Bandwidth

Both cards have the exact same memory bandwidth, so theoretically they should perform exactly the same. (explain)

Texel Rate

The GeForce GTX 650 Ti 2GB is quite a bit (more or less 46%) more effective at anisotropic filtering than the GeForce GTX 750 Ti. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
GeForce GTX 750 Ti 40800 Mtexels/sec
Difference: 18592 (46%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 750 Ti is superior to the GeForce GTX 650 Ti 2GB, but not by far. (explain)

GeForce GTX 750 Ti 16320 Mpixels/sec
GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Difference: 1472 (10%)

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 GTX 650 Ti 2GB

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.

Specifications

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Model GeForce GTX 650 Ti 2GB GeForce GTX 750 Ti
Manufacturer nVidia nVidia
Year October 2012 February 2014
Code Name GK106 GM107
Memory 2048 MB 2048 MB
Core Speed 928 MHz 1020 MHz
Memory Speed 5400 MHz 5400 MHz
Power (Max TDP) 110 watts 60 watts
Bandwidth 86400 MB/sec 86400 MB/sec
Texel Rate 59392 Mtexels/sec 40800 Mtexels/sec
Pixel Rate 14848 Mpixels/sec 16320 Mpixels/sec
Unified Shaders 768 640
Texture Mapping Units 64 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 2540 million 1870 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.0
OpenGL Version OpenGL 4.3 OpenGL 4.4

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 650 Ti 2GB

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.

Comments

2 Responses to “GeForce GTX 650 Ti 2GB vs GeForce GTX 750 Ti”
Blair says:

With all due respect I think you got the texel rate wrong on the GTX 750 Ti , If that was the case nobody would be buying the 750 Ti over the GTX 650 Ti because it would be much slower.
Also you have the pixel rate wrong on the non Ti GTX 650,

CrosFire says:

por lo que dices la gtx 750 Ti es peor que la gtx650 Ti. No le veo sentido la verdad. AsĂ­ lo Ășnico que consigues es confundir a la jente.

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