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GeForce GTX 650 Ti vs GeForce GTX 750 Ti

Intro

The GeForce GTX 650 Ti makes use of a 28 nm design. nVidia has clocked the core frequency at 928 MHz. The GDDR5 RAM runs at a frequency of 1350 MHz on this particular model. It features 768 SPUs along with 64 TAUs and 16 ROPs.

Compare all that to the GeForce GTX 750 Ti, which features a core clock frequency of 1020 MHz and a GDDR5 memory frequency of 1350 MHz. It also features a 128-bit bus, and uses a 28 nm design. It is made up of 640 SPUs, 40 TAUs, and 16 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 750 Ti 4562 points
GeForce GTX 650 Ti 3434 points
Difference: 1128 (33%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

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

Texel Rate

The GeForce GTX 650 Ti is quite a bit (about 46%) more effective at texture filtering than the GeForce GTX 750 Ti. (explain)

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

Pixel Rate

The GeForce GTX 750 Ti will be a bit (about 10%) more effective at anti-aliasing than the GeForce GTX 650 Ti, and should be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 750 Ti 16320 Mpixels/sec
GeForce GTX 650 Ti 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

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

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Model GeForce GTX 650 Ti GeForce GTX 750 Ti
Manufacturer nVidia nVidia
Year October 2012 February 2014
Code Name GK106 GM107
Memory 1024 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 data (counted in megabytes per second) that can be transported over the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This number is calculated 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 card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called 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, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 650 Ti

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 vs GeForce GTX 750 Ti”
George says:

Is the 750Ti's Texture Rate really that much lower than the 650Ti's Texture Rate? If so how is this a improvement? I only see early benchmarks of the 650Ti vs the recent 750Ti benchmarks They need to redo the 650Ti benchmarks to get a more accurate performance comparison, Everyone knows most of the 600 series had problems with early drivers. Any idiot knows higher text = higher FPS

Auris says:

What the hell? you should re do 750ti stats, because they can not be bad as this.

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