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GeForce GTX 650 Ti vs Radeon HD 5750 1GB

Intro

The GeForce GTX 650 Ti comes with a GPU core speed of 928 MHz, and the 1024 MB of GDDR5 RAM runs at 1350 MHz through a 128-bit bus. It also is comprised of 768 Stream Processors, 64 TAUs, and 16 ROPs.

Compare those specs to the Radeon HD 5750 1GB, which uses a 40 nm design. AMD has set the core frequency at 700 MHz. The GDDR5 memory is set to run at a speed of 1150 MHz on this specific card. It features 720(144x5) SPUs along with 36 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 1GB		86 Watts
GeForce GTX 650 Ti		110 Watts
	Difference: 24 Watts (28%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 Ti will be 17% quicker than the Radeon HD 5750 1GB overall, due to its greater bandwidth. (explain)

GeForce GTX 650 Ti		86400 MB/sec
Radeon HD 5750 1GB		73600 MB/sec
	Difference: 12800 (17%)

Texel Rate

The GeForce GTX 650 Ti will be quite a bit (more or less 136%) better at texture filtering than the Radeon HD 5750 1GB. (explain)

GeForce GTX 650 Ti		59392 Mtexels/sec
Radeon HD 5750 1GB		25200 Mtexels/sec
	Difference: 34192 (136%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 650 Ti is the winner, by a large margin. (explain)

GeForce GTX 650 Ti		14848 Mpixels/sec
Radeon HD 5750 1GB		11200 Mpixels/sec
	Difference: 3648 (33%)

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

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Radeon HD 5750 1GB

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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	Radeon HD 5750 1GB
Manufacturer	nVidia	AMD
Year	October 2012	October 13, 2009
Code Name	GK106	Juniper LE
Memory	1024 MB	1024 MB
Core Speed	928 MHz	700 MHz
Memory Speed	5400 MHz	4600 MHz
Power (Max TDP)	110 watts	86 watts
Bandwidth	86400 MB/sec	73600 MB/sec
Texel Rate	59392 Mtexels/sec	25200 Mtexels/sec
Pixel Rate	14848 Mpixels/sec	11200 Mpixels/sec
Unified Shaders	768	720(144x5)
Texture Mapping Units	64	36
Render Output Units	16	16
Bus Type	GDDR5	GDDR5
Bus Width	128-bit	128-bit
Fab Process	28 nm	40 nm
Transistors	2540 million	1040 million
Bus	PCIe 3.0 x16	PCIe 2.1 x16
DirectX Version	DirectX 11.0	DirectX 11
OpenGL Version	OpenGL 4.3	OpenGL 3.2

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be transported over the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can 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 card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

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