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GeForce GT 320 vs GeForce GTX 560 Ti 448

Intro

The GeForce GT 320 comes with a GPU clock speed of 540 MHz, and the 1024 MB of GDDR3 memory is set to run at 790 MHz through a 128-bit bus. It also is comprised of 72 SPUs, 24 TAUs, and 8 ROPs.

Compare those specifications to the GeForce GTX 560 Ti 448, which has GPU core speed of 732 MHz, and 1280 MB of GDDR5 memory running at 900 MHz through a 320-bit bus. It also features 448 Stream Processors, 56 TAUs, and 40 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 320 43 Watts
GeForce GTX 560 Ti 448 210 Watts
Difference: 167 Watts (388%)

Memory Bandwidth

Performance-wise, the GeForce GTX 560 Ti 448 should in theory be much superior to the GeForce GT 320 overall. (explain)

GeForce GTX 560 Ti 448 144000 MB/sec
GeForce GT 320 25280 MB/sec
Difference: 118720 (470%)

Texel Rate

The GeForce GTX 560 Ti 448 will be much (about 216%) more effective at anisotropic filtering than the GeForce GT 320. (explain)

GeForce GTX 560 Ti 448 40992 Mtexels/sec
GeForce GT 320 12960 Mtexels/sec
Difference: 28032 (216%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 560 Ti 448 is the winner, by a large margin. (explain)

GeForce GTX 560 Ti 448 29280 Mpixels/sec
GeForce GT 320 4320 Mpixels/sec
Difference: 24960 (578%)

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 GT 320

Amazon.com

Check prices at:

GeForce GTX 560 Ti 448

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 GT 320 GeForce GTX 560 Ti 448
Manufacturer nVidia nVidia
Year February 2010 December 2011
Code Name GT215 GF110
Memory 1024 MB 1280 MB
Core Speed 540 MHz 732 MHz
Memory Speed 1580 MHz 3600 MHz
Power (Max TDP) 43 watts 210 watts
Bandwidth 25280 MB/sec 144000 MB/sec
Texel Rate 12960 Mtexels/sec 40992 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 29280 Mpixels/sec
Unified Shaders 72 448
Texture Mapping Units 24 56
Render Output Units 8 40
Bus Type GDDR3 GDDR5
Bus Width 128-bit 320-bit
Fab Process 40 nm 40 nm
Transistors 727 million 3000 million
Bus PCIe x16 PCIe 2.0 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.3 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GT 320

Amazon.com

Check prices at:

GeForce GTX 560 Ti 448

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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