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GeForce GT 320 vs GeForce GTX 570

Intro

The GeForce GT 320 features 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 made up of 72 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

Compare those specifications to the GeForce GTX 570, which features a GPU core clock speed of 732 MHz, and 1280 MB of GDDR5 memory set to run at 950 MHz through a 320-bit bus. It also is made up of 480 SPUs, 60 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 570 219 Watts
Difference: 176 Watts (409%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 570 should in theory be much superior to the GeForce GT 320 in general. (explain)

GeForce GTX 570 152000 MB/sec
GeForce GT 320 25280 MB/sec
Difference: 126720 (501%)

Texel Rate

The GeForce GTX 570 will be a lot (approximately 239%) better at AF than the GeForce GT 320. (explain)

GeForce GTX 570 43920 Mtexels/sec
GeForce GT 320 12960 Mtexels/sec
Difference: 30960 (239%)

Pixel Rate

The GeForce GTX 570 is a lot (more or less 578%) faster with regards to AA than the GeForce GT 320, and should be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 570 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 570

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 570
Manufacturer nVidia nVidia
Year February 2010 December 2010
Code Name GT215 GF110
Memory 1024 MB 1280 MB
Core Speed 540 MHz 732 MHz
Memory Speed 1580 MHz 3800 MHz
Power (Max TDP) 43 watts 219 watts
Bandwidth 25280 MB/sec 152000 MB/sec
Texel Rate 12960 Mtexels/sec 43920 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 29280 Mpixels/sec
Unified Shaders 72 480
Texture Mapping Units 24 60
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 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.3 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be transferred over the external memory interface within a second. It's calculated by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GT 320

Amazon.com

Check prices at:

GeForce GTX 570

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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