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GeForce GT 320 vs GeForce GTX 570

Intro

The GeForce GT 320 makes use of a 40 nm design. nVidia has set the core frequency at 540 MHz. The GDDR3 RAM runs at a speed of 790 MHz on this specific card. It features 72 SPUs as well as 24 Texture Address Units and 8 Rasterization Operator Units.

Compare all of that to the GeForce GTX 570, which has clock speeds of 732 MHz on the GPU, and 950 MHz on the 1280 MB of GDDR5 RAM. It features 480 SPUs as well as 60 TAUs and 40 Rasterization Operator Units.

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

In theory, the GeForce GTX 570 should be quite a bit faster than the GeForce GT 320 overall. (explain)

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

Texel Rate

The GeForce GTX 570 will be quite a bit (approximately 239%) more effective at anisotropic filtering 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 quite a bit (more or less 578%) more effective at AA than the GeForce GT 320, and able to handle 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 largest amount of data (measured in MB per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the clock 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 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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