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GeForce GT 320 vs Radeon HD 5570

Intro

The GeForce GT 320 has a core clock frequency of 540 MHz and a GDDR3 memory speed of 790 MHz. It also uses a 128-bit bus, and uses a 40 nm design. It features 72 SPUs, 24 TAUs, and 8 Raster Operation Units.

Compare all that to the Radeon HD 5570, which comes with a clock speed of 650 MHz and a DDR3 memory speed of 900 MHz. It also uses a 128-bit bus, and uses a 40 nm design. It is made up of 400(80x5) SPUs, 20 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The Radeon HD 5570, in theory, should perform just a bit faster than the GeForce GT 320 overall. (explain)

Radeon HD 5570 28800 MB/sec
GeForce GT 320 25280 MB/sec
Difference: 3520 (14%)

Texel Rate

The Radeon HD 5570 will be just a bit (approximately 0%) better at anisotropic filtering than the GeForce GT 320. (explain)

Radeon HD 5570 13000 Mtexels/sec
GeForce GT 320 12960 Mtexels/sec
Difference: 40 (0%)

Pixel Rate

The Radeon HD 5570 will be a small bit (about 20%) faster with regards to AA than the GeForce GT 320, and also will be capable of handling higher resolutions without losing too much performance. (explain)

Radeon HD 5570 5200 Mpixels/sec
GeForce GT 320 4320 Mpixels/sec
Difference: 880 (20%)

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:

Radeon HD 5570

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 Radeon HD 5570
Manufacturer nVidia AMD
Year February 2010 February 9, 2010
Code Name GT215 Redwood PRO
Memory 1024 MB 512 MB
Core Speed 540 MHz 650 MHz
Memory Speed 1580 MHz 1800 MHz
Power (Max TDP) 43 watts 43 watts
Bandwidth 25280 MB/sec 28800 MB/sec
Texel Rate 12960 Mtexels/sec 13000 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 72 400(80x5)
Texture Mapping Units 24 20
Render Output Units 8 8
Bus Type GDDR3 DDR3
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 727 million 627 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.3 OpenGL 3.2

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be moved across the external memory interface in one second. The number is worked out by multiplying the bus width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 processed in one second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher 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 maximum amount of pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GT 320

Amazon.com

Check prices at:

Radeon HD 5570

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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