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GeForce GT 320 vs Radeon HD 5750 512MB

Intro

The GeForce GT 320 comes with a GPU clock speed of 540 MHz, and the 1024 MB of GDDR3 memory runs at 790 MHz through a 128-bit bus. It also features 72 SPUs, 24 Texture Address Units, and 8 ROPs.

Compare those specs to the Radeon HD 5750 512MB, which comes with GPU core speed of 700 MHz, and 512 MB of GDDR5 memory set to run at 1150 MHz through a 128-bit bus. It also is comprised of 720(144x5) Stream Processors, 36 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 320 43 Watts
Radeon HD 5750 512MB 86 Watts
Difference: 43 Watts (100%)

Memory Bandwidth

Performance-wise, the Radeon HD 5750 512MB should theoretically be quite a bit superior to the GeForce GT 320 overall. (explain)

Radeon HD 5750 512MB 73600 MB/sec
GeForce GT 320 25280 MB/sec
Difference: 48320 (191%)

Texel Rate

The Radeon HD 5750 512MB will be quite a bit (about 94%) faster with regards to AF than the GeForce GT 320. (explain)

Radeon HD 5750 512MB 25200 Mtexels/sec
GeForce GT 320 12960 Mtexels/sec
Difference: 12240 (94%)

Pixel Rate

The Radeon HD 5750 512MB will be quite a bit (more or less 159%) more effective at AA than the GeForce GT 320, and capable of handling higher screen resolutions while still performing well. (explain)

Radeon HD 5750 512MB 11200 Mpixels/sec
GeForce GT 320 4320 Mpixels/sec
Difference: 6880 (159%)

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 5750 512MB

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

Display Specifications

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Model GeForce GT 320 Radeon HD 5750 512MB
Manufacturer nVidia AMD
Year February 2010 October 13, 2009
Code Name GT215 Juniper LE
Memory 1024 MB 512 MB
Core Speed 540 MHz 700 MHz
Memory Speed 1580 MHz 4600 MHz
Power (Max TDP) 43 watts 86 watts
Bandwidth 25280 MB/sec 73600 MB/sec
Texel Rate 12960 Mtexels/sec 25200 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 11200 Mpixels/sec
Unified Shaders 72 720(144x5)
Texture Mapping Units 24 36
Render Output Units 8 16
Bus Type GDDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 727 million 1040 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 max amount of data (measured in MB per second) that can be transported past the external memory interface within a second. It is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GT 320

Amazon.com

Check prices at:

Radeon HD 5750 512MB

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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