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GeForce GT 320 vs Radeon HD 5750 512MB

Intro

The GeForce GT 320 makes use of a 40 nm design. nVidia has clocked the core frequency at 540 MHz. The GDDR3 RAM works at a frequency of 790 MHz on this specific model. It features 72 SPUs along with 24 Texture Address Units and 8 ROPs.

Compare all that to the Radeon HD 5750 512MB, which features a clock speed of 700 MHz and a GDDR5 memory speed of 1150 MHz. It also uses a 128-bit memory bus, and uses a 40 nm design. It is comprised of 720(144x5) SPUs, 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

The Radeon HD 5750 512MB should in theory be much faster than the GeForce GT 320 in general. (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 much (more or less 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 is a lot (more or less 159%) more effective at full screen anti-aliasing than the GeForce GT 320, and also able to handle higher 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

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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: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transported past the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 number of texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum 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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