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GeForce GT 320 vs Radeon HD 6750

Intro

The GeForce GT 320 features a GPU clock speed of 540 MHz, and the 1024 MB of GDDR3 RAM runs at 790 MHz through a 128-bit bus. It also is comprised of 72 SPUs, 24 TAUs, and 8 Raster Operation Units.

Compare all that to the Radeon HD 6750, which features core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 512 MB of GDDR5 memory. It features 720 SPUs along with 36 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 320 43 Watts
Radeon HD 6750 86 Watts
Difference: 43 Watts (100%)

Memory Bandwidth

The Radeon HD 6750 should in theory be a lot faster than the GeForce GT 320 in general. (explain)

Radeon HD 6750 64000 MB/sec
GeForce GT 320 25280 MB/sec
Difference: 38720 (153%)

Texel Rate

The Radeon HD 6750 should be much (more or less 101%) more effective at anisotropic filtering than the GeForce GT 320. (explain)

Radeon HD 6750 26100 Mtexels/sec
GeForce GT 320 12960 Mtexels/sec
Difference: 13140 (101%)

Pixel Rate

The Radeon HD 6750 should be much (more or less 169%) more effective at FSAA than the GeForce GT 320, and also capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon HD 6750 11600 Mpixels/sec
GeForce GT 320 4320 Mpixels/sec
Difference: 7280 (169%)

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 6750

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 6750
Manufacturer nVidia AMD
Year February 2010 January 2011
Code Name GT215 Juniper Pro
Memory 1024 MB 512 MB
Core Speed 540 MHz 725 MHz
Memory Speed 1580 MHz 4000 MHz
Power (Max TDP) 43 watts 86 watts
Bandwidth 25280 MB/sec 64000 MB/sec
Texel Rate 12960 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 72 720
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 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.3 OpenGL 4.0

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred across the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the 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 can be applied in one second. This figure is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the card will be at 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 video card can 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 colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called 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 potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 320

Amazon.com

Check prices at:

Radeon HD 6750

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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