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GeForce GT 220 GDDR3 vs Radeon HD 6750

Intro

The GeForce GT 220 GDDR3 has a GPU core speed of 625 MHz, and the 512 MB of GDDR3 RAM is set to run at 1012 MHz through a 128-bit bus. It also is comprised of 48 Stream Processors, 16 Texture Address Units, and 8 ROPs.

Compare all of that to the Radeon HD 6750, which comes with core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 512 MB of GDDR5 RAM. It features 720 SPUs along with 36 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3 58 Watts
Radeon HD 6750 86 Watts
Difference: 28 Watts (48%)

Memory Bandwidth

As far as performance goes, the Radeon HD 6750 should theoretically be quite a bit better than the GeForce GT 220 GDDR3 overall. (explain)

Radeon HD 6750 64000 MB/sec
GeForce GT 220 GDDR3 32384 MB/sec
Difference: 31616 (98%)

Texel Rate

The Radeon HD 6750 is a lot (more or less 161%) better at AF than the GeForce GT 220 GDDR3. (explain)

Radeon HD 6750 26100 Mtexels/sec
GeForce GT 220 GDDR3 10000 Mtexels/sec
Difference: 16100 (161%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon HD 6750 is superior to the GeForce GT 220 GDDR3, by a large margin. (explain)

Radeon HD 6750 11600 Mpixels/sec
GeForce GT 220 GDDR3 5000 Mpixels/sec
Difference: 6600 (132%)

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 220 GDDR3

Amazon.com

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Radeon HD 6750

Amazon.com

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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 220 GDDR3 Radeon HD 6750
Manufacturer nVidia AMD
Year October 2009 January 2011
Code Name GT216 Juniper Pro
Memory 512 MB 512 MB
Core Speed 625 MHz 725 MHz
Memory Speed 2024 MHz 4000 MHz
Power (Max TDP) 58 watts 86 watts
Bandwidth 32384 MB/sec 64000 MB/sec
Texel Rate 10000 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 5000 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 48 720
Texture Mapping Units 16 36
Render Output Units 8 16
Bus Type GDDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 486 million 1040 million
Bus PCIe 2.0 PCIe x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.0

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GT 220 GDDR3

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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