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GeForce GT 220 GDDR3 vs Radeon HD 5670

Intro

The GeForce GT 220 GDDR3 features a core clock frequency of 625 MHz and a GDDR3 memory frequency of 1012 MHz. It also makes use of a 128-bit memory bus, and makes use of a 40 nm design. It features 48 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Compare those specifications to the Radeon HD 5670, which uses a 40 nm design. AMD has clocked the core frequency at 775 MHz. The GDDR5 RAM works at a speed of 1000 MHz on this particular model. It features 400(80x5) SPUs as well as 20 Texture Address Units and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3 58 Watts
Radeon HD 5670 61 Watts
Difference: 3 Watts (5%)

Memory Bandwidth

The Radeon HD 5670, in theory, should perform much faster than the GeForce GT 220 GDDR3 overall. (explain)

Radeon HD 5670 64000 MB/sec
GeForce GT 220 GDDR3 32384 MB/sec
Difference: 31616 (98%)

Texel Rate

The Radeon HD 5670 should be much (approximately 55%) more effective at anisotropic filtering than the GeForce GT 220 GDDR3. (explain)

Radeon HD 5670 15500 Mtexels/sec
GeForce GT 220 GDDR3 10000 Mtexels/sec
Difference: 5500 (55%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 5670 is superior to the GeForce GT 220 GDDR3, by a large margin. (explain)

Radeon HD 5670 6200 Mpixels/sec
GeForce GT 220 GDDR3 5000 Mpixels/sec
Difference: 1200 (24%)

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 5670

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 5670
Manufacturer nVidia AMD
Year October 2009 January 14, 2010
Code Name GT216 Redwood XT
Memory 512 MB 1024 MB
Core Speed 625 MHz 775 MHz
Memory Speed 2024 MHz 4000 MHz
Power (Max TDP) 58 watts 61 watts
Bandwidth 32384 MB/sec 64000 MB/sec
Texel Rate 10000 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 5000 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 48 400(80x5)
Texture Mapping Units 16 20
Render Output Units 8 8
Bus Type GDDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 486 million 627 million
Bus PCIe 2.0 PCIe 2.1 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes 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 of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GT 220 GDDR3

Amazon.com

Check prices at:

Radeon HD 5670

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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