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GeForce GT 220 GDDR3 vs Radeon HD 4670 1GB

Intro

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

Compare those specifications to the Radeon HD 4670 1GB, which has a core clock frequency of 750 MHz and a GDDR4/GDDR3/DDR3/DDR2 memory frequency of 1100 MHz. It also uses a 128-bit memory bus, and makes use of a 55 nm design. It features 320(64x5) SPUs, 32 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3 58 Watts
Radeon HD 4670 1GB 70 Watts
Difference: 12 Watts (21%)

Memory Bandwidth

Performance-wise, the Radeon HD 4670 1GB should in theory be a little bit better than the GeForce GT 220 GDDR3 in general. (explain)

Radeon HD 4670 1GB 35200 MB/sec
GeForce GT 220 GDDR3 32384 MB/sec
Difference: 2816 (9%)

Texel Rate

The Radeon HD 4670 1GB will be quite a bit (more or less 140%) more effective at texture filtering than the GeForce GT 220 GDDR3. (explain)

Radeon HD 4670 1GB 24000 Mtexels/sec
GeForce GT 220 GDDR3 10000 Mtexels/sec
Difference: 14000 (140%)

Pixel Rate

The Radeon HD 4670 1GB should be a small bit (about 20%) better at AA than the GeForce GT 220 GDDR3, and will be able to handle higher screen resolutions better. (explain)

Radeon HD 4670 1GB 6000 Mpixels/sec
GeForce GT 220 GDDR3 5000 Mpixels/sec
Difference: 1000 (20%)

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

Check prices at:

Radeon HD 4670 1GB

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 220 GDDR3 Radeon HD 4670 1GB
Manufacturer nVidia AMD
Year October 2009 Sep 10, 2008
Code Name GT216 RV730 XT
Memory 512 MB 1024 MB
Core Speed 625 MHz 750 MHz
Memory Speed 2024 MHz 2200 MHz
Power (Max TDP) 58 watts 70 watts
Bandwidth 32384 MB/sec 35200 MB/sec
Texel Rate 10000 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 5000 Mpixels/sec 6000 Mpixels/sec
Unified Shaders 48 320(64x5)
Texture Mapping Units 16 32
Render Output Units 8 8
Bus Type GDDR3 GDDR4/GDDR3/DDR3/DDR2
Bus Width 128-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 486 million 514 million
Bus PCIe 2.0 PCIe 2.0 x16, AGP 8x
DirectX Version DirectX 10.1 DirectX 10.1
OpenGL Version OpenGL 3.2 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's 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 texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the graphics 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 chip could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 220 GDDR3

Amazon.com

Check prices at:

Radeon HD 4670 1GB

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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