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GeForce GT 220 GDDR3 vs Radeon HD 4670 512MB

Intro

The GeForce GT 220 GDDR3 comes with clock speeds of 625 MHz on the GPU, and 1012 MHz on the 512 MB of GDDR3 memory. It features 48 SPUs along with 16 TAUs and 8 Rasterization Operator Units.

Compare all of that to the Radeon HD 4670 512MB, which has GPU clock speed of 750 MHz, and 512 MB of GDDR4/GDDR3/DDR3/DDR2 RAM running at 1000 MHz through a 128-bit bus. It also features 320(64x5) Stream Processors, 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 512MB 70 Watts
Difference: 12 Watts (21%)

Memory Bandwidth

Performance-wise, the GeForce GT 220 GDDR3 should in theory be a little bit superior to the Radeon HD 4670 512MB in general. (explain)

GeForce GT 220 GDDR3 32384 MB/sec
Radeon HD 4670 512MB 32000 MB/sec
Difference: 384 (1%)

Texel Rate

The Radeon HD 4670 512MB should be quite a bit (approximately 140%) better at AF than the GeForce GT 220 GDDR3. (explain)

Radeon HD 4670 512MB 24000 Mtexels/sec
GeForce GT 220 GDDR3 10000 Mtexels/sec
Difference: 14000 (140%)

Pixel Rate

The Radeon HD 4670 512MB should be a bit (approximately 20%) faster with regards to full screen anti-aliasing than the GeForce GT 220 GDDR3, and also will be able to handle higher screen resolutions more effectively. (explain)

Radeon HD 4670 512MB 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 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

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Model GeForce GT 220 GDDR3 Radeon HD 4670 512MB
Manufacturer nVidia AMD
Year October 2009 Sep 10, 2008
Code Name GT216 RV730 XT
Memory 512 MB 512 MB
Core Speed 625 MHz 750 MHz
Memory Speed 2024 MHz 2000 MHz
Power (Max TDP) 58 watts 70 watts
Bandwidth 32384 MB/sec 32000 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 largest amount of data (in units of MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

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

Display Prices

Hide Prices

GeForce GT 220 GDDR3

Amazon.com

Check prices at:

Radeon HD 4670 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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