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GeForce 9500 GT DDR2 vs GeForce GT 220 GDDR3


Intro

The GeForce 9500 GT DDR2 uses a 65 nm design. nVidia has set the core frequency at 550 MHz. The DDR2 memory runs at a frequency of 500 MHz on this particular model. It features 32 SPUs along with 16 TAUs and 8 Rasterization Operator Units.

Compare those specifications to the GeForce GT 220 GDDR3, which comes with a clock speed of 625 MHz and a GDDR3 memory speed of 1012 MHz. It also features a 128-bit memory bus, and makes use of a 40 nm design. It is comprised of 48 SPUs, 16 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT DDR2 50 Watts
GeForce GT 220 GDDR3 58 Watts
Difference: 8 Watts (16%)

Memory Bandwidth

As far as performance goes, the GeForce GT 220 GDDR3 should theoretically be much better than the GeForce 9500 GT DDR2 in general. (explain)

GeForce GT 220 GDDR3 32384 MB/sec
GeForce 9500 GT DDR2 16000 MB/sec
Difference: 16384 (102%)

Texel Rate

The GeForce GT 220 GDDR3 is just a bit (more or less 14%) better at texture filtering than the GeForce 9500 GT DDR2. (explain)

GeForce GT 220 GDDR3 10000 Mtexels/sec
GeForce 9500 GT DDR2 8800 Mtexels/sec
Difference: 1200 (14%)

Pixel Rate

The GeForce GT 220 GDDR3 is a bit (about 14%) faster with regards to AA than the GeForce 9500 GT DDR2, and will be capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GT 220 GDDR3 5000 Mpixels/sec
GeForce 9500 GT DDR2 4400 Mpixels/sec
Difference: 600 (14%)

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 9500 GT DDR2

Amazon.com

GeForce GT 220 GDDR3

Amazon.com

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 9500 GT DDR2 GeForce GT 220 GDDR3
Manufacturer nVidia nVidia
Year July 2008 October 2009
Code Name G96a GT216
Memory 256 MB 512 MB
Core Speed 550 MHz 625 MHz
Memory Speed 1000 MHz 2024 MHz
Power (Max TDP) 50 watts 58 watts
Bandwidth 16000 MB/sec 32384 MB/sec
Texel Rate 8800 Mtexels/sec 10000 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 5000 Mpixels/sec
Unified Shaders 32 48
Texture Mapping Units 16 16
Render Output Units 8 8
Bus Type DDR2 GDDR3
Bus Width 128-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 314 million 486 million
Bus PCIe x16 2.0, PCI PCIe 2.0
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transported across the external memory interface within a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 9500 GT DDR2

Amazon.com

GeForce GT 220 GDDR3

Amazon.com

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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