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GeForce GT 220 GDDR3 vs GeForce GTS 150

Intro

The GeForce GT 220 GDDR3 uses a 40 nm design. nVidia has clocked the core frequency at 625 MHz. The GDDR3 memory is set to run at a speed of 1012 MHz on this specific card. It features 48 SPUs as well as 16 Texture Address Units and 8 Rasterization Operator Units.

Compare those specifications to the GeForce GTS 150, which features clock speeds of 740 MHz on the GPU, and 500 MHz on the 1024 MB of GDDR3 memory. It features 128 SPUs as well as 64 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
GeForce GTS 150 141 Watts
Difference: 83 Watts (143%)

Memory Bandwidth

Performance-wise, the GeForce GT 220 GDDR3 should theoretically be just a bit superior to the GeForce GTS 150 overall. (explain)

GeForce GT 220 GDDR3 32384 MB/sec
GeForce GTS 150 32000 MB/sec
Difference: 384 (1%)

Texel Rate

The GeForce GTS 150 will be much (more or less 374%) better at AF than the GeForce GT 220 GDDR3. (explain)

GeForce GTS 150 47360 Mtexels/sec
GeForce GT 220 GDDR3 10000 Mtexels/sec
Difference: 37360 (374%)

Pixel Rate

The GeForce GTS 150 should be a lot (about 137%) faster with regards to AA than the GeForce GT 220 GDDR3, and should be able to handle higher screen resolutions more effectively. (explain)

GeForce GTS 150 11840 Mpixels/sec
GeForce GT 220 GDDR3 5000 Mpixels/sec
Difference: 6840 (137%)

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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GeForce GTS 150

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 GeForce GTS 150
Manufacturer nVidia nVidia
Year October 2009 March 10, 2009
Code Name GT216 G92b
Memory 512 MB 1024 MB
Core Speed 625 MHz 740 MHz
Memory Speed 2024 MHz 1000 MHz
Power (Max TDP) 58 watts 141 watts
Bandwidth 32384 MB/sec 32000 MB/sec
Texel Rate 10000 Mtexels/sec 47360 Mtexels/sec
Pixel Rate 5000 Mpixels/sec 11840 Mpixels/sec
Unified Shaders 48 128
Texture Mapping Units 16 64
Render Output Units 8 16
Bus Type GDDR3 GDDR3
Bus Width 128-bit 256-bit
Fab Process 40 nm 55 nm
Transistors 486 million 754 million
Bus PCIe 2.0 PCIe x16 2.0
DirectX Version DirectX 10.1 DirectX 10
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 over the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 texture map elements (texels) that are applied in one second. This is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GT 220 GDDR3

Amazon.com

Check prices at:

GeForce GTS 150

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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