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GeForce GT 220 GDDR3 vs GeForce GTS 150

Intro

The GeForce GT 220 GDDR3 features a clock speed of 625 MHz and a GDDR3 memory speed of 1012 MHz. It also uses a 128-bit bus, and makes use of a 40 nm design. It is made up of 48 SPUs, 16 TAUs, and 8 Raster Operation Units.

Compare those specs to the GeForce GTS 150, which features core 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 TAUs and 16 Rasterization Operator Units.

Display Graphs

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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

Theoretically, the GeForce GT 220 GDDR3 should be a bit faster than 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 should be a lot (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

If running with high levels of AA is important to you, then the GeForce GTS 150 is superior to the GeForce GT 220 GDDR3, by a large margin. (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

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.

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: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This number 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs 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 also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory 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:

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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