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GeForce GT 230 vs GeForce GTS 150

Intro

The GeForce GT 230 features a GPU core speed of 550 MHz, and the 1536 MB of DDR3 memory is set to run at 800 MHz through a 192-bit bus. It also is made up of 32 Stream Processors, 16 Texture Address Units, and 8 Raster Operation Units.

Compare all of that to the GeForce GTS 150, which comes with a clock speed of 740 MHz and a GDDR3 memory frequency of 500 MHz. It also makes use of a 256-bit bus, and makes use of a 55 nm design. It is comprised of 128 SPUs, 64 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230 65 Watts
GeForce GTS 150 141 Watts
Difference: 76 Watts (117%)

Memory Bandwidth

The GeForce GT 230, in theory, should be just a bit faster than the GeForce GTS 150 in general. (explain)

GeForce GT 230 38400 MB/sec
GeForce GTS 150 32000 MB/sec
Difference: 6400 (20%)

Texel Rate

The GeForce GTS 150 should be a lot (approximately 438%) better at texture filtering than the GeForce GT 230. (explain)

GeForce GTS 150 47360 Mtexels/sec
GeForce GT 230 8800 Mtexels/sec
Difference: 38560 (438%)

Pixel Rate

The GeForce GTS 150 is much (about 169%) more effective at FSAA than the GeForce GT 230, and also will be able to handle higher resolutions more effectively. (explain)

GeForce GTS 150 11840 Mpixels/sec
GeForce GT 230 4400 Mpixels/sec
Difference: 7440 (169%)

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 230

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 230 GeForce GTS 150
Manufacturer nVidia nVidia
Year October 2009 March 10, 2009
Code Name GT218 G92b
Memory 1536 MB 1024 MB
Core Speed 550 MHz 740 MHz
Memory Speed 1600 MHz 1000 MHz
Power (Max TDP) 65 watts 141 watts
Bandwidth 38400 MB/sec 32000 MB/sec
Texel Rate 8800 Mtexels/sec 47360 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 11840 Mpixels/sec
Unified Shaders 32 128
Texture Mapping Units 16 64
Render Output Units 8 16
Bus Type DDR3 GDDR3
Bus Width 192-bit 256-bit
Fab Process 40 nm 55 nm
Transistors 260 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 max amount of data (measured in megabytes per second) that can be transferred over the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This is worked out 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GT 230

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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