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GeForce GT 230 vs GeForce GTS 150

Intro

The GeForce GT 230 has a clock frequency of 550 MHz and a DDR3 memory speed of 800 MHz. It also uses a 192-bit memory bus, and makes use of a 40 nm design. It is comprised of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare all of that to the GeForce GTS 150, which features a GPU core clock speed of 740 MHz, and 1024 MB of GDDR3 RAM running at 500 MHz through a 256-bit bus. It also is made up of 128 SPUs, 64 TAUs, 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 perform a small bit faster than the GeForce GTS 150 overall. (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%) more effective at anisotropic 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 quite a bit (about 169%) better at FSAA than the GeForce GT 230, and also should be capable of handling higher screen resolutions better. (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: Bandwidth is the maximum amount of data (counted in MB per second) that can be transported over the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics 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 Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output 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 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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