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GeForce GT 230 vs GeForce GT 450 (OEM)

Intro

The GeForce GT 230 features a core clock speed of 550 MHz and a DDR3 memory speed of 800 MHz. It also uses a 192-bit bus, and uses a 40 nm design. It is made up of 32 SPUs, 16 TAUs, and 8 Raster Operation Units.

Compare that to the GeForce GT 450 (OEM), which features core clock speeds of 790 MHz on the GPU, and 1000 MHz on the 1536 MB of GDDR5 memory. It features 144 SPUs as well as 24 TAUs and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230 65 Watts
GeForce GT 450 (OEM) 106 Watts
Difference: 41 Watts (63%)

Memory Bandwidth

In theory, the GeForce GT 450 (OEM) should perform a lot faster than the GeForce GT 230 in general. (explain)

GeForce GT 450 (OEM) 96000 MB/sec
GeForce GT 230 38400 MB/sec
Difference: 57600 (150%)

Texel Rate

The GeForce GT 450 (OEM) will be quite a bit (more or less 115%) better at anisotropic filtering than the GeForce GT 230. (explain)

GeForce GT 450 (OEM) 18960 Mtexels/sec
GeForce GT 230 8800 Mtexels/sec
Difference: 10160 (115%)

Pixel Rate

The GeForce GT 450 (OEM) is a lot (approximately 331%) better at full screen anti-aliasing than the GeForce GT 230, and also will be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GT 450 (OEM) 18960 Mpixels/sec
GeForce GT 230 4400 Mpixels/sec
Difference: 14560 (331%)

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 GT 450 (OEM)

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 GT 450 (OEM)
Manufacturer nVidia nVidia
Year October 2009 October 2010
Code Name GT218 GF106
Memory 1536 MB 1536 MB
Core Speed 550 MHz 790 MHz
Memory Speed 1600 MHz 4000 MHz
Power (Max TDP) 65 watts 106 watts
Bandwidth 38400 MB/sec 96000 MB/sec
Texel Rate 8800 Mtexels/sec 18960 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 18960 Mpixels/sec
Unified Shaders 32 144
Texture Mapping Units 16 24
Render Output Units 8 24
Bus Type DDR3 GDDR5
Bus Width 192-bit 192-bit
Fab Process 40 nm 40 nm
Transistors 260 million 1170 million
Bus PCIe 2.0 PCIe x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory speed. If the card has 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 high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially 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

Hide Prices

GeForce GT 230

Amazon.com

Check prices at:

GeForce GT 450 (OEM)

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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