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GeForce 8800 GT 256MB vs GeForce GT 230

Intro

The GeForce 8800 GT 256MB makes use of a 65 nm design. nVidia has set the core frequency at 600 MHz. The GDDR3 RAM works at a speed of 700 MHz on this specific card. It features 112 SPUs along with 56 Texture Address Units and 16 ROPs.

Compare those specs to the GeForce GT 230, which comes with clock speeds of 550 MHz on the GPU, and 800 MHz on the 1536 MB of DDR3 memory. It features 32 SPUs as well as 16 TAUs and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230 65 Watts
GeForce 8800 GT 256MB 105 Watts
Difference: 40 Watts (62%)

Memory Bandwidth

Theoretically, the GeForce 8800 GT 256MB should be a small bit faster than the GeForce GT 230 in general. (explain)

GeForce 8800 GT 256MB 44800 MB/sec
GeForce GT 230 38400 MB/sec
Difference: 6400 (17%)

Texel Rate

The GeForce 8800 GT 256MB is quite a bit (about 282%) more effective at AF than the GeForce GT 230. (explain)

GeForce 8800 GT 256MB 33600 Mtexels/sec
GeForce GT 230 8800 Mtexels/sec
Difference: 24800 (282%)

Pixel Rate

The GeForce 8800 GT 256MB is much (approximately 118%) faster with regards to full screen anti-aliasing than the GeForce GT 230, and capable of handling higher screen resolutions while still performing well. (explain)

GeForce 8800 GT 256MB 9600 Mpixels/sec
GeForce GT 230 4400 Mpixels/sec
Difference: 5200 (118%)

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 8800 GT 256MB

Amazon.com

Check prices at:

GeForce GT 230

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 8800 GT 256MB GeForce GT 230
Manufacturer nVidia nVidia
Year Dec 2007 October 2009
Code Name G92 GT218
Memory 256 MB 1536 MB
Core Speed 600 MHz 550 MHz
Memory Speed 1400 MHz 1600 MHz
Power (Max TDP) 105 watts 65 watts
Bandwidth 44800 MB/sec 38400 MB/sec
Texel Rate 33600 Mtexels/sec 8800 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 112 32
Texture Mapping Units 56 16
Render Output Units 16 8
Bus Type GDDR3 DDR3
Bus Width 256-bit 192-bit
Fab Process 65 nm 40 nm
Transistors 754 million 260 million
Bus PCIe x16 2.0 PCIe 2.0
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total number of texture units of the card by the core clock 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units 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 fill rate is also dependant on quite a few other factors, most notably 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 8800 GT 256MB

Amazon.com

Check prices at:

GeForce GT 230

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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