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GeForce 8600 GT 256MB GDDR3 vs GeForce GT 430 1GB


Intro

The GeForce 8600 GT 256MB GDDR3 comes with a GPU clock speed of 540 MHz, and the 256 MB of GDDR3 RAM runs at 700 MHz through a 128-bit bus. It also is made up of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare those specs to the GeForce GT 430 1GB, which features a core clock speed of 700 MHz and a GDDR3 memory frequency of 900 MHz. It also makes use of a 128-bit bus, and uses a 40 nm design. It features 96 SPUs, 16 TAUs, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 256MB GDDR3 47 Watts
GeForce GT 430 1GB 60 Watts
Difference: 13 Watts (28%)

Memory Bandwidth

Theoretically, the GeForce GT 430 1GB should be quite a bit faster than the GeForce 8600 GT 256MB GDDR3 in general. (explain)

GeForce GT 430 1GB 28800 MB/sec
GeForce 8600 GT 256MB GDDR3 22400 MB/sec
Difference: 6400 (29%)

Texel Rate

The GeForce GT 430 1GB should be a lot (about 30%) more effective at AF than the GeForce 8600 GT 256MB GDDR3. (explain)

GeForce GT 430 1GB 11200 Mtexels/sec
GeForce 8600 GT 256MB GDDR3 8640 Mtexels/sec
Difference: 2560 (30%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce 8600 GT 256MB GDDR3 is the winner, and very much so. (explain)

GeForce 8600 GT 256MB GDDR3 4320 Mpixels/sec
GeForce GT 430 1GB 2800 Mpixels/sec
Difference: 1520 (54%)

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

GeForce 8600 GT 256MB GDDR3

GeForce GT 430 1GB

Specifications

Display Specifications

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Model GeForce 8600 GT 256MB GDDR3 GeForce GT 430 1GB
Manufacturer nVidia nVidia
Year April 2007 October 2010
Code Name G84 GF108
Memory 256 MB 1024 MB
Core Speed 540 MHz 700 MHz
Memory Speed 1400 MHz 1800 MHz
Power (Max TDP) 47 watts 60 watts
Bandwidth 22400 MB/sec 28800 MB/sec
Texel Rate 8640 Mtexels/sec 11200 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 2800 Mpixels/sec
Unified Shaders 32 96
Texture Mapping Units 16 16
Render Output Units 8 4
Bus Type GDDR3 GDDR3
Bus Width 128-bit 128-bit
Fab Process 80 nm 40 nm
Transistors 289 million 585 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the video 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 most pixels the video card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

GeForce 8600 GT 256MB GDDR3

GeForce GT 430 1GB

Comments

One Response to “GeForce 8600 GT 256MB GDDR3 vs GeForce GT 430 1GB”
******** فروش کارت گرافیک NVIDIA GE Force 8600 GT XFX یک سال کارکرده********* - صفحه 2 says:

[...] gt 430 قدرتی معادل gt 520 داره بنابراین اینو داشته باشید!!!!! GeForce 8600 GT 256MB GDDR3 vs GeForce GT 430 1GB – Performance Comparison Benchmarks @ Hardwa... پاسخ با نقل [...]

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