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

Intro

The GeForce 8600 GT 256MB GDDR3 comes with a clock speed of 540 MHz and a GDDR3 memory speed of 700 MHz. It also features a 128-bit memory bus, and uses a 80 nm design. It is made up of 32 SPUs, 16 TAUs, and 8 Raster Operation Units.

Compare those specifications to the GeForce GT 430 1GB, which uses a 40 nm design. nVidia has set the core speed at 700 MHz. The GDDR3 memory works at a speed of 900 MHz on this model. It features 96 SPUs as well as 16 Texture Address Units 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

In theory, the GeForce GT 430 1GB is 29% quicker than the GeForce 8600 GT 256MB GDDR3 in general, due to its higher data rate. (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 will be quite a bit (more or less 30%) faster with regards to anisotropic filtering 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 running with lots of anti-aliasing is important to you, then the GeForce 8600 GT 256MB GDDR3 is superior to the GeForce GT 430 1GB, 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

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GeForce 8600 GT 256MB GDDR3

Amazon.com

GeForce GT 430 1GB

Amazon.com

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 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: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher 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 processed per second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per 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. Pixel rate is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

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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