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GeForce GT 430 vs Radeon HD 4670 512MB

Intro

The GeForce GT 430 makes use of a 40 nm design. nVidia has set the core speed at 700 MHz. The GDDR3 RAM works at a speed of 900 MHz on this particular card. It features 96 SPUs as well as 16 Texture Address Units and 4 ROPs.

Compare those specs to the Radeon HD 4670 512MB, which comes with GPU clock speed of 750 MHz, and 512 MB of GDDR4/GDDR3/DDR3/DDR2 memory running at 1000 MHz through a 128-bit bus. It also is made up of 320(64x5) SPUs, 32 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 60 Watts
Radeon HD 4670 512MB 70 Watts
Difference: 10 Watts (17%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 4670 512MB is 11% faster than the GeForce GT 430 in general, because of its higher bandwidth. (explain)

Radeon HD 4670 512MB 32000 MB/sec
GeForce GT 430 28800 MB/sec
Difference: 3200 (11%)

Texel Rate

The Radeon HD 4670 512MB will be a lot (more or less 114%) better at texture filtering than the GeForce GT 430. (explain)

Radeon HD 4670 512MB 24000 Mtexels/sec
GeForce GT 430 11200 Mtexels/sec
Difference: 12800 (114%)

Pixel Rate

The Radeon HD 4670 512MB will be a lot (about 114%) better at anti-aliasing than the GeForce GT 430, and capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon HD 4670 512MB 6000 Mpixels/sec
GeForce GT 430 2800 Mpixels/sec
Difference: 3200 (114%)

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 430

Amazon.com

Check prices at:

Radeon HD 4670 512MB

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 430 Radeon HD 4670 512MB
Manufacturer nVidia AMD
Year October 2010 Sep 10, 2008
Code Name GF108 RV730 XT
Memory 512 MB 512 MB
Core Speed 700 MHz 750 MHz
Memory Speed 1800 MHz 2000 MHz
Power (Max TDP) 60 watts 70 watts
Bandwidth 28800 MB/sec 32000 MB/sec
Texel Rate 11200 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 6000 Mpixels/sec
Unified Shaders 96 320(64x5)
Texture Mapping Units 16 32
Render Output Units 4 8
Bus Type GDDR3 GDDR4/GDDR3/DDR3/DDR2
Bus Width 128-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 585 million 514 million
Bus PCIe x16 PCIe 2.0 x16, AGP 8x
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, the result 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 high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics 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 number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GT 430

Amazon.com

Check prices at:

Radeon HD 4670 512MB

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.

Comments

One Response to “GeForce GT 430 vs Radeon HD 4670 512MB”
dag says:

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