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GeForce GT 430 (OEM) vs Radeon HD 3870 1GB

Intro

The GeForce GT 430 (OEM) has a core clock frequency 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 is made up of 96 SPUs, 16 Texture Address Units, and 4 ROPs.

Compare those specifications to the Radeon HD 3870 1GB, which comes with a core clock frequency of 775 MHz and a GDDR4 memory speed of 1125 MHz. It also features a 256-bit memory bus, and makes use of a 55 nm design. It is made up of 320(64x5) SPUs, 16 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 (OEM) 60 Watts
Radeon HD 3870 1GB 106 Watts
Difference: 46 Watts (77%)

Memory Bandwidth

The Radeon HD 3870 1GB should theoretically be quite a bit faster than the GeForce GT 430 (OEM) overall. (explain)

Radeon HD 3870 1GB 72000 MB/sec
GeForce GT 430 (OEM) 28800 MB/sec
Difference: 43200 (150%)

Texel Rate

The Radeon HD 3870 1GB is just a bit (more or less 11%) better at anisotropic filtering than the GeForce GT 430 (OEM). (explain)

Radeon HD 3870 1GB 12400 Mtexels/sec
GeForce GT 430 (OEM) 11200 Mtexels/sec
Difference: 1200 (11%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 3870 1GB is superior to the GeForce GT 430 (OEM), by a large margin. (explain)

Radeon HD 3870 1GB 12400 Mpixels/sec
GeForce GT 430 (OEM) 2800 Mpixels/sec
Difference: 9600 (343%)

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 (OEM)

Amazon.com

Check prices at:

Radeon HD 3870 1GB

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 (OEM) Radeon HD 3870 1GB
Manufacturer nVidia AMD
Year October 2010 Nov 19, 2007
Code Name GF108 RV670 XT
Memory 2048 MB 1024 MB
Core Speed 700 MHz 775 MHz
Memory Speed 1800 MHz 2250 MHz
Power (Max TDP) 60 watts 106 watts
Bandwidth 28800 MB/sec 72000 MB/sec
Texel Rate 11200 Mtexels/sec 12400 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 12400 Mpixels/sec
Unified Shaders 96 320(64x5)
Texture Mapping Units 16 16
Render Output Units 4 16
Bus Type GDDR3 GDDR4
Bus Width 128-bit 256-bit
Fab Process 40 nm 55 nm
Transistors 585 million (Unknown) 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 data (in units of megabytes per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GT 430 (OEM)

Amazon.com

Check prices at:

Radeon HD 3870 1GB

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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