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GeForce GT 430 1GB vs Radeon HD 5770

Intro

The GeForce GT 430 1GB has core speeds of 700 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR3 memory. It features 96 SPUs as well as 16 TAUs and 4 Rasterization Operator Units.

Compare all of that to the Radeon HD 5770, which comes with a GPU core clock speed of 850 MHz, and 1024 MB of GDDR5 RAM running at 1200 MHz through a 128-bit bus. It also is made up of 800(160x5) SPUs, 40 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 1GB 60 Watts
Radeon HD 5770 108 Watts
Difference: 48 Watts (80%)

Memory Bandwidth

As far as performance goes, the Radeon HD 5770 should theoretically be much better than the GeForce GT 430 1GB overall. (explain)

Radeon HD 5770 76800 MB/sec
GeForce GT 430 1GB 28800 MB/sec
Difference: 48000 (167%)

Texel Rate

The Radeon HD 5770 should be quite a bit (about 204%) faster with regards to anisotropic filtering than the GeForce GT 430 1GB. (explain)

Radeon HD 5770 34000 Mtexels/sec
GeForce GT 430 1GB 11200 Mtexels/sec
Difference: 22800 (204%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 5770 is the winner, and very much so. (explain)

Radeon HD 5770 13600 Mpixels/sec
GeForce GT 430 1GB 2800 Mpixels/sec
Difference: 10800 (386%)

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 1GB

Amazon.com

Check prices at:

Radeon HD 5770

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 1GB Radeon HD 5770
Manufacturer nVidia AMD
Year October 2010 October 13, 2009
Code Name GF108 Juniper XT
Memory 1024 MB 1024 MB
Core Speed 700 MHz 850 MHz
Memory Speed 1800 MHz 4800 MHz
Power (Max TDP) 60 watts 108 watts
Bandwidth 28800 MB/sec 76800 MB/sec
Texel Rate 11200 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 96 800(160x5)
Texture Mapping Units 16 40
Render Output Units 4 16
Bus Type GDDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 585 million 1040 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in megabytes per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at handling 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 the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GT 430 1GB

Amazon.com

Check prices at:

Radeon HD 5770

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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