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GeForce GTX 460 2GB vs Radeon HD 5830

Intro

The GeForce GTX 460 2GB makes use of a 40 nm design. nVidia has set the core speed at 675 MHz. The GDDR5 RAM runs at a frequency of 900 MHz on this particular card. It features 336 SPUs as well as 56 Texture Address Units and 32 Rasterization Operator Units.

Compare all that to the Radeon HD 5830, which features GPU core speed of 800 MHz, and 1024 MB of GDDR5 memory set to run at 1000 MHz through a 256-bit bus. It also is made up of 1120(224x5) Stream Processors, 56 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 2GB 160 Watts
Radeon HD 5830 175 Watts
Difference: 15 Watts (9%)

Memory Bandwidth

In theory, the Radeon HD 5830 should perform a bit faster than the GeForce GTX 460 2GB in general. (explain)

Radeon HD 5830 128000 MB/sec
GeForce GTX 460 2GB 115200 MB/sec
Difference: 12800 (11%)

Texel Rate

The Radeon HD 5830 will be a little bit (more or less 19%) better at anisotropic filtering than the GeForce GTX 460 2GB. (explain)

Radeon HD 5830 44800 Mtexels/sec
GeForce GTX 460 2GB 37800 Mtexels/sec
Difference: 7000 (19%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 460 2GB is the winner, by a large margin. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
Radeon HD 5830 12800 Mpixels/sec
Difference: 8800 (69%)

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 GTX 460 2GB

Amazon.com

Check prices at:

Radeon HD 5830

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 GTX 460 2GB Radeon HD 5830
Manufacturer nVidia AMD
Year July 2010 February 25, 2010
Code Name GF104 Cypress LE
Memory 2048 MB 1024 MB
Core Speed 675 MHz 800 MHz
Memory Speed 3600 MHz 4000 MHz
Power (Max TDP) 160 watts 175 watts
Bandwidth 115200 MB/sec 128000 MB/sec
Texel Rate 37800 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 336 1120(224x5)
Texture Mapping Units 56 56
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 2154 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2

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

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

Display Prices

Hide Prices

GeForce GTX 460 2GB

Amazon.com

Check prices at:

Radeon HD 5830

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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