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GeForce GTX 460 1GB vs Radeon HD 5830

Intro

The GeForce GTX 460 1GB features a GPU clock speed of 675 MHz, and the 1024 MB of GDDR5 memory runs at 900 MHz through a 256-bit bus. It also features 336 Stream Processors, 56 TAUs, and 32 Raster Operation Units.

Compare all that to the Radeon HD 5830, which features GPU clock speed of 800 MHz, and 1024 MB of GDDR5 memory running at 1000 MHz through a 256-bit bus. It also is comprised of 1120(224x5) SPUs, 56 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 1GB 160 Watts
Radeon HD 5830 175 Watts
Difference: 15 Watts (9%)

Memory Bandwidth

The Radeon HD 5830 should theoretically be a bit faster than the GeForce GTX 460 1GB overall. (explain)

Radeon HD 5830 128000 MB/sec
GeForce GTX 460 1GB 115200 MB/sec
Difference: 12800 (11%)

Texel Rate

The Radeon HD 5830 will be a small bit (more or less 19%) more effective at anisotropic filtering than the GeForce GTX 460 1GB. (explain)

Radeon HD 5830 44800 Mtexels/sec
GeForce GTX 460 1GB 37800 Mtexels/sec
Difference: 7000 (19%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 460 1GB is superior to the Radeon HD 5830, and very much so. (explain)

GeForce GTX 460 1GB 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 1GB

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 1GB Radeon HD 5830
Manufacturer nVidia AMD
Year July 2010 February 25, 2010
Code Name GF104 Cypress LE
Memory 1024 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 largest amount of data (counted in megabytes per second) that can be transferred past the external memory interface in one second. It's worked out by multiplying the bus width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 1GB

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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