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GeForce GTX 460 1GB vs Radeon HD 5830

Intro

The GeForce GTX 460 1GB features clock speeds of 675 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 memory. It features 336 SPUs along with 56 Texture Address Units and 32 ROPs.

Compare all of that to the Radeon HD 5830, which has a core clock frequency of 800 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 256-bit memory bus, and uses a 40 nm design. It features 1120(224x5) SPUs, 56 TAUs, and 16 Raster Operation Units.

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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 just 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 is a little bit (more or less 19%) more effective at AF 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

The GeForce GTX 460 1GB will be a lot (more or less 69%) more effective at FSAA than the Radeon HD 5830, and also able to handle higher resolutions while still performing well. (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: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be moved across the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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