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GeForce GTX 460 SE vs Radeon HD 5830

Intro

The GeForce GTX 460 SE uses a 40 nm design. nVidia has clocked the core frequency at 650 MHz. The GDDR5 memory runs at a speed of 850 MHz on this specific model. It features 288 SPUs as well as 48 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon HD 5830, which features a clock frequency of 800 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 256-bit bus, and uses a 40 nm design. It is comprised of 1120(224x5) SPUs, 56 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 SE 150 Watts
Radeon HD 5830 175 Watts
Difference: 25 Watts (17%)

Memory Bandwidth

In theory, the Radeon HD 5830 should perform a bit faster than the GeForce GTX 460 SE overall. (explain)

Radeon HD 5830 128000 MB/sec
GeForce GTX 460 SE 108800 MB/sec
Difference: 19200 (18%)

Texel Rate

The Radeon HD 5830 will be much (about 44%) better at AF than the GeForce GTX 460 SE. (explain)

Radeon HD 5830 44800 Mtexels/sec
GeForce GTX 460 SE 31200 Mtexels/sec
Difference: 13600 (44%)

Pixel Rate

The GeForce GTX 460 SE should be much (about 63%) better at full screen anti-aliasing than the Radeon HD 5830, and should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 460 SE 20800 Mpixels/sec
Radeon HD 5830 12800 Mpixels/sec
Difference: 8000 (63%)

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 SE

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 SE Radeon HD 5830
Manufacturer nVidia AMD
Year November 2010 February 25, 2010
Code Name GF104 Cypress LE
Memory 1024 MB 1024 MB
Core Speed 650 MHz 800 MHz
Memory Speed 3400 MHz 4000 MHz
Power (Max TDP) 150 watts 175 watts
Bandwidth 108800 MB/sec 128000 MB/sec
Texel Rate 31200 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 288 1120(224x5)
Texture Mapping Units 48 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 (measured in megabytes per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, 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 AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total number of texture units by the core 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 that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 460 SE

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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