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GeForce GTX 470 vs Radeon HD 5830

Intro

The GeForce GTX 470 features a GPU core clock speed of 607 MHz, and the 1280 MB of GDDR5 memory is set to run at 837 MHz through a 320-bit bus. It also features 448 SPUs, 56 TAUs, and 40 Raster Operation Units.

Compare those specifications to the Radeon HD 5830, which makes use of a 40 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 memory is set to run at a speed of 1000 MHz on this particular card. It features 1120(224x5) SPUs along with 56 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5830 175 Watts
GeForce GTX 470 215 Watts
Difference: 40 Watts (23%)

Memory Bandwidth

In theory, the GeForce GTX 470 should perform a bit faster than the Radeon HD 5830 overall. (explain)

GeForce GTX 470 133920 MB/sec
Radeon HD 5830 128000 MB/sec
Difference: 5920 (5%)

Texel Rate

The Radeon HD 5830 is much (approximately 32%) better at AF than the GeForce GTX 470. (explain)

Radeon HD 5830 44800 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 10808 (32%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 470 is a better choice, by a large margin. (explain)

GeForce GTX 470 24280 Mpixels/sec
Radeon HD 5830 12800 Mpixels/sec
Difference: 11480 (90%)

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 470

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 470 Radeon HD 5830
Manufacturer nVidia AMD
Year March 2010 February 25, 2010
Code Name GF100 Cypress LE
Memory 1280 MB 1024 MB
Core Speed 607 MHz 800 MHz
Memory Speed 3348 MHz 4000 MHz
Power (Max TDP) 215 watts 175 watts
Bandwidth 133920 MB/sec 128000 MB/sec
Texel Rate 33992 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 24280 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 448 1120(224x5)
Texture Mapping Units 56 56
Render Output Units 40 16
Bus Type GDDR5 GDDR5
Bus Width 320-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 3000 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 largest amount of information (measured in MB per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one 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. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 470

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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