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GeForce GTX 470 vs Radeon HD 5850

Intro

The GeForce GTX 470 has clock speeds of 607 MHz on the GPU, and 837 MHz on the 1280 MB of GDDR5 memory. It features 448 SPUs as well as 56 Texture Address Units and 40 ROPs.

Compare all of that to the Radeon HD 5850, which features core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 1440(288x5) SPUs as well as 72 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5850 151 Watts
GeForce GTX 470 215 Watts
Difference: 64 Watts (42%)

Memory Bandwidth

In theory, the GeForce GTX 470 should be just a bit faster than the Radeon HD 5850 in general. (explain)

GeForce GTX 470 133920 MB/sec
Radeon HD 5850 128000 MB/sec
Difference: 5920 (5%)

Texel Rate

The Radeon HD 5850 should be a lot (approximately 54%) better at AF than the GeForce GTX 470. (explain)

Radeon HD 5850 52200 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 18208 (54%)

Pixel Rate

The GeForce GTX 470 will be a bit (about 5%) better at full screen anti-aliasing than the Radeon HD 5850, and will be capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 470 24280 Mpixels/sec
Radeon HD 5850 23200 Mpixels/sec
Difference: 1080 (5%)

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 5850

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 5850
Manufacturer nVidia AMD
Year March 2010 September 30, 2009
Code Name GF100 Cypress PRO
Memory 1280 MB 1024 MB
Core Speed 607 MHz 725 MHz
Memory Speed 3348 MHz 4000 MHz
Power (Max TDP) 215 watts 151 watts
Bandwidth 133920 MB/sec 128000 MB/sec
Texel Rate 33992 Mtexels/sec 52200 Mtexels/sec
Pixel Rate 24280 Mpixels/sec 23200 Mpixels/sec
Unified Shaders 448 1440(288x5)
Texture Mapping Units 56 72
Render Output Units 40 32
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 maximum amount of data (measured in megabytes per second) that can be moved across the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster 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 are applied in one second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed 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 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 filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 470

Amazon.com

Check prices at:

Radeon HD 5850

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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