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GeForce GTX 470 vs Radeon HD 6970

Intro

The GeForce GTX 470 features a clock frequency of 607 MHz and a GDDR5 memory frequency of 837 MHz. It also uses a 320-bit memory bus, and makes use of a 40 nm design. It is made up of 448 SPUs, 56 Texture Address Units, and 40 ROPs.

Compare those specs to the Radeon HD 6970, which uses a 40 nm design. AMD has clocked the core frequency at 880 MHz. The GDDR5 RAM is set to run at a frequency of 1375 MHz on this specific model. It features 1536 SPUs as well as 96 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 470 215 Watts
Radeon HD 6970 250 Watts
Difference: 35 Watts (16%)

Memory Bandwidth

As far as performance goes, the Radeon HD 6970 should theoretically be much superior to the GeForce GTX 470 in general. (explain)

Radeon HD 6970 176000 MB/sec
GeForce GTX 470 133920 MB/sec
Difference: 42080 (31%)

Texel Rate

The Radeon HD 6970 should be a lot (about 149%) faster with regards to anisotropic filtering than the GeForce GTX 470. (explain)

Radeon HD 6970 84480 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 50488 (149%)

Pixel Rate

The Radeon HD 6970 is a bit (more or less 16%) faster with regards to AA than the GeForce GTX 470, and also capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon HD 6970 28160 Mpixels/sec
GeForce GTX 470 24280 Mpixels/sec
Difference: 3880 (16%)

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

Radeon HD 6970

Amazon.com

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 6970
Manufacturer nVidia AMD
Year March 2010 December 2010
Code Name GF100 Cayman XT
Memory 1280 MB 2048 MB
Core Speed 607 MHz 880 MHz
Memory Speed 3348 MHz 5500 MHz
Power (Max TDP) 215 watts 250 watts
Bandwidth 133920 MB/sec 176000 MB/sec
Texel Rate 33992 Mtexels/sec 84480 Mtexels/sec
Pixel Rate 24280 Mpixels/sec 28160 Mpixels/sec
Unified Shaders 448 1536
Texture Mapping Units 56 96
Render Output Units 40 32
Bus Type GDDR5 GDDR5
Bus Width 320-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 2640 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the card's clock speed. 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 output rate is also dependant on many 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.

Comments

2 Responses to “GeForce GTX 470 vs Radeon HD 6970”
Graphic Crad Expert says:

Just a tip to all guys who wrote HD 6970 VS GTX 470.....WHY THE FUCK DID U ASK SO IDIOT QUESTIONS???....HD 6970 is much better than GTX 470,and even it was just a bit all we know GTX 470 can reach about 105-110+
thing which isn't cool!!!!

NoVa says:

Hell what are you talking about? not everyone knows all the manufacturers designations by heart!

Also, try to write in understandable english when posting on the web, or just stop it, because your comments aren't productive in any way

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