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GeForce GTX 470 vs Radeon HD 6970

Intro

The GeForce GTX 470 comes with a core clock speed of 607 MHz and a GDDR5 memory frequency of 837 MHz. It also features a 320-bit bus, and uses a 40 nm design. It is comprised of 448 SPUs, 56 TAUs, and 40 ROPs.

Compare those specifications to the Radeon HD 6970, which makes use of a 40 nm design. AMD has clocked the core frequency at 880 MHz. The GDDR5 memory runs at a frequency of 1375 MHz on this card. It features 1536 SPUs as well as 96 TAUs 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

Theoretically, the Radeon HD 6970 should perform much faster than the GeForce GTX 470 overall. (explain)

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

Texel Rate

The Radeon HD 6970 should be quite a bit (approximately 149%) faster with regards to texture filtering than the GeForce GTX 470. (explain)

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

Pixel Rate

If using a high screen resolution is important to you, then the Radeon HD 6970 is superior to the GeForce GTX 470, but only just. (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 maximum amount of data (measured in megabytes per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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