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GeForce GTX 480 vs Radeon HD 6670 (OEM)

Intro

The GeForce GTX 480 has core clock speeds of 700 MHz on the GPU, and 924 MHz on the 1536 MB of GDDR5 RAM. It features 480 SPUs along with 60 Texture Address Units and 48 ROPs.

Compare that to the Radeon HD 6670 (OEM), which has core speeds of 800 MHz on the GPU, and 1000 MHz on the 512 MB of GDDR5 RAM. It features 480 SPUs as well as 24 Texture Address Units and 8 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 480 3650 points
Radeon HD 6670 (OEM) 1120 points
Difference: 2530 (226%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM) 63 Watts
GeForce GTX 480 250 Watts
Difference: 187 Watts (297%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 480 should perform quite a bit faster than the Radeon HD 6670 (OEM) in general. (explain)

GeForce GTX 480 177408 MB/sec
Radeon HD 6670 (OEM) 64000 MB/sec
Difference: 113408 (177%)

Texel Rate

The GeForce GTX 480 will be quite a bit (about 119%) more effective at AF than the Radeon HD 6670 (OEM). (explain)

GeForce GTX 480 42000 Mtexels/sec
Radeon HD 6670 (OEM) 19200 Mtexels/sec
Difference: 22800 (119%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 480 is the winner, by far. (explain)

GeForce GTX 480 33600 Mpixels/sec
Radeon HD 6670 (OEM) 6400 Mpixels/sec
Difference: 27200 (425%)

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 480

Amazon.com

Check prices at:

Radeon HD 6670 (OEM)

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 480 Radeon HD 6670 (OEM)
Manufacturer nVidia AMD
Year March 2010 February 2011
Code Name GF100 Turks
Memory 1536 MB 512 MB
Core Speed 700 MHz 800 MHz
Memory Speed 3696 MHz 4000 MHz
Power (Max TDP) 250 watts 63 watts
Bandwidth 177408 MB/sec 64000 MB/sec
Texel Rate 42000 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 33600 Mpixels/sec 6400 Mpixels/sec
Unified Shaders 480 480
Texture Mapping Units 60 24
Render Output Units 48 8
Bus Type GDDR5 GDDR5
Bus Width 384-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 715 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be transported over the external memory interface within a second. The number is worked out by multiplying the bus width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total number of texture units of the card 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 processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs 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 output rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 480

Amazon.com

Check prices at:

Radeon HD 6670 (OEM)

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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