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GeForce GTX 470 vs Radeon HD 6950

Intro

The GeForce GTX 470 makes use of a 40 nm design. nVidia has clocked the core speed at 607 MHz. The GDDR5 RAM works at a frequency of 837 MHz on this card. It features 448 SPUs as well as 56 Texture Address Units and 40 ROPs.

Compare those specs to the Radeon HD 6950, which features core speeds of 800 MHz on the GPU, and 1250 MHz on the 1024 MB of GDDR5 RAM. It features 1408 SPUs as well as 88 TAUs and 32 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

Radeon HD 6950 3240 points
GeForce GTX 470 2937 points
Difference: 303 (10%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6950 200 Watts
GeForce GTX 470 215 Watts
Difference: 15 Watts (8%)

Memory Bandwidth

As far as performance goes, the Radeon HD 6950 should in theory be a small bit superior to the GeForce GTX 470 overall. (explain)

Radeon HD 6950 160000 MB/sec
GeForce GTX 470 133920 MB/sec
Difference: 26080 (19%)

Texel Rate

The Radeon HD 6950 will be much (about 107%) faster with regards to anisotropic filtering than the GeForce GTX 470. (explain)

Radeon HD 6950 70400 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 36408 (107%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 6950 is superior to the GeForce GTX 470, but not by far. (explain)

Radeon HD 6950 25600 Mpixels/sec
GeForce GTX 470 24280 Mpixels/sec
Difference: 1320 (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 6950

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 6950
Manufacturer nVidia AMD
Year March 2010 December 2010
Code Name GF100 Cayman Pro
Memory 1280 MB 1024 MB
Core Speed 607 MHz 800 MHz
Memory Speed 3348 MHz 5000 MHz
Power (Max TDP) 215 watts 200 watts
Bandwidth 133920 MB/sec 160000 MB/sec
Texel Rate 33992 Mtexels/sec 70400 Mtexels/sec
Pixel Rate 24280 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 448 1408
Texture Mapping Units 56 88
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 transported over the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 470

Amazon.com

Check prices at:

Radeon HD 6950

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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