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Geforce GTX 670 vs Radeon R9 280

Intro

The Geforce GTX 670 makes use of a 28 nm design. nVidia has clocked the core frequency at 915 MHz. The GDDR5 memory works at a frequency of 1500 MHz on this particular model. It features 1344 SPUs as well as 112 TAUs and 32 Rasterization Operator Units.

Compare that to the Radeon R9 280, which comes with a core clock frequency of 933 MHz and a GDDR5 memory speed of 1250 MHz. It also uses a 384-bit memory bus, and makes use of a 28 nm design. It is comprised of 1792 SPUs, 112 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 R9 280 7961 points
Geforce GTX 670 7351 points
Difference: 610 (8%)

Ethereum Mining Hash Rate

Radeon R9 280 22 Mh/s
Geforce GTX 670 13 Mh/s
Difference: 9 (69%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 670 170 Watts
Radeon R9 280 250 Watts
Difference: 80 Watts (47%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 280 should perform much faster than the Geforce GTX 670 overall. (explain)

Radeon R9 280 240000 MB/sec
Geforce GTX 670 192000 MB/sec
Difference: 48000 (25%)

Texel Rate

The Radeon R9 280 is just a bit (more or less 2%) better at texture filtering than the Geforce GTX 670. (explain)

Radeon R9 280 104496 Mtexels/sec
Geforce GTX 670 102480 Mtexels/sec
Difference: 2016 (2%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 280 is the winner, but only just. (explain)

Radeon R9 280 29856 Mpixels/sec
Geforce GTX 670 29280 Mpixels/sec
Difference: 576 (2%)

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 670

Amazon.com

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Radeon R9 280

Amazon.com

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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 670 Radeon R9 280
Manufacturer nVidia AMD
Year May 2012 March 2014
Code Name GK104 Tahiti Pro
Memory 2048 MB 3072 MB
Core Speed 915 MHz 933 MHz
Memory Speed 6000 MHz 5000 MHz
Power (Max TDP) 170 watts 250 watts
Bandwidth 192000 MB/sec 240000 MB/sec
Texel Rate 102480 Mtexels/sec 104496 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 29856 Mpixels/sec
Unified Shaders 1344 1792
Texture Mapping Units 112 112
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 3540 million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 processed in one second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 number of pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Geforce GTX 670

Amazon.com

Check prices at:

Radeon R9 280

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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