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Geforce GTX 670 vs Radeon R9 280X

Intro

The Geforce GTX 670 comes with a clock frequency of 915 MHz and a GDDR5 memory speed of 1500 MHz. It also features a 256-bit memory bus, and uses a 28 nm design. It features 1344 SPUs, 112 Texture Address Units, and 32 ROPs.

Compare those specifications to the Radeon R9 280X, which has a clock frequency of 850 MHz and a GDDR5 memory frequency of 1500 MHz. It also uses a 384-bit bus, and uses a 28 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, 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 280X 8886 points
Geforce GTX 670 7351 points
Difference: 1535 (21%)

Ethereum Mining Hash Rate

Radeon R9 280X 21 Mh/s
Geforce GTX 670 13 Mh/s
Difference: 8 (62%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

Theoretically speaking, the Radeon R9 280X will be 50% faster than the Geforce GTX 670 in general, because of its higher bandwidth. (explain)

Radeon R9 280X 288000 MB/sec
Geforce GTX 670 192000 MB/sec
Difference: 96000 (50%)

Texel Rate

The Radeon R9 280X should be a small bit (about 6%) faster with regards to AF than the Geforce GTX 670. (explain)

Radeon R9 280X 108800 Mtexels/sec
Geforce GTX 670 102480 Mtexels/sec
Difference: 6320 (6%)

Pixel Rate

If using a high screen resolution is important to you, then the Geforce GTX 670 is a better choice, but it probably won't make a huge difference. (explain)

Geforce GTX 670 29280 Mpixels/sec
Radeon R9 280X 27200 Mpixels/sec
Difference: 2080 (8%)

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 280X

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 670 Radeon R9 280X
Manufacturer nVidia AMD
Year May 2012 October 2013
Code Name GK104 Tahiti XTL
Memory 2048 MB 3072 MB
Core Speed 915 MHz 850 MHz
Memory Speed 6000 MHz 6000 MHz
Power (Max TDP) 170 watts 250 watts
Bandwidth 192000 MB/sec 288000 MB/sec
Texel Rate 102480 Mtexels/sec 108800 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 1344 2048
Texture Mapping Units 112 128
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: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be transported over the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip 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 ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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Geforce GTX 670

Amazon.com

Check prices at:

Radeon R9 280X

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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