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Geforce GTX 670 vs Radeon R9 280X

Intro

The Geforce GTX 670 makes use of a 28 nm design. nVidia has set the core frequency at 915 MHz. The GDDR5 memory works at a speed of 1500 MHz on this model. It features 1344 SPUs along with 112 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon R9 280X, which features a core clock frequency of 850 MHz and a GDDR5 memory frequency of 1500 MHz. It also makes use of a 384-bit memory bus, and uses a 28 nm design. It is made up of 2048 SPUs, 128 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 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

In theory, the Radeon R9 280X is 50% quicker than the Geforce GTX 670 in general, because of its higher data rate. (explain)

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

Texel Rate

The Radeon R9 280X is a little bit (about 6%) better at anisotropic filtering than the Geforce GTX 670. (explain)

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

Pixel Rate

The Geforce GTX 670 is a little bit (approximately 8%) better at full screen anti-aliasing than the Radeon R9 280X, and will be able to handle higher resolutions better. (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: Bandwidth is the largest amount of data (counted in MB per second) that can be transported past the external memory interface within a second. The number is 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 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video 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 ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum 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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