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Geforce GTX 680 vs Radeon R9 280X

Intro

The Geforce GTX 680 features clock speeds of 1006 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 memory. It features 1536 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Compare that to the Radeon R9 280X, which comes with a core clock speed 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 features 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 680 7650 points
Difference: 1236 (16%)

Ethereum Mining Hash Rate

Radeon R9 280X 21 Mh/s
Geforce GTX 680 16 Mh/s
Difference: 5 (31%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 680 195 Watts
Radeon R9 280X 250 Watts
Difference: 55 Watts (28%)

Memory Bandwidth

The Radeon R9 280X should theoretically be quite a bit faster than the Geforce GTX 680 overall. (explain)

Radeon R9 280X 288000 MB/sec
Geforce GTX 680 192256 MB/sec
Difference: 95744 (50%)

Texel Rate

The Geforce GTX 680 will be a small bit (approximately 18%) better at AF than the Radeon R9 280X. (explain)

Geforce GTX 680 128768 Mtexels/sec
Radeon R9 280X 108800 Mtexels/sec
Difference: 19968 (18%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Geforce GTX 680 is a better choice, not by a very large margin though. (explain)

Geforce GTX 680 32192 Mpixels/sec
Radeon R9 280X 27200 Mpixels/sec
Difference: 4992 (18%)

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 680

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 680 Radeon R9 280X
Manufacturer nVidia AMD
Year March 2012 October 2013
Code Name GK104 Tahiti XTL
Memory 2048 MB 3072 MB
Core Speed 1006 MHz 850 MHz
Memory Speed 6008 MHz 6000 MHz
Power (Max TDP) 195 watts 250 watts
Bandwidth 192256 MB/sec 288000 MB/sec
Texel Rate 128768 Mtexels/sec 108800 Mtexels/sec
Pixel Rate 32192 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 1536 2048
Texture Mapping Units 128 128
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 information (in units of megabytes per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better 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 texture map elements (texels) that are processed per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core 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 output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Geforce GTX 680

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.

Comments

One Response to “Geforce GTX 680 vs Radeon R9 280X”
XFX FTW says:

XFX R9 280X WIN

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