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Geforce GTX 680 vs Radeon R9 280

Intro

The Geforce GTX 680 uses a 28 nm design. nVidia has set the core frequency at 1006 MHz. The GDDR5 memory is set to run at a speed of 1502 MHz on this particular model. It features 1536 SPUs along with 128 TAUs and 32 Rasterization Operator Units.

Compare those specs to the Radeon R9 280, which comes with GPU core speed of 933 MHz, and 3072 MB of GDDR5 memory set to run at 1250 MHz through a 384-bit bus. It also is comprised of 1792 Stream Processors, 112 TAUs, and 32 Raster Operation Units.

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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 680 7650 points
Difference: 311 (4%)

Ethereum Mining Hash Rate

Radeon R9 280 22 Mh/s
Geforce GTX 680 16 Mh/s
Difference: 6 (38%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

As far as performance goes, the Radeon R9 280 should in theory be a lot better than the Geforce GTX 680 overall. (explain)

Radeon R9 280 240000 MB/sec
Geforce GTX 680 192256 MB/sec
Difference: 47744 (25%)

Texel Rate

The Geforce GTX 680 is quite a bit (approximately 23%) faster with regards to texture filtering than the Radeon R9 280. (explain)

Geforce GTX 680 128768 Mtexels/sec
Radeon R9 280 104496 Mtexels/sec
Difference: 24272 (23%)

Pixel Rate

If running with high levels of AA is important to you, then the Geforce GTX 680 is a better choice, though not by far. (explain)

Geforce GTX 680 32192 Mpixels/sec
Radeon R9 280 29856 Mpixels/sec
Difference: 2336 (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 680

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 680 Radeon R9 280
Manufacturer nVidia AMD
Year March 2012 March 2014
Code Name GK104 Tahiti Pro
Memory 2048 MB 3072 MB
Core Speed 1006 MHz 933 MHz
Memory Speed 6008 MHz 5000 MHz
Power (Max TDP) 195 watts 250 watts
Bandwidth 192256 MB/sec 240000 MB/sec
Texel Rate 128768 Mtexels/sec 104496 Mtexels/sec
Pixel Rate 32192 Mpixels/sec 29856 Mpixels/sec
Unified Shaders 1536 1792
Texture Mapping Units 128 112
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: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the 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 the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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Geforce GTX 680

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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