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Radeon R7 260X vs Radeon R9 280X

Intro

The Radeon R7 260X features a clock frequency of 1100 MHz and a GDDR5 memory speed of 1625 MHz. It also makes use of a 128-bit memory bus, and uses a 28 nm design. It features 896 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Compare those specifications to the Radeon R9 280X, which comes with core clock speeds of 850 MHz on the GPU, and 1500 MHz on the 3072 MB of GDDR5 RAM. It features 2048 SPUs along with 128 TAUs and 32 Rasterization Operator 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 280X 8886 points
Radeon R7 260X 4381 points
Difference: 4505 (103%)

Ethereum Mining Hash Rate

Radeon R9 280X 21 Mh/s
Radeon R7 260X 14 Mh/s
Difference: 7 (50%)

Zcash Mining Hash Rate

Radeon R9 280X 294 Sol/s
Radeon R7 260X 95 Sol/s
Difference: 199 (209%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 260X 115 Watts
Radeon R9 280X 250 Watts
Difference: 135 Watts (117%)

Memory Bandwidth

Performance-wise, the Radeon R9 280X should in theory be a lot better than the Radeon R7 260X in general. (explain)

Radeon R9 280X 288000 MB/sec
Radeon R7 260X 104000 MB/sec
Difference: 184000 (177%)

Texel Rate

The Radeon R9 280X should be a lot (approximately 77%) faster with regards to AF than the Radeon R7 260X. (explain)

Radeon R9 280X 108800 Mtexels/sec
Radeon R7 260X 61600 Mtexels/sec
Difference: 47200 (77%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R9 280X is the winner, and very much so. (explain)

Radeon R9 280X 27200 Mpixels/sec
Radeon R7 260X 17600 Mpixels/sec
Difference: 9600 (55%)

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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Radeon R7 260X

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 Radeon R7 260X Radeon R9 280X
Manufacturer AMD AMD
Year October 2013 October 2013
Code Name Bonaire XTX Tahiti XTL
Memory 2048 MB 3072 MB
Core Speed 1100 MHz 850 MHz
Memory Speed 6500 MHz 6000 MHz
Power (Max TDP) 115 watts 250 watts
Bandwidth 104000 MB/sec 288000 MB/sec
Texel Rate 61600 Mtexels/sec 108800 Mtexels/sec
Pixel Rate 17600 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 896 2048
Texture Mapping Units 56 128
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 2080 million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 11.2
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is calculated by multiplying the total number of texture units 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 one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Radeon R7 260X

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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