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Radeon R7 260X vs Radeon R9 380 4G

Intro

The Radeon R7 260X has a GPU clock speed of 1100 MHz, and the 2048 MB of GDDR5 RAM runs at 1625 MHz through a 128-bit bus. It also is made up of 896 SPUs, 56 TAUs, and 16 Raster Operation Units.

Compare that to the Radeon R9 380 4G, which has a core clock speed of 970 MHz and a GDDR5 memory frequency of 1425 MHz. It also uses a 256-bit bus, and makes use of a 28 nm design. It is comprised of 1792 SPUs, 112 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 380 4G 8837 points
Radeon R7 260X 4381 points
Difference: 4456 (102%)

Ethereum Mining Hash Rate

Radeon R9 380 4G 21 Mh/s
Radeon R7 260X 14 Mh/s
Difference: 7 (50%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 260X 115 Watts
Radeon R9 380 4G 190 Watts
Difference: 75 Watts (65%)

Memory Bandwidth

Performance-wise, the Radeon R9 380 4G should theoretically be a lot superior to the Radeon R7 260X in general. (explain)

Radeon R9 380 4G 182400 MB/sec
Radeon R7 260X 104000 MB/sec
Difference: 78400 (75%)

Texel Rate

The Radeon R9 380 4G should be much (approximately 76%) better at anisotropic filtering than the Radeon R7 260X. (explain)

Radeon R9 380 4G 108640 Mtexels/sec
Radeon R7 260X 61600 Mtexels/sec
Difference: 47040 (76%)

Pixel Rate

The Radeon R9 380 4G should be much (approximately 76%) more effective at anti-aliasing than the Radeon R7 260X, and able to handle higher screen resolutions without slowing down too much. (explain)

Radeon R9 380 4G 31040 Mpixels/sec
Radeon R7 260X 17600 Mpixels/sec
Difference: 13440 (76%)

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 380 4G

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 Radeon R7 260X Radeon R9 380 4G
Manufacturer AMD AMD
Year October 2013 June 2015
Code Name Bonaire XTX Antigua PRO
Memory 2048 MB 4096 MB
Core Speed 1100 MHz 970 MHz
Memory Speed 6500 MHz 5700 MHz
Power (Max TDP) 115 watts 190 watts
Bandwidth 104000 MB/sec 182400 MB/sec
Texel Rate 61600 Mtexels/sec 108640 Mtexels/sec
Pixel Rate 17600 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 896 1792
Texture Mapping Units 56 112
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 2080 million 5000 million
Bus PCIe 3.0 x16 PCIe 3.0 ×16
DirectX Version DirectX 11.2 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, it must 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, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the graphics 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 maximum amount of pixels the video card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon R7 260X

Amazon.com

Check prices at:

Radeon R9 380 4G

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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