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Radeon R7 260X vs Radeon R9 380 4G

Intro

The Radeon R7 260X uses a 28 nm design. AMD has clocked the core frequency at 1100 MHz. The GDDR5 RAM runs at a frequency of 1625 MHz on this specific model. It features 896 SPUs along with 56 Texture Address Units and 16 Rasterization Operator Units.

Compare that to the Radeon R9 380 4G, which features a GPU core clock speed of 970 MHz, and 4096 MB of GDDR5 memory running at 1425 MHz through a 256-bit bus. It also features 1792 SPUs, 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 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

In theory, the Radeon R9 380 4G will be 75% quicker than the Radeon R7 260X overall, because of its greater bandwidth. (explain)

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

Texel Rate

The Radeon R9 380 4G will be quite a bit (about 76%) better at AF than the Radeon R7 260X. (explain)

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

Pixel Rate

If using high levels of AA is important to you, then the Radeon R9 380 4G is a better choice, by a large margin. (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

Radeon R9 380 4G

Amazon.com

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: Memory bandwidth is the largest amount of data (counted in MB per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 can be applied per second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon R7 260X

Amazon.com

Radeon R9 380 4G

Amazon.com

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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