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Radeon R9 295X2 vs Radeon R9 380X

Intro

The Radeon R9 295X2 comes with a clock frequency of 1018 MHz and a GDDR5 memory speed of 1250 MHz. It also makes use of a 512-bit memory bus, and makes use of a 28 nm design. It is made up of 2816 SPUs, 176 Texture Address Units, and 64 ROPs.

Compare those specs to the Radeon R9 380X, which makes use of a 28 nm design. AMD has set the core speed at 970 MHz. The GDDR5 RAM works at a speed of 1425 MHz on this particular card. It features 2048 SPUs as well as 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 295X2 21205 points
Radeon R9 380X 9519 points
Difference: 11686 (123%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380X 190 Watts
Radeon R9 295X2 500 Watts
Difference: 310 Watts (163%)

Memory Bandwidth

Performance-wise, the Radeon R9 295X2 should theoretically be a lot better than the Radeon R9 380X overall. (explain)

Radeon R9 295X2 640000 MB/sec
Radeon R9 380X 182400 MB/sec
Difference: 457600 (251%)

Texel Rate

The Radeon R9 295X2 is a lot (about 189%) faster with regards to anisotropic filtering than the Radeon R9 380X. (explain)

Radeon R9 295X2 358336 Mtexels/sec
Radeon R9 380X 124160 Mtexels/sec
Difference: 234176 (189%)

Pixel Rate

The Radeon R9 295X2 should be much (more or less 320%) faster with regards to full screen anti-aliasing than the Radeon R9 380X, and also should be capable of handling higher resolutions better. (explain)

Radeon R9 295X2 130304 Mpixels/sec
Radeon R9 380X 31040 Mpixels/sec
Difference: 99264 (320%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Radeon R9 295X2

Amazon.com

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Radeon R9 380X

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 R9 295X2 Radeon R9 380X
Manufacturer AMD AMD
Year April 2014 November 2015
Code Name Vesuvius Tonga XT
Memory 4096 MB (x2) 4096 MB
Core Speed 1018 MHz (x2) 970 MHz
Memory Speed 5000 MHz (x2) 5700 MHz
Power (Max TDP) 500 watts 190 watts
Bandwidth 640000 MB/sec 182400 MB/sec
Texel Rate 358336 Mtexels/sec 124160 Mtexels/sec
Pixel Rate 130304 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 2816 (x2) 2048
Texture Mapping Units 176 (x2) 128
Render Output Units 64 (x2) 32
Bus Type GDDR5 GDDR5
Bus Width 512-bit (x2) 256-bit
Fab Process 28 nm 28 nm
Transistors 6200 million 5000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of data (in units of MB per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed 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 a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines 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 lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Radeon R9 295X2

Amazon.com

Check prices at:

Radeon R9 380X

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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