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Radeon R9 290 vs Radeon R9 295X2

Intro

The Radeon R9 290 features a GPU core clock speed of 800 MHz, and the 4096 MB of GDDR5 memory is set to run at 1250 MHz through a 512-bit bus. It also features 2560 Stream Processors, 160 TAUs, and 64 ROPs.

Compare all that to the Radeon R9 295X2, which has GPU clock speed of 1018 MHz, and 4096 MB of GDDR5 RAM running at 1250 MHz through a 512-bit bus. It also is made up of 2816 Stream Processors, 176 Texture Address Units, and 64 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 295X2 21205 points
Radeon R9 290 9876 points
Difference: 11329 (115%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 290 300 Watts
Radeon R9 295X2 500 Watts
Difference: 200 Watts (67%)

Memory Bandwidth

In theory, the Radeon R9 295X2 is 100% faster than the Radeon R9 290 in general, due to its higher bandwidth. (explain)

Radeon R9 295X2 640000 MB/sec
Radeon R9 290 320000 MB/sec
Difference: 320000 (100%)

Texel Rate

The Radeon R9 295X2 is quite a bit (approximately 180%) more effective at texture filtering than the Radeon R9 290. (explain)

Radeon R9 295X2 358336 Mtexels/sec
Radeon R9 290 128000 Mtexels/sec
Difference: 230336 (180%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 295X2 is a better choice, and very much so. (explain)

Radeon R9 295X2 130304 Mpixels/sec
Radeon R9 290 51200 Mpixels/sec
Difference: 79104 (155%)

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 290

Amazon.com

Check prices at:

Radeon R9 295X2

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 R9 290 Radeon R9 295X2
Manufacturer AMD AMD
Year November 2013 April 2014
Code Name Hawaii PRO Vesuvius
Memory 4096 MB 4096 MB (x2)
Core Speed 800 MHz 1018 MHz (x2)
Memory Speed 5000 MHz 5000 MHz (x2)
Power (Max TDP) 300 watts 500 watts
Bandwidth 320000 MB/sec 640000 MB/sec
Texel Rate 128000 Mtexels/sec 358336 Mtexels/sec
Pixel Rate 51200 Mpixels/sec 130304 Mpixels/sec
Unified Shaders 2560 2816 (x2)
Texture Mapping Units 160 176 (x2)
Render Output Units 64 64 (x2)
Bus Type GDDR5 GDDR5
Bus Width 512-bit 512-bit (x2)
Fab Process 28 nm 28 nm
Transistors 6200 million 6200 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 maximum amount of information (measured in megabytes per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, 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 higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output 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 max fill rate.

Display Prices

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Radeon R9 290

Amazon.com

Check prices at:

Radeon R9 295X2

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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