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Radeon R9 290X vs Radeon R9 295X2

Intro

The Radeon R9 290X features core speeds of 800 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 RAM. It features 2816 SPUs as well as 176 Texture Address Units and 64 ROPs.

Compare all that to the Radeon R9 295X2, which has a core clock frequency of 1018 MHz and a GDDR5 memory frequency of 1250 MHz. It also uses a 512-bit memory bus, and makes use of a 28 nm design. It is made up of 2816 SPUs, 176 TAUs, and 64 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 295X2 21205 points
Radeon R9 290X 10609 points
Difference: 10596 (100%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

In theory, the Radeon R9 295X2 should perform a lot faster than the Radeon R9 290X in general. (explain)

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

Texel Rate

The Radeon R9 295X2 will be quite a bit (more or less 155%) better at texture filtering than the Radeon R9 290X. (explain)

Radeon R9 295X2 358336 Mtexels/sec
Radeon R9 290X 140800 Mtexels/sec
Difference: 217536 (155%)

Pixel Rate

The Radeon R9 295X2 will be a lot (approximately 155%) better at full screen anti-aliasing than the Radeon R9 290X, and will be able to handle higher resolutions better. (explain)

Radeon R9 295X2 130304 Mpixels/sec
Radeon R9 290X 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 290X

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 290X Radeon R9 295X2
Manufacturer AMD AMD
Year October 2013 April 2014
Code Name Hawaii XT 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 140800 Mtexels/sec 358336 Mtexels/sec
Pixel Rate 51200 Mpixels/sec 130304 Mpixels/sec
Unified Shaders 2816 2816 (x2)
Texture Mapping Units 176 176 (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: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the video 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 that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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Radeon R9 290X

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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