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Radeon R9 290X vs Radeon R9 295X2

Intro

The Radeon R9 290X makes use of a 28 nm design. AMD has set the core frequency at 800 MHz. The GDDR5 memory runs at a speed of 1250 MHz on this card. It features 2816 SPUs as well as 176 TAUs and 64 ROPs.

Compare those specs to the Radeon R9 295X2, which has core clock speeds of 1018 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 memory. It features 2816 SPUs as well as 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

Theoretically, the Radeon R9 295X2 should be much 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 should be a lot (more or less 155%) more effective at anisotropic 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 should be quite a bit (about 155%) more effective at AA than the Radeon R9 290X, and capable of handling higher screen resolutions more effectively. (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: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred past the external memory interface within a second. It's worked out by multiplying the bus width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 once 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 AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called 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 of the card - 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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