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Radeon R9 290 vs Radeon R9 295X2

Intro

The Radeon R9 290 comes with a clock speed of 800 MHz and a GDDR5 memory frequency of 1250 MHz. It also makes use of a 512-bit bus, and uses a 28 nm design. It is comprised of 2560 SPUs, 160 TAUs, and 64 ROPs.

Compare all of that to the Radeon R9 295X2, which uses a 28 nm design. AMD has set the core speed at 1018 MHz. The GDDR5 memory is set to run at a frequency of 1250 MHz on this model. It features 2816 SPUs as well as 176 Texture Address Units 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 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

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

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

Texel Rate

The Radeon R9 295X2 should be much (more or less 180%) more effective at anisotropic filtering than the Radeon R9 290. (explain)

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

Pixel Rate

The Radeon R9 295X2 should be a lot (more or less 155%) better at AA than the Radeon R9 290, and also will be capable of handling higher resolutions without losing too much performance. (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: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transported past the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster 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 number of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends 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 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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