Radeon HD 7950 vs Radeon R9 295X2

Intro

Compare those specs to the Radeon R9 295X2, which features 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 Texture Address Units and 64 Rasterization Operator Units.

Display Graphs

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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 HD 7950		7731 points
	Difference: 13474 (174%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7950		200 Watts
Radeon R9 295X2		500 Watts
	Difference: 300 Watts (150%)

Memory Bandwidth

In theory, the Radeon R9 295X2 should be much faster than the Radeon HD 7950 in general. (explain)

Radeon R9 295X2		640000 MB/sec
Radeon HD 7950		240000 MB/sec
	Difference: 400000 (167%)

Texel Rate

The Radeon R9 295X2 is quite a bit (more or less 300%) faster with regards to anisotropic filtering than the Radeon HD 7950. (explain)

Radeon R9 295X2		358336 Mtexels/sec
Radeon HD 7950		89600 Mtexels/sec
	Difference: 268736 (300%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 295X2 is superior to the Radeon HD 7950, by a large margin. (explain)

Radeon R9 295X2		130304 Mpixels/sec
Radeon HD 7950		25600 Mpixels/sec
	Difference: 104704 (409%)

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

Specifications

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the bus width by its memory clock speed. In the case of DDR RAM, 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 AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines 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 rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.