Radeon HD 6670 (OEM) vs Radeon R9 295X2

Intro

Compare all of that to the Radeon R9 295X2, which comes with GPU clock speed of 1018 MHz, and 4096 MB of GDDR5 RAM set to run at 1250 MHz through a 512-bit bus. It also is made up of 2816 SPUs, 176 TAUs, and 64 ROPs.

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 6670 (OEM)		1120 points
	Difference: 20085 (1793%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM)		63 Watts
Radeon R9 295X2		500 Watts
	Difference: 437 Watts (694%)

Memory Bandwidth

In theory, the Radeon R9 295X2 is 900% faster than the Radeon HD 6670 (OEM) overall, because of its greater bandwidth. (explain)

Radeon R9 295X2		640000 MB/sec
Radeon HD 6670 (OEM)		64000 MB/sec
	Difference: 576000 (900%)

Texel Rate

The Radeon R9 295X2 is quite a bit (approximately 1766%) better at texture filtering than the Radeon HD 6670 (OEM). (explain)

Radeon R9 295X2		358336 Mtexels/sec
Radeon HD 6670 (OEM)		19200 Mtexels/sec
	Difference: 339136 (1766%)

Pixel Rate

The Radeon R9 295X2 should be quite a bit (approximately 1936%) faster with regards to AA than the Radeon HD 6670 (OEM), and also should be able to handle higher resolutions without slowing down too much. (explain)

Radeon R9 295X2		130304 Mpixels/sec
Radeon HD 6670 (OEM)		6400 Mpixels/sec
	Difference: 123904 (1936%)

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 data (measured in MB per second) that can be transferred across the external memory interface in one second. The number is worked out by multiplying the interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better 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 processed per second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.