Radeon HD 6670 (OEM) vs Radeon R9 280X

Intro

Compare those specs to the Radeon R9 280X, which features GPU clock speed of 850 MHz, and 3072 MB of GDDR5 RAM set to run at 1500 MHz through a 384-bit bus. It also features 2048 Stream Processors, 128 Texture Address Units, and 32 Raster Operation 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 280X		8886 points
Radeon HD 6670 (OEM)		1120 points
	Difference: 7766 (693%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM)		63 Watts
Radeon R9 280X		250 Watts
	Difference: 187 Watts (297%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 280X should be 350% quicker than the Radeon HD 6670 (OEM) overall, because of its higher bandwidth. (explain)

Radeon R9 280X		288000 MB/sec
Radeon HD 6670 (OEM)		64000 MB/sec
	Difference: 224000 (350%)

Texel Rate

The Radeon R9 280X is a lot (approximately 467%) faster with regards to AF than the Radeon HD 6670 (OEM). (explain)

Radeon R9 280X		108800 Mtexels/sec
Radeon HD 6670 (OEM)		19200 Mtexels/sec
	Difference: 89600 (467%)

Pixel Rate

The Radeon R9 280X will be quite a bit (more or less 325%) more effective at FSAA than the Radeon HD 6670 (OEM), and also will be able to handle higher resolutions without slowing down too much. (explain)

Radeon R9 280X		27200 Mpixels/sec
Radeon HD 6670 (OEM)		6400 Mpixels/sec
	Difference: 20800 (325%)

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.

Price Comparison

Specifications

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be transported past the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's 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 texture map elements (texels) that are applied in one second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units 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 is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.