Radeon HD 6670 (OEM) vs Radeon R9 280

Intro

Compare all of that to the Radeon R9 280, which comes with a clock speed of 933 MHz and a GDDR5 memory speed of 1250 MHz. It also features a 384-bit memory bus, and makes use of a 28 nm design. It features 1792 SPUs, 112 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 280		7961 points
Radeon HD 6670 (OEM)		1120 points
	Difference: 6841 (611%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

Performance-wise, the Radeon R9 280 should in theory be much better than the Radeon HD 6670 (OEM) overall. (explain)

Radeon R9 280		240000 MB/sec
Radeon HD 6670 (OEM)		64000 MB/sec
	Difference: 176000 (275%)

Texel Rate

The Radeon R9 280 will be much (more or less 444%) better at AF than the Radeon HD 6670 (OEM). (explain)

Radeon R9 280		104496 Mtexels/sec
Radeon HD 6670 (OEM)		19200 Mtexels/sec
	Difference: 85296 (444%)

Pixel Rate

The Radeon R9 280 should be much (about 367%) better at full screen anti-aliasing than the Radeon HD 6670 (OEM), and capable of handling higher screen resolutions more effectively. (explain)

Radeon R9 280		29856 Mpixels/sec
Radeon HD 6670 (OEM)		6400 Mpixels/sec
	Difference: 23456 (367%)

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: Bandwidth is the max amount of data (in units of MB per second) that can be transported across the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per 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. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.