Radeon HD 6670 (OEM) vs Radeon R9 290

Intro

Compare all of that to the Radeon R9 290, which makes use of a 28 nm design. AMD has clocked the core frequency at 800 MHz. The GDDR5 RAM runs at a speed of 1250 MHz on this model. It features 2560 SPUs as well as 160 TAUs 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 290		9876 points
Radeon HD 6670 (OEM)		1120 points
	Difference: 8756 (782%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM)		63 Watts
Radeon R9 290		300 Watts
	Difference: 237 Watts (376%)

Memory Bandwidth

Theoretically, the Radeon R9 290 should perform much faster than the Radeon HD 6670 (OEM) in general. (explain)

Radeon R9 290		320000 MB/sec
Radeon HD 6670 (OEM)		64000 MB/sec
	Difference: 256000 (400%)

Texel Rate

The Radeon R9 290 is a lot (approximately 567%) faster with regards to texture filtering than the Radeon HD 6670 (OEM). (explain)

Radeon R9 290		128000 Mtexels/sec
Radeon HD 6670 (OEM)		19200 Mtexels/sec
	Difference: 108800 (567%)

Pixel Rate

The Radeon R9 290 is a lot (more or less 700%) more effective at full screen anti-aliasing than the Radeon HD 6670 (OEM), and will be able to handle higher resolutions without slowing down too much. (explain)

Radeon R9 290		51200 Mpixels/sec
Radeon HD 6670 (OEM)		6400 Mpixels/sec
	Difference: 44800 (700%)

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 largest amount of information (measured in megabytes per second) that can be transported over the external memory interface in a second. The number is worked out by multiplying the bus width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.