GeForce 9800 GT 1GB vs Radeon R9 M385X

Intro

Compare those specs to the Radeon R9 M385X, which features a clock frequency of 1100 MHz and a GDDR5 memory frequency of 1500 MHz. It also features a 128-bit memory bus, and uses a 28 nm design. It features 896 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R9 M385X should be 67% faster than the GeForce 9800 GT 1GB in general, due to its higher bandwidth. (explain)

Radeon R9 M385X		96000 MB/sec
GeForce 9800 GT 1GB		57600 MB/sec
	Difference: 38400 (67%)

Texel Rate

The Radeon R9 M385X should be a lot (about 83%) more effective at anisotropic filtering than the GeForce 9800 GT 1GB. (explain)

Radeon R9 M385X		61600 Mtexels/sec
GeForce 9800 GT 1GB		33600 Mtexels/sec
	Difference: 28000 (83%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 M385X is the winner, by far. (explain)

Radeon R9 M385X		17600 Mpixels/sec
GeForce 9800 GT 1GB		9600 Mpixels/sec
	Difference: 8000 (83%)

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 data (counted in megabytes per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once 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 AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at 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 that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.