GeForce 8800 Ultra vs Radeon R9 M365X

Intro

Compare those specifications to the Radeon R9 M365X, which features GPU clock speed of 925 MHz, and 4096 MB of GDDR5 memory running at 1125 MHz through a 128-bit bus. It also is made up of 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce 8800 Ultra should be much faster than the Radeon R9 M365X in general. (explain)

GeForce 8800 Ultra		103680 MB/sec
Radeon R9 M365X		72000 MB/sec
	Difference: 31680 (44%)

Texel Rate

The GeForce 8800 Ultra is a little bit (more or less 6%) faster with regards to AF than the Radeon R9 M365X. (explain)

GeForce 8800 Ultra		39168 Mtexels/sec
Radeon R9 M365X		37000 Mtexels/sec
	Difference: 2168 (6%)

Pixel Rate

The Radeon R9 M365X will be a bit (about 1%) faster with regards to AA than the GeForce 8800 Ultra, and will be capable of handling higher screen resolutions better. (explain)

Radeon R9 M365X		14800 Mpixels/sec
GeForce 8800 Ultra		14688 Mpixels/sec
	Difference: 112 (1%)

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 information (in units of MB per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

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