GeForce GTS 450 1GB vs Radeon R9 M370X

Intro

Compare that to the Radeon R9 M370X, which has clock speeds of 800 MHz on the GPU, and 1125 MHz on the 2048 MB of GDDR5 memory. It features 640 SPUs as well as 40 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon R9 M370X should in theory be much superior to the GeForce GTS 450 1GB in general. (explain)

Radeon R9 M370X		72000 MB/sec
GeForce GTS 450 1GB		57728 MB/sec
	Difference: 14272 (25%)

Texel Rate

The Radeon R9 M370X is quite a bit (about 28%) faster with regards to AF than the GeForce GTS 450 1GB. (explain)

Radeon R9 M370X		32000 Mtexels/sec
GeForce GTS 450 1GB		25056 Mtexels/sec
	Difference: 6944 (28%)

Pixel Rate

The Radeon R9 M370X is just a bit (approximately 2%) more effective at full screen anti-aliasing than the GeForce GTS 450 1GB, and able to handle higher screen resolutions while still performing well. (explain)

Radeon R9 M370X		12800 Mpixels/sec
GeForce GTS 450 1GB		12528 Mpixels/sec
	Difference: 272 (2%)

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 maximum amount of information (counted in MB per second) that can be transferred over the external memory interface within a second. The number is calculated by multiplying the interface width by its memory speed. If it uses DDR memory, 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 anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This figure is worked out 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 graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

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