GeForce GT 450 (OEM) vs Radeon R7 M265

Intro

Compare those specifications to the Radeon R7 M265, which has GPU core speed of 725 MHz, and 2048 MB of DDR3 RAM running at 1000 MHz through a 128-bit bus. It also features 384 Stream Processors, 24 Texture Address Units, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GT 450 (OEM), in theory, should be much faster than the Radeon R7 M265 overall. (explain)

GeForce GT 450 (OEM)		96000 MB/sec
Radeon R7 M265		32000 MB/sec
	Difference: 64000 (200%)

Texel Rate

The GeForce GT 450 (OEM) will be just a bit (approximately 9%) faster with regards to texture filtering than the Radeon R7 M265. (explain)

GeForce GT 450 (OEM)		18960 Mtexels/sec
Radeon R7 M265		17400 Mtexels/sec
	Difference: 1560 (9%)

Pixel Rate

The GeForce GT 450 (OEM) will be much (approximately 227%) more effective at anti-aliasing than the Radeon R7 M265, and will be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GT 450 (OEM)		18960 Mpixels/sec
Radeon R7 M265		5800 Mpixels/sec
	Difference: 13160 (227%)

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 (measured in MB per second) that can be transported across the external memory interface in one second. It is calculated by multiplying the interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better 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 can be applied in one second. This number is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called 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 of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.