GeForce GTX 465 vs Radeon R5 M330

Intro

Compare those specs to the Radeon R5 M330, which makes use of a 28 nm design. AMD has clocked the core frequency at 1030 MHz. The DDR3 memory runs at a speed of 900 MHz on this model. It features 320 SPUs along with 20 Texture Address Units and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 465 should theoretically perform much faster than the Radeon R5 M330 in general. (explain)

GeForce GTX 465		102592 MB/sec
Radeon R5 M330		14400 MB/sec
	Difference: 88192 (612%)

Texel Rate

The GeForce GTX 465 is much (approximately 30%) more effective at texture filtering than the Radeon R5 M330. (explain)

GeForce GTX 465		26708 Mtexels/sec
Radeon R5 M330		20600 Mtexels/sec
	Difference: 6108 (30%)

Pixel Rate

The GeForce GTX 465 is a lot (approximately 136%) faster with regards to anti-aliasing than the Radeon R5 M330, and also will be able to handle higher screen resolutions better. (explain)

GeForce GTX 465		19424 Mpixels/sec
Radeon R5 M330		8240 Mpixels/sec
	Difference: 11184 (136%)

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: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be transferred over the external memory interface within a second. It's worked out 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 DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The better 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 one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core 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 fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.