Geforce GTX 680 vs Radeon R7 M265

Intro

Compare those specs to the Radeon R7 M265, which makes use of a 28 nm design. AMD has clocked the core speed at 725 MHz. The DDR3 memory works at a frequency of 1000 MHz on this particular card. It features 384 SPUs along with 24 TAUs and 8 Rasterization Operator Units.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Geforce GTX 680		7650 points
Radeon R7 M265		3256 points
	Difference: 4394 (135%)

Ethereum Mining Hash Rate

Geforce GTX 680		16 Mh/s
Radeon R7 M265		14 Mh/s
	Difference: 2 (14%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Geforce GTX 680, in theory, should be quite a bit faster than the Radeon R7 M265 in general. (explain)

Geforce GTX 680		192256 MB/sec
Radeon R7 M265		32000 MB/sec
	Difference: 160256 (501%)

Texel Rate

The Geforce GTX 680 will be much (about 640%) more effective at texture filtering than the Radeon R7 M265. (explain)

Geforce GTX 680		128768 Mtexels/sec
Radeon R7 M265		17400 Mtexels/sec
	Difference: 111368 (640%)

Pixel Rate

The Geforce GTX 680 is much (about 455%) better at anti-aliasing than the Radeon R7 M265, and also able to handle higher resolutions better. (explain)

Geforce GTX 680		32192 Mpixels/sec
Radeon R7 M265		5800 Mpixels/sec
	Difference: 26392 (455%)

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 max amount of data (in units of megabytes per second) that can be transported over the external memory interface in a second. It's calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the 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 maximum amount of pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour 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, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.