GeForce GTX 460 vs GeForce GTX 880M

Intro

Compare that to the GeForce GTX 880M, which has clock speeds of 954 MHz on the GPU, and 1000 MHz on the 4096 MB of GDDR5 RAM. It features 1536 SPUs as well as 128 Texture Address Units and 32 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 880M		6360 points
GeForce GTX 460		2557 points
	Difference: 3803 (149%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M		130 Watts
GeForce GTX 460		150 Watts
	Difference: 20 Watts (15%)

Memory Bandwidth

In theory, the GeForce GTX 880M is 48% quicker than the GeForce GTX 460 overall, because of its greater bandwidth. (explain)

GeForce GTX 880M		128000 MB/sec
GeForce GTX 460		86400 MB/sec
	Difference: 41600 (48%)

Texel Rate

The GeForce GTX 880M will be quite a bit (more or less 223%) better at AF than the GeForce GTX 460. (explain)

GeForce GTX 880M		122112 Mtexels/sec
GeForce GTX 460		37800 Mtexels/sec
	Difference: 84312 (223%)

Pixel Rate

The GeForce GTX 880M will be much (approximately 88%) faster with regards to full screen anti-aliasing than the GeForce GTX 460, and also capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 880M		30528 Mpixels/sec
GeForce GTX 460		16200 Mpixels/sec
	Difference: 14328 (88%)

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 (in units of MB per second) that can be transferred across the external memory interface in 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 it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, 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 maximum number of pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.