GeForce 9800 GTX+ vs GeForce GTX 860M

Intro

Compare those specifications to the GeForce GTX 860M, which has core speeds of 797 MHz on the GPU, and 1000 MHz on the 4096 MB of GDDR5 RAM. It features 1152 SPUs along with 96 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M		45 Watts
GeForce 9800 GTX+		145 Watts
	Difference: 100 Watts (222%)

Memory Bandwidth

Performance-wise, the GeForce 9800 GTX+ should theoretically be a little bit better than the GeForce GTX 860M overall. (explain)

GeForce 9800 GTX+		70400 MB/sec
GeForce GTX 860M		64000 MB/sec
	Difference: 6400 (10%)

Texel Rate

The GeForce GTX 860M is a lot (about 62%) more effective at AF than the GeForce 9800 GTX+. (explain)

GeForce GTX 860M		76512 Mtexels/sec
GeForce 9800 GTX+		47232 Mtexels/sec
	Difference: 29280 (62%)

Pixel Rate

The GeForce GTX 860M is a bit (more or less 8%) more effective at FSAA than the GeForce 9800 GTX+, and also should be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 860M		12752 Mpixels/sec
GeForce 9800 GTX+		11808 Mpixels/sec
	Difference: 944 (8%)

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 data (counted in megabytes per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs 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 output rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.