GeForce GTS 450 vs GeForce GTX 950M

Intro

Compare those specs to the GeForce GTX 950M, which makes use of a 28 nm design. nVidia has set the core frequency at 914 MHz. The DDR3 memory runs at a speed of 1000 MHz on this particular card. It features 640 SPUs as well as 40 TAUs and 16 ROPs.

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 950M		3330 points
GeForce GTS 450		1453 points
	Difference: 1877 (129%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M		55 Watts
GeForce GTS 450		106 Watts
	Difference: 51 Watts (93%)

Memory Bandwidth

Theoretically speaking, the GeForce GTS 450 should be 80% quicker than the GeForce GTX 950M in general, because of its greater bandwidth. (explain)

GeForce GTS 450		57728 MB/sec
GeForce GTX 950M		32000 MB/sec
	Difference: 25728 (80%)

Texel Rate

The GeForce GTX 950M should be quite a bit (approximately 46%) better at texture filtering than the GeForce GTS 450. (explain)

GeForce GTX 950M		36560 Mtexels/sec
GeForce GTS 450		25056 Mtexels/sec
	Difference: 11504 (46%)

Pixel Rate

The GeForce GTX 950M should be just a bit (approximately 17%) more effective at anti-aliasing than the GeForce GTS 450, and also should be able to handle higher screen resolutions better. (explain)

GeForce GTX 950M		14624 Mpixels/sec
GeForce GTS 450		12528 Mpixels/sec
	Difference: 2096 (17%)

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 largest amount of data (counted in megabytes per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This number is worked out 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 video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could 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 Render Output Units by the the card's 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 of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.