GeForce GTX 960M vs Radeon HD 6450 (OEM) 1GB

Intro

Compare those specifications to the Radeon HD 6450 (OEM) 1GB, which comes with a clock frequency of 750 MHz and a GDDR5 memory frequency of 900 MHz. It also features a 64-bit memory bus, and uses a 40 nm design. It is made up of 160 SPUs, 8 Texture Address Units, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB		31 Watts
GeForce GTX 960M		65 Watts
	Difference: 34 Watts (110%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 960M should theoretically be quite a bit better than the Radeon HD 6450 (OEM) 1GB in general. (explain)

GeForce GTX 960M		64000 MB/sec
Radeon HD 6450 (OEM) 1GB		28800 MB/sec
	Difference: 35200 (122%)

Texel Rate

The GeForce GTX 960M will be a lot (approximately 631%) more effective at anisotropic filtering than the Radeon HD 6450 (OEM) 1GB. (explain)

GeForce GTX 960M		43840 Mtexels/sec
Radeon HD 6450 (OEM) 1GB		6000 Mtexels/sec
	Difference: 37840 (631%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 960M is superior to the Radeon HD 6450 (OEM) 1GB, by a large margin. (explain)

GeForce GTX 960M		17536 Mpixels/sec
Radeon HD 6450 (OEM) 1GB		3000 Mpixels/sec
	Difference: 14536 (485%)

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 max amount of information (counted in megabytes per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster 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 can be processed in one second. This number is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends 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.