GeForce GTX 950M vs Radeon HD 6770 1GB

Intro

Compare all that to the Radeon HD 6770 1GB, which has a core clock frequency of 900 MHz and a GDDR5 memory frequency of 1050 MHz. It also uses a 128-bit bus, and uses a 40 nm design. It features 800 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M		55 Watts
Radeon HD 6770 1GB		108 Watts
	Difference: 53 Watts (96%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6770 1GB will be 110% faster than the GeForce GTX 950M overall, because of its higher bandwidth. (explain)

Radeon HD 6770 1GB		67200 MB/sec
GeForce GTX 950M		32000 MB/sec
	Difference: 35200 (110%)

Texel Rate

The GeForce GTX 950M should be a bit (approximately 2%) faster with regards to AF than the Radeon HD 6770 1GB. (explain)

GeForce GTX 950M		36560 Mtexels/sec
Radeon HD 6770 1GB		36000 Mtexels/sec
	Difference: 560 (2%)

Pixel Rate

The GeForce GTX 950M is a little bit (about 2%) more effective at FSAA than the Radeon HD 6770 1GB, and should be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 950M		14624 Mpixels/sec
Radeon HD 6770 1GB		14400 Mpixels/sec
	Difference: 224 (2%)

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 information (counted in megabytes per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the card's 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 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one 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 the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.