GeForce GTX 960 vs Radeon HD 6770 1GB

Intro

Compare all that to the Radeon HD 6770 1GB, which comes with GPU core speed of 900 MHz, and 1024 MB of GDDR5 RAM running at 1050 MHz through a 128-bit bus. It also is made up of 800 Stream Processors, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6770 1GB		108 Watts
GeForce GTX 960		120 Watts
	Difference: 12 Watts (11%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 960 should perform a lot faster than the Radeon HD 6770 1GB overall. (explain)

GeForce GTX 960		112000 MB/sec
Radeon HD 6770 1GB		67200 MB/sec
	Difference: 44800 (67%)

Texel Rate

The GeForce GTX 960 is quite a bit (more or less 100%) better at anisotropic filtering than the Radeon HD 6770 1GB. (explain)

GeForce GTX 960		72128 Mtexels/sec
Radeon HD 6770 1GB		36000 Mtexels/sec
	Difference: 36128 (100%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 960 is a better choice, and very much so. (explain)

GeForce GTX 960		36064 Mpixels/sec
Radeon HD 6770 1GB		14400 Mpixels/sec
	Difference: 21664 (150%)

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 information (counted in megabytes per second) that can be transported over the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This figure 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 card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.