Radeon HD 6770 vs Radeon R7 M260

Intro

Compare those specs to the Radeon R7 M260, which uses a 28 nm design. AMD has clocked the core frequency at 715 MHz. The DDR3 memory works at a frequency of 1000 MHz on this specific model. It features 384 SPUs along with 24 Texture Address Units and 8 Rasterization Operator Units.

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

Radeon HD 6770		1520 points
Radeon R7 M260		1120 points
	Difference: 400 (36%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon HD 6770 will be 320% quicker than the Radeon R7 M260 in general, because of its greater data rate. (explain)

Radeon HD 6770		67200 MB/sec
Radeon R7 M260		16000 MB/sec
	Difference: 51200 (320%)

Texel Rate

The Radeon HD 6770 is quite a bit (more or less 110%) faster with regards to AF than the Radeon R7 M260. (explain)

Radeon HD 6770		36000 Mtexels/sec
Radeon R7 M260		17160 Mtexels/sec
	Difference: 18840 (110%)

Pixel Rate

The Radeon HD 6770 should be a lot (approximately 152%) more effective at FSAA than the Radeon R7 M260, and capable of handling higher resolutions more effectively. (explain)

Radeon HD 6770		14400 Mpixels/sec
Radeon R7 M260		5720 Mpixels/sec
	Difference: 8680 (152%)

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 data (measured in MB per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total texture units by the core speed of the chip. The higher 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 that the graphics chip 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 Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.