Radeon HD 6770 vs Radeon R7 260X

Intro

Compare all that to the Radeon R7 260X, which comes with core clock speeds of 1100 MHz on the GPU, and 1625 MHz on the 2048 MB of GDDR5 memory. It features 896 SPUs as well as 56 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

Radeon R7 260X		4381 points
Radeon HD 6770		1520 points
	Difference: 2861 (188%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6770		108 Watts
Radeon R7 260X		115 Watts
	Difference: 7 Watts (6%)

Memory Bandwidth

As far as performance goes, the Radeon R7 260X should theoretically be quite a bit better than the Radeon HD 6770 in general. (explain)

Radeon R7 260X		104000 MB/sec
Radeon HD 6770		67200 MB/sec
	Difference: 36800 (55%)

Texel Rate

The Radeon R7 260X should be quite a bit (more or less 71%) faster with regards to anisotropic filtering than the Radeon HD 6770. (explain)

Radeon R7 260X		61600 Mtexels/sec
Radeon HD 6770		36000 Mtexels/sec
	Difference: 25600 (71%)

Pixel Rate

The Radeon R7 260X should be much (approximately 22%) faster with regards to anti-aliasing than the Radeon HD 6770, and should be able to handle higher screen resolutions more effectively. (explain)

Radeon R7 260X		17600 Mpixels/sec
Radeon HD 6770		14400 Mpixels/sec
	Difference: 3200 (22%)

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 max amount of data (in units of MB per second) that can be moved across the external memory interface within a second. The number is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR 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 anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the graphics 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 most pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs 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 also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.