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Radeon HD 5770 vs Radeon R7 M260X

Intro

The Radeon HD 5770 makes use of a 40 nm design. AMD has clocked the core speed at 850 MHz. The GDDR5 RAM runs at a frequency of 1200 MHz on this particular model. It features 800(160x5) SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

Compare those specifications to the Radeon R7 M260X, which features clock speeds of 825 MHz on the GPU, and 1000 MHz on the 2048 MB of GDDR5 RAM. It features 384 SPUs as well as 24 TAUs and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 5770 will be 20% quicker than the Radeon R7 M260X in general, because of its greater bandwidth. (explain)

Radeon HD 5770 76800 MB/sec
Radeon R7 M260X 64000 MB/sec
Difference: 12800 (20%)

Texel Rate

The Radeon HD 5770 will be much (approximately 72%) faster with regards to anisotropic filtering than the Radeon R7 M260X. (explain)

Radeon HD 5770 34000 Mtexels/sec
Radeon R7 M260X 19800 Mtexels/sec
Difference: 14200 (72%)

Pixel Rate

The Radeon HD 5770 is quite a bit (approximately 106%) more effective at FSAA than the Radeon R7 M260X, and will be capable of handling higher resolutions without slowing down too much. (explain)

Radeon HD 5770 13600 Mpixels/sec
Radeon R7 M260X 6600 Mpixels/sec
Difference: 7000 (106%)

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

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Radeon HD 5770

Amazon.com

Check prices at:

Radeon R7 M260X

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Radeon HD 5770 Radeon R7 M260X
Manufacturer AMD AMD
Year October 13, 2009 June 2014
Code Name Juniper XT Opal
Memory 1024 MB 2048 MB
Core Speed 850 MHz 825 MHz
Memory Speed 4800 MHz 4000 MHz
Power (Max TDP) 108 watts (Unknown) watts
Bandwidth 76800 MB/sec 64000 MB/sec
Texel Rate 34000 Mtexels/sec 19800 Mtexels/sec
Pixel Rate 13600 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 800(160x5) 384
Texture Mapping Units 40 24
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1040 million (Unknown) million
Bus PCIe 2.1 x16 PCIe 3.0 x8
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be transported 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 RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video 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 number of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the core 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 fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 5770

Amazon.com

Check prices at:

Radeon R7 M260X

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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