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Radeon HD 5770 vs Radeon R9 M295X

Intro

The Radeon HD 5770 makes use of a 40 nm design. AMD has set the core frequency at 850 MHz. The GDDR5 memory is set to run at a speed of 1200 MHz on this model. It features 800(160x5) SPUs along with 40 TAUs and 16 Rasterization Operator Units.

Compare those specifications to the Radeon R9 M295X, which has a clock speed of 750 MHz and a GDDR5 memory frequency of 1375 MHz. It also features a 256-bit bus, and uses a 28 nm design. It features 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5770 108 Watts
Radeon R9 M295X 125 Watts
Difference: 17 Watts (16%)

Memory Bandwidth

The Radeon R9 M295X, in theory, should perform quite a bit faster than the Radeon HD 5770 in general. (explain)

Radeon R9 M295X 176000 MB/sec
Radeon HD 5770 76800 MB/sec
Difference: 99200 (129%)

Texel Rate

The Radeon R9 M295X is much (more or less 182%) better at anisotropic filtering than the Radeon HD 5770. (explain)

Radeon R9 M295X 96000 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 62000 (182%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 M295X is superior to the Radeon HD 5770, by a large margin. (explain)

Radeon R9 M295X 24000 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 10400 (76%)

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 R9 M295X

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 R9 M295X
Manufacturer AMD AMD
Year October 13, 2009 2014
Code Name Juniper XT Unknown
Memory 1024 MB 4096 MB
Core Speed 850 MHz 750 MHz
Memory Speed 4800 MHz 5500 MHz
Power (Max TDP) 108 watts 125 watts
Bandwidth 76800 MB/sec 176000 MB/sec
Texel Rate 34000 Mtexels/sec 96000 Mtexels/sec
Pixel Rate 13600 Mpixels/sec 24000 Mpixels/sec
Unified Shaders 800(160x5) 2048
Texture Mapping Units 40 128
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 1040 million (Unknown) million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 5770

Amazon.com

Check prices at:

Radeon R9 M295X

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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